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NIMRUTH
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Message 5876 - Posted 27 Feb 2005 12:06:13 UTC

    Well, I`m running an OC`d sempron 2200+ @ 1710Mhz with 256Mb 2700DDR kingston on a Asrock k7s41gx...

    Setispeed : aprox. 4.25 Hrs/WU

    Einsteinspeed : aprox. 7.5 Hrs/WU

    Lookslike Sempron kicks P4 ass..

    Since I`m lookin` for an upgrade, what setup will be a major improvement ? In speed that is.. I was thinking that I`d be better off adding a "cheapo' Sempron 3100+ system, instead of going for 64bit AMD`s or the HT P4`s.. I mean how fast is a the top of the line anyway? I bet none go under the 4 Hr/wu for Einstein..

    In that light, I`d get the same speed if I got a cheapo asrock and a new sempron .. that would be a lot cheaper, right?
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    Message 5877 - Posted 27 Feb 2005 12:18:25 UTC

      --- - 2005-02-27 13:15:47 - Suspending computation and network activity - running CPU benchmarks
      --- - 2005-02-27 13:16:48 - Benchmark results:
      --- - 2005-02-27 13:16:48 - Number of CPUs: 1
      --- - 2005-02-27 13:16:48 - 1592 double precision MIPS (Whetstone) per CPU
      --- - 2005-02-27 13:16:48 - 3855 integer MIPS (Dhrystone) per CPU
      --- - 2005-02-27 13:16:48 - Finished CPU benchmarks


      is that any good?
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      Message 5880 - Posted 27 Feb 2005 12:31:17 UTC

        i got an athlon XP 2200+ at 1900 Mhz and 768 MB DDR at 266 Mhz on an Asrock K7VT2 and i takes about 3.5 hours for a Seti@Home and about 7 hours for an Einstein@Home WU.
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        Message 5881 - Posted 27 Feb 2005 12:54:37 UTC

          Just tried to crank it up to 210FSB, but it keeps freezing up just as windows is starting.. damn..

          I got it stable at 1800mhz, cpu running a bit hot.. 53-55 C ..Cpuidle keeps it in check, but this costs cycles..

          benchmark at 1800hz

          --- - 2005-02-27 13:50:47 - Benchmark results:
          --- - 2005-02-27 13:50:47 - Number of CPUs: 1
          --- - 2005-02-27 13:50:47 - 1679 double precision MIPS (Whetstone) per CPU
          --- - 2005-02-27 13:50:47 - 4044 integer MIPS (Dhrystone) per CPU
          --- - 2005-02-27 13:50:47 - Finished CPU benchmarks

          might even set it a bit lower, I`m running it at the limit it seems..
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          Message 5882 - Posted 27 Feb 2005 12:57:54 UTC

            I guess the first thing to do is get a better cooler.. or get me one of them watercooling kits.. maybe it will hold at 1900mhz..

            Right now I`m using the boxed sempron, so not really suitable for high oc`s
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            Message 5901 - Posted 27 Feb 2005 14:58:47 UTC

              Last modified: 27 Feb 2005 15:56:23 UTC

              HW: P4 2,67@2,7 / 512MB@135MHz / 1384 Whetstones / 4189 Dhrystones
              SW: WinXP Pro SP2 / BOINC 4.19 / Einstein 4.79

              WU duration: something around 8,75h
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              Profile Thierry Van Driessche
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              Message 5905 - Posted 27 Feb 2005 15:20:14 UTC

                Last modified: 27 Feb 2005 15:23:23 UTC

                P4 HT 2.4@2.88GHz, bus speed 960MHz, 512MB RAM@160MHz. CPU temp 44°C/111°F with room temp around the 20°C/68°F.

                Running on Win XP Pro SP2. Boinc v4.19 and Einstein 4.79.

                Crunching 2 WU's at the same time. CPU time per WU between 11:10 and 12:20h.

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                Message 5906 - Posted 27 Feb 2005 15:31:24 UTC

                  Extremly cheap ASRock AMD K7S41GX

                  Float: 1525.48
                  Integer: 3700.26

                  Einstein: 7:57:29
                  Seti: 4:11:17

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                  Message 5911 - Posted 27 Feb 2005 15:58:10 UTC

                    Last modified: 27 Feb 2005 15:58:22 UTC

                    AMD Barton XP2400-M @2.1ghz 512k L2
                    512mb PC3200 ram

                    E@H: 6 hr
                    S@H: 2.5-2.75 hr
                    P@H: 55 min


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                    Message 5915 - Posted 27 Feb 2005 16:03:22 UTC

                      as I suspected... even the cheapest AMD, the sempron 2200+ I have is kicking the butts off most Intel P4 systems.. now how funny is that ?

                      Are the semprons so good or are the P4`s so bad ?

                      now that I oc`d the 2200+ to 1800mhz, my time is 6:34 hrs per WU for einstein and 3.75 for S@H
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                      Message 5918 - Posted 27 Feb 2005 16:09:05 UTC - in response to Message 5915.

                        > as I suspected... even the cheapest AMD, the sempron 2200+ I have is kicking
                        > the butts off most Intel P4 systems.. now how funny is that ?
                        >
                        > Are the semprons so good or are the P4`s so bad ?
                        >
                        > now that I oc`d the 2200+ to 1800mhz, my time is 6:34 hrs per WU for einstein
                        > and 3.75 for S@H
                        >

                        I was always under the assumption that sempron's were worse than an Athlon XP. But my Athlon XP 2400+ takes almost 12 hours for a WU.
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                        Profile Thierry Van Driessche
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                        Message 5922 - Posted 27 Feb 2005 16:18:37 UTC - in response to Message 5915.

                          > Are the semprons so good or are the P4`s so bad ?
                          >
                          > now that I oc`d the 2200+ to 1800mhz, my time is 6:34 hrs per WU for einstein
                          > and 3.75 for S@H

                          Well, don't underestimate the P4 HT:

                          3.75h. for S@H means you are doing some 6.4WU's a day.

                          With my P4 HT 2.4@2.88GHz, I'm doing real time some 10 to 11 WU's a day ;)

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                          Message 5928 - Posted 27 Feb 2005 16:39:07 UTC - in response to Message 5918.


                            > >
                            >
                            > I was always under the assumption that sempron's were worse than an Athlon XP.
                            > But my Athlon XP 2400+ takes almost 12 hours for a WU.
                            >

                            Yes, Athlon XP's are normaly faster... and as i said i need 7 hours for a e@h WU with my 2200+... something doesnt seem to be alright with yours
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                            Message 5930 - Posted 27 Feb 2005 16:42:40 UTC - in response to Message 5928.

                              >
                              > > >
                              > >
                              > > I was always under the assumption that sempron's were worse than an
                              > Athlon XP.
                              > > But my Athlon XP 2400+ takes almost 12 hours for a WU.
                              > >
                              >
                              > Yes, Athlon XP's are normaly faster... and as i said i need 7 hours for a e@h
                              > WU with my 2200+... something doesnt seem to be alright with yours
                              >

                              Hmmm, well I have several 2400+ machines, and they are all around this speed. I wonder what it could be?
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                              Message 5931 - Posted 27 Feb 2005 16:48:04 UTC - in response to Message 5918.

                                > I was always under the assumption that sempron's were worse than an Athlon XP.
                                > But my Athlon XP 2400+ takes almost 12 hours for a WU.

                                That's because you are running Linux. The Einstein client performs very badly in Linux. In SETI, there is little, if any, difference between Windows and Linux.



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                                Neil

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                                Message 5933 - Posted 27 Feb 2005 16:54:24 UTC

                                  I'm running a XP3200, Asus A7N8X delux MB, 1.5 gig Corsair DDR 400 ram, nothing overclocked. My Einstein times are 5:50 to 6:00 hours, seti Boinc 2:30, Mfold 1.25 55 minutes average.
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                                  Message 5945 - Posted 27 Feb 2005 18:12:21 UTC

                                    AMD64 3200+ with Win ME: SETI 2.5 to 3 hrs, Einstein 4 to 5 hrs, Predictor 40 to 50 mins. LHC 4 seconds to 2 hrs.
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                                    Message 5946 - Posted 27 Feb 2005 18:13:46 UTC - in response to Message 5931.

                                      > > I was always under the assumption that sempron's were worse than an
                                      > Athlon XP.
                                      > > But my Athlon XP 2400+ takes almost 12 hours for a WU.
                                      >
                                      > That's because you are running Linux. The Einstein client performs very badly
                                      > in Linux. In SETI, there is little, if any, difference between Windows and
                                      > Linux.


                                      Why is this? You would think in Linux they could make it even better than for Windows.
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                                      Message 5956 - Posted 27 Feb 2005 19:13:12 UTC

                                        okay...

                                        after several crashes I have settled for 1710Mhz with a 190 FSB and a Vcore of 1.67 Volts..

                                        I cranked it up to 1900 Mhz for a few minutes at 210fsb.. it crashed.. at 60C it shut down

                                        I stand corrected for the Einstein WU time.. it takes me 7hrs36mins to complete.. But that`s at 1710mhz, once my watercooler is hooked up, I can run stable at 1850mhz or so, that would amount to aprox. 30mins speedup..


                                        Basicly, all indications are that AMD beats the Intel P4 at any test..

                                        I`ll never buy intel again..
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                                        Message 5980 - Posted 27 Feb 2005 20:48:20 UTC - in response to Message 5946.

                                          > Why is this? You would think in Linux they could make it even better than for
                                          > Windows.

                                          Compiling for Linux is a lot more complicated than compiling for Windows because of the far more diverse range of platforms the compiler can target for. They simply haven't found the "right" compiler optimisations yet. Actually, it's even more complicated than that because the libraries linked (either dynamically or statically) need to be optimised too to have any real effect.

                                          It's a shame the source code has not been released - otherwise some of the people out here with more time to spare may have cracked it by now. ;)


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                                          Message 6019 - Posted 27 Feb 2005 23:34:43 UTC - in response to Message 5980.


                                            > Compiling for Linux is a lot more complicated than compiling for Windows
                                            > because of the far more diverse range of platforms the compiler can target
                                            > for. They simply haven't found the "right" compiler optimisations yet.
                                            > Actually, it's even more complicated than that because the libraries linked
                                            > (either dynamically or statically) need to be optimised too to have any real
                                            > effect.

                                            This still seems odd though. Because if the code is well-written, it should perform roughly the same as it does on windows, since both programs are basically spending most of their time doing Floating Point calculations, which is a CPU problem not a compiler problem.

                                            I do agree they should release the source code. I think their arguments for not releasing it are kind of weak, so what if someone optimizes their client to get more points? Big deal, we are here to find gravity waves, not be the person with the most points!
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                                            Message 6034 - Posted 28 Feb 2005 0:59:20 UTC - in response to Message 6019.

                                              > This still seems odd though. Because if the code is well-written, it should
                                              > perform roughly the same as it does on windows, since both programs are
                                              > basically spending most of their time doing Floating Point calculations, which
                                              > is a CPU problem not a compiler problem.

                                              Well I did find some optimized BOINC clients at the following, via another thread:
                                              http://boinc.us.tt/
                                              http://www.pperry.f2s.com/downloads.htm

                                              Using these new clients, almost doubled all my benchmarks(notice my P4 3.06GHz HT matches very closely with my AMD Athlon 1.2 GHz)

                                              *Intel P4 3.06 GHz HT
                                              567.51 million ops/sec
                                              1331.32 million ops/sec

                                              1512.76 million ops/sec
                                              2344.25 million ops/sec

                                              *Intel P4 2.0 GHz
                                              543.37 million ops/sec
                                              1565.7 million ops/sec

                                              1096.71 million ops/sec
                                              2570 million ops/sec

                                              *Intel P4 1.5 GHz
                                              407.42 million ops/sec
                                              1158.59 million ops/sec

                                              829.67 million ops/sec
                                              1915.24 million ops/sec

                                              *Intel Celeron 2.70 GHz
                                              705.88 million ops/sec
                                              2246.1 million ops/sec

                                              1551.89 million ops/sec
                                              3232.92 million ops/sec

                                              *AMD XP 2400+
                                              1069 million ops/sec
                                              2462.66 million ops/sec

                                              2108.88 million ops/sec
                                              4195.66 million ops/sec

                                              *AMD XP 2000+
                                              891.09 million ops/sec
                                              2050.3 million ops/sec

                                              1754.39 million ops/sec
                                              3491.33 million ops/sec

                                              *AMD Athlon 1.3 GHz
                                              694.1 million ops/sec
                                              1541.09 million ops/sec

                                              1354.62 million ops/sec
                                              2706.22 million ops/sec

                                              *AMD Athlon 1.2 GHz
                                              608.25 million ops/sec
                                              1209.16 million ops/sec

                                              1242.12 million ops/sec
                                              2480.67 million ops/sec


                                              The only thing is, I doubt the optimized boinc client has much effect on the actually einstein stuff, since that is a separate program. But it just shows, an optimized einstein client for linux would greatly improve results more than likely.
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                                              john.mac
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                                              Message 6043 - Posted 28 Feb 2005 1:16:55 UTC - in response to Message 6019.


                                                >
                                                > This still seems odd though. Because if the code is well-written, it should
                                                > perform roughly the same as it does on windows, since both programs are
                                                > basically spending most of their time doing Floating Point calculations, which
                                                > is a CPU problem not a compiler problem.
                                                >
                                                I checked the GCC compiler manual about this; There a several compiler flags available for FPC, with no flags set you will loose speed for sure.


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                                                John,

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                                                Message 6052 - Posted 28 Feb 2005 2:02:12 UTC - in response to Message 6043.


                                                  > I checked the GCC compiler manual about this; There a several compiler flags
                                                  > available for FPC, with no flags set you will loose speed for sure.

                                                  Well when you compile with gcc you would think it would optimize as much as it can for the 686 arch. I realize none of us run that arch anymore, but at the same time, and therefore using the athlon-xp or pentium4 arch would give better FP results.

                                                  The only thing is though, for windows to work on different archs, there is no way it can be optimized for an athlon-xp or penitum4 either.

                                                  So I wonder what is really going on.
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                                                  Message 6054 - Posted 28 Feb 2005 2:33:04 UTC - in response to Message 6052.

                                                    > The only thing is though, for windows to work on different archs, there is no
                                                    > way it can be optimized for an athlon-xp or penitum4 either.

                                                    I have no indept knowledge about windows/intel but could imagine a mechanisme that at installation time code and Libs are just better selected and matched to the specific arch then is done with "general" linux distro's as most of the people run.
                                                    Further more the tight relation between Microsoft and Intel might have given them an advantage anyhow ??

                                                    Any specialist out here ??



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                                                    John,

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                                                    Message 6057 - Posted 28 Feb 2005 2:51:07 UTC

                                                      Running at my default speed for P4 2.8 (Prescott) and HT running,
                                                      I complete:

                                                      seti unit in about 3 hr 10 min
                                                      Einstein in about 12-13 hr
                                                      ProteinProdictor in about 2 hr
                                                      small LHC unit in abour an hr 10 min (w/ full # of turns)
                                                      large LHC unit in about 10-11 hr (w/ full # of turns)
                                                      and Climate, well, 4-5 weeks :Þ

                                                      With HT off, Seti takes about 1 hr 50 min, or 3 hr 40 min for 2 units
                                                      I have not tried disabling HT and running the others.

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                                                      Message 6079 - Posted 28 Feb 2005 5:30:31 UTC - in response to Message 6019.

                                                        > This still seems odd though. Because if the code is well-written, it should
                                                        > perform roughly the same as it does on windows, since both programs are
                                                        > basically spending most of their time doing Floating Point calculations, which
                                                        > is a CPU problem not a compiler problem.

                                                        Even the best-written code will turn into garbage if compiled with a poor compiler. Most of the calculations will be handled by code in the maths libraries so optimising those would provide the greatest improvement.


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                                                        Neil

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                                                        Message 6081 - Posted 28 Feb 2005 5:54:48 UTC

                                                          HT P4 3.2GHz, 1Gig RAM, WinXP - SP2, BOINC 4.24 :

                                                          -Whetstone 1359
                                                          -Drystone 1720

                                                          E@H: v4.79, 11 WU's, avg 12.3 hours
                                                          LHC: v4.64, 9 WU's, avg 1.5 hours
                                                          PP@H: v4.22, 74 WU's, avg 1.9 hours
                                                          S@H: v4.09, 31 WU's, avg 2.9 hours

                                                          Extra notes:
                                                          E@H avg time per WU with v4.72 was 11.8 hours
                                                          Also when comparing chips do not underestimate the advantage of HT.
                                                          ____________

                                                          team.

                                                          Catch your own wave...

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                                                          Message 6082 - Posted 28 Feb 2005 6:01:53 UTC - in response to Message 6052.

                                                            > Well when you compile with gcc you would think it would optimize as much as it
                                                            > can for the 686 arch. I realize none of us run that arch anymore, but at the
                                                            > same time, and therefore using the athlon-xp or pentium4 arch would give
                                                            > better FP results.
                                                            >
                                                            > The only thing is though, for windows to work on different archs, there is no
                                                            > way it can be optimized for an athlon-xp or penitum4 either.

                                                            What you are forgetting is that those are only sub-categories of the x86 architecture. GCC is designed to produce code for PowerPC, Sparc, etc., etc.....

                                                            There are also trade-offs to consider. Sometimes, optimising for speed will produce larger executables - not always desireable. The default optimisations in GCC are a reasonable compromise to ensure stable executeables of acceptable size and with acceptable speed in most situations. It is the programmers prerogative to adjust those compromises for a given situation. A rich set of compiler flags is available for that purpose.

                                                            However, as I touched upon previously, another factor is the optimisation of the library routines with which the executable is linked. Linking can be done either statically or dynamically.

                                                            With dynamic linking, library routines are provided by the end-users system and loaded into memory as and when required and so the programmer has no control over them. The advantages of dynamic linking are a smaller executable and bug-fixes/enhancements to the libraries will automatically be available to the executable. It does mean, though, that the end-user will often need to have a particular version of the libraries available.

                                                            With static linking, the library routines are built in to the executable at compile time. This does produce much larger executables and requires a re-compile if anything changes in the libraries. In return, it gives the programmer more control over the end result and removes any dependancy requirements on the end-users system.

                                                            To achieve optimum performance in the Einstein app, it would be necessary to re-compile the libraries used with optimisation for each of the platforms supported and to also compile the app with similar optimisations and then to link statically. Finding the best optimisations for each supported architecture could, in itself, take a great deal of time and experimentation.

                                                            Releasing the source code would allow users to do this experimentation and produce optimised apps for a number of architectures as has been the case with the BOINC client. In fact, I always compile my own BOINC client and will, when I get around to it, have another go at the SETI app. My earlier attempts failed to get that to compile at all due to errors in the source code tarball.


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                                                            Neil

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                                                            Message 6087 - Posted 28 Feb 2005 7:21:15 UTC - in response to Message 5881.

                                                              > Well, I`m running an OC`d sempron 2200+ @ 1710Mhz with 256Mb 2700DDR kingston
                                                              > on a Asrock k7s41gx...
                                                              >
                                                              > Just tried to crank it up to 210FSB, but it keeps freezing up just as windows
                                                              > is starting.. damn..
                                                              >
                                                              > I got it stable at 1800mhz, cpu running a bit hot.. 53-55 C ..Cpuidle keeps it
                                                              > in check, but this costs cycles..
                                                              >
                                                              > benchmark at 1800hz
                                                              >
                                                              > --- - 2005-02-27 13:50:47 - Benchmark results:
                                                              > --- - 2005-02-27 13:50:47 - Number of CPUs: 1
                                                              > --- - 2005-02-27 13:50:47 - 1679 double precision MIPS (Whetstone) per CPU
                                                              > --- - 2005-02-27 13:50:47 - 4044 integer MIPS (Dhrystone) per CPU
                                                              > --- - 2005-02-27 13:50:47 - Finished CPU benchmarks
                                                              >
                                                              > might even set it a bit lower, I`m running it at the limit it seems..
                                                              >

                                                              I don't think the CPU is the limiting factor. However your PC2700 RAM might be unless you are able to run it non-sync with the FSB. I can't look at it right now but I've got a Sempron 2200 box at home with an Asrock K7S41 but the non-GX version. The K7S41GX is rated to DDR333 whilst the K7S41 is rated to DDR400. The non-GX version is slightly dearer than the GX but still very much a budget board. I'm absolutely sure that I've got the home system running at 200mHz FSB but using PC3200 RAM.

                                                              The only difference between the K7S41GX and the K7S41 seems to be the onboard graphics. Are you using that or an external graphics card? In any case I think the problem you are having is more likely to be related to the lack of a PCI/AGP lock on these boards. It's not really documented in the motherboard manual (same for both MBs) but at certain FSBs the PCI and AGP busses will be in spec at 33 and 66 mHz and at other values of FSB they will be quite out of spec. When I was playing around with mine, I'm sure that it was locking up at 180-190mHz and OK at 200mHz or something like that. It was explained to me at the time that choosing FSBs of 166 or 200 would have the PCI/AGP busses close to spec whilst mid-range values like 180-190 would be quite out of spec and give problems. Have you tried 200mHz?

                                                              Also, using improved air cooling is a lot easier than water cooling. Just lapping the heatsink, using Arctic Silver and putting on a bigger faster fan can give you much better cooling. My cpu temp as measured by motherboard monitor is around 55C (summer - no aircon) and seems to be quite OK. It has been into the low 60s in a heatwave without locking up whilst running Seti. I try to keep below 55C and I'm sure it's OK at that level.

                                                              Cheers,
                                                              Gary.
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                                                              Gary.

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                                                              Message 6097 - Posted 28 Feb 2005 9:48:05 UTC

                                                                Intel Prescott 3.2GHz HT on. 1GB PC3200 RAM. Running XP SP2.
                                                                Benchmarks using BOINC Manager V4.24 (real benchmarking)
                                                                Measured floating point speed 1339.55 million ops/sec
                                                                Measured integer speed 1709.98 million ops/sec

                                                                Einstein WU's take between 38,000 and 42,000 seconds each.
                                                                LHC million rotation WU's 45,000 to 47,000 seconds
                                                                Protein Pred 5,700 to 8,000 seconds
                                                                Seti 8,000 to 16,000 seconds
                                                                Climate 2.5 to 2.8 sec /time step

                                                                ____________
                                                                Paul

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                                                                Message 6119 - Posted 28 Feb 2005 12:38:00 UTC

                                                                  I don't think the CPU is the limiting factor. However your PC2700 RAM might be unless you are able to run it non-sync with the FSB. I can't look at it right now but I've got a Sempron 2200 box at home with an Asrock K7S41 but the non-GX version. The K7S41GX is rated to DDR333 whilst the K7S41 is rated to DDR400. The non-GX version is slightly dearer than the GX but still very much a budget board. I'm absolutely sure that I've got the home system running at 200mHz FSB but using PC3200 RAM.

                                                                  The only difference between the K7S41GX and the K7S41 seems to be the onboard graphics. Are you using that or an external graphics card? In any case I think the problem you are having is more likely to be related to the lack of a PCI/AGP lock on these boards. It's not really documented in the motherboard manual (same for both MBs) but at certain FSBs the PCI and AGP busses will be in spec at 33 and 66 mHz and at other values of FSB they will be quite out of spec. When I was playing around with mine, I'm sure that it was locking up at 180-190mHz and OK at 200mHz or something like that. It was explained to me at the time that choosing FSBs of 166 or 200 would have the PCI/AGP busses close to spec whilst mid-range values like 180-190 would be quite out of spec and give problems. Have you tried 200mHz?

                                                                  Also, using improved air cooling is a lot easier than water cooling. Just lapping the heatsink, using Arctic Silver and putting on a bigger faster fan can give you much better cooling. My cpu temp as measured by motherboard monitor is around 55C (summer - no aircon) and seems to be quite OK. It has been into the low 60s in a heatwave without locking up whilst running Seti. I try to keep below 55C and I'm sure it's OK at that level

                                                                  Gary,

                                                                  you are right, the diff between the gx and non gx version of the asrock MB is the fsb of 333 and 400mhz. However, if you raise the fsb to 200mhz, it will run at 400Mhz for the DDR, even if it is a pc2700 memorycard. The kingston seems to have no problem with that. If I try to run it at 210fsb, the system locks up just after the 'welcome" screen of windows XP. I guess It has a big deal to doi with the DDR ability to handle the 400+ fsb settings on a full load. It runs okay at 200mhz and CPU-Z tells me my mem is running at 400mhz at that setting. Now, the problem is that I get a sharp rise in temp as soon as boinc starts computing. CPU-Idle is kicking in all the time, it is set at 55C max. I do not dare to go above that for long crunching sessions. Sooo, the higher Clockspeed is surely faster, but the tempmanagers slow it down. Therefore I choose the 190FSB, it keeps the temp around 54C, without the loss of cycles involved with colling the cpu. it is faster.. the boinc does not count the realtime cpu usage, but the actual time the cpu was used for calculations.. the cpu idle time at higher freq is lost time, and therefore slower..

                                                                  I`ll go get me some of that silverpaste to get a better thermal contact, maybe it will help..
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                                                                  Message 6126 - Posted 28 Feb 2005 13:39:36 UTC - in response to Message 6119.


                                                                    > I`ll go get me some of that silverpaste to get a better thermal contact, maybe
                                                                    > it will help..
                                                                    >

                                                                    From quite a lot of experimenting here is my assessment of your most important cooling options.

                                                                    1. Make sure you have a good supply of cool air into your case. You don't get much gain from increased airflow over the heatsink if the air is already too warm.

                                                                    2. Make sure you tidy up your cables so as not to impede the airflow.

                                                                    3. Get a 60 to 80mm adapter and use an 80mm good quality fan running at about 4000 to 4500 rpm to cool the cpu. That speed seems to give about the best performance to fan noise ratio. These three will get you about 6-9C cooler running under full load. You will do a little better if you use one of the top cpu coolers but these are quite expensive.

                                                                    4. Get a small flat sheet of glass and buy some 800, 1200, 1600 grit wetordry emery paper (with plenty of water) and polish the base of a standard heatsink to make it as smooth as possible. Clean and dry with isopropyl alcohol for a grease free finish. Clean any previous thermal pad from the CPU chip. Polish surface with Isopropyl alcohol. Apply arctic silver 5 very sparingly as directed to both the top of the cpu chip and the HSF base. All this takes quite a bit of time and care and in my experience you will get a 1-3C improvement over the standard thermal pad if you are lucky. However it all helps.

                                                                    5. Do not get overly concerned about the sudden increase in temperature when you start up EAH. Full load temps between 50 and 55C are not a problem. I won't normally go over 60 but here's what happened to me about a year ago. I live in Brisbane Australia which can have some very hot summer days. I was in New Zealand at the time and it was a Friday. I had about 8 machines running in an office which gets air-conditioned when the secretary arrives. She had not long arrived at work and extreme temps were predicted for that day. She had two young children at a primary school near her house. The school rang all the parents and said they were sending children home because of overheated classrooms and no air conditioning. The secretary, concerned for her children simply shut the office, turned of the aircon and went home. When I arrived back from New Zealand on the Sunday, 6 of the 8 machines were still running with CPU temps just under 70. It was still a very hot day. The two that had shut down were quite OK. They had a BIOS shutdown temp set at 75C which had been triggered. I still have all those machines running fine with no problems a year later. AMD CPUs are quite tolerant to temps around 60.

                                                                    The secret is to keep the ambient air inside the case as cool as possible and let a beefed up CPU fan do its job. If you can get your setup to run at 200 FSB and temps around 55 - 58C you will be fine. Just don't skimp on your case cooling and CPU fans.

                                                                    Cheers,
                                                                    Gary.
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                                                                    Gary.

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                                                                    Message 6371 - Posted 1 Mar 2005 11:41:33 UTC

                                                                      I run about 48 to 59 depending on WU and OC settings. 200 - 210MHz FSB. That's with stock cooling and 4 case fans. (3 in and 1 exhaust) That 60 to 80mm converter sounds good though, wonder if there would be any advantage to mounting an 80 mm over a 60 mm fan for a forced air effect.
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                                                                      Message 6386 - Posted 1 Mar 2005 13:50:15 UTC - in response to Message 6371.

                                                                        > I run about 48 to 59 depending on WU and OC settings. 200 - 210MHz FSB. That's
                                                                        > with stock cooling and 4 case fans. (3 in and 1 exhaust) That 60 to 80mm
                                                                        > converter sounds good though, wonder if there would be any advantage to
                                                                        > mounting an 80 mm over a 60 mm fan for a forced air effect.

                                                                        No, there's not. I have actually tried it. It performs badly :). There is actually some scientific reason for this to do with air pressure that I read at the time I was experimenting. Can't remember the details.

                                                                        Your best result will be with a 4500rpm 80mm fan on top of an 80/60 mm converter. You actually do get good results from fast 60mm fans (5800rpm) but the fan noise is really starting to be annoying.

                                                                        As far as case fans go, I've had better results from blowing hot air out the top back and not worring too much about about blowing in. It doesn't really matter where the cool air leaks in as long as the hottest air is being forcefully extracted. If you have more fans blowing in and building up positive pressure you may loose some of the cool air to case leaks.

                                                                        CPU temps in the range 48 to 59 sound quite OK to me. Why don't you just leave everything as it is and just replace the CPU fan? You should get at least 5C temp drop or more. What is your ambient room temperature at the moment?
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                                                                        Message 6399 - Posted 1 Mar 2005 14:55:03 UTC

                                                                          Last modified: 1 Mar 2005 15:51:02 UTC

                                                                          Hi -
                                                                          I'm running a new AMD Sempron 3100 - here's the info from my machine profile.

                                                                          CPU type AuthenticAMD AMD Sempron(tm) Processor 3100+
                                                                          Operating System Microsoft Windows XP Home Edition, Service Pack 2, (05.01.2600.00)
                                                                          Memory 510.73 MB
                                                                          Measured floating point speed 1670.89 million ops/sec
                                                                          Measured integer speed 4574.31 million ops/sec

                                                                          My time per work unit is about 7.5 hours.



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                                                                          Message 6408 - Posted 1 Mar 2005 16:30:29 UTC - in response to Message 6399.

                                                                            > Hi -
                                                                            > I'm running a new AMD Sempron 3100 - here's the info from my machine profile.
                                                                            >
                                                                            >
                                                                            > CPU type AuthenticAMD AMD Sempron(tm) Processor 3100+
                                                                            > Operating System Microsoft Windows XP Home Edition, Service Pack 2,
                                                                            > (05.01.2600.00)
                                                                            > Memory 510.73 MB
                                                                            > Measured floating point speed 1670.89 million ops/sec
                                                                            > Measured integer speed 4574.31 million ops/sec
                                                                            >
                                                                            > My time per work unit is about 7.5 hours.
                                                                            >
                                                                            >
                                                                            Hmm. My Athlon XP 2600 does much better:
                                                                            Measured floating point speed 1850.6 million ops/sec
                                                                            Measured integer speed 4442.28 million ops/sec
                                                                            About 6 hrs 20+ mins per WU.
                                                                            ____________


                                                                            Seti Classic Final Total: 11446 WU.

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                                                                            Message 6462 - Posted 1 Mar 2005 20:00:40 UTC - in response to Message 6408.

                                                                              > Hmm. My Athlon XP 2600 does much better:
                                                                              > Measured floating point speed 1850.6 million ops/sec
                                                                              > Measured integer speed 4442.28 million ops/sec
                                                                              > About 6 hrs 20+ mins per WU.

                                                                              AMD model numbers are very confusing in a situation like this because they try to combine cache size, bus speed and processor speed in one number. A Sempron only has 256KB of L2 cache, but the socket 754 version has the DDR memory control on chip reducing memory latency and only runs at 1.8Ghz. An XP 2600+ is either 2.133Ghz, 512KB L2 cache with a 133Mhz(266DDR) or 2.133Ghz, 256KB L2 cache with a 166Mhz(333MhzDDR) bus. Those numbers seems reasonable for a 1.8Ghz AMD chip since lower latency/faster memory access isn't as important for E@H.

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                                                                              Message 6478 - Posted 1 Mar 2005 21:02:21 UTC

                                                                                3.2 GHz P4 HT, 2GB DDR2 SDRAM @ 533MHz, Win XP SP2

                                                                                CPU's: 2
                                                                                Whet: 1377
                                                                                Dhry: 2613

                                                                                My times are skewed because I typically play Battle for Middle Earth while SETI and Einstein are running (database work keeping me from activating my transferred account for SETI). SETI has been finishing under 4 hours on this comp. With my interruptions, Einstein is finishing in about 10-12 hours.

                                                                                I'm no expert so I must ask: how does it stack up and could it do better?
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                                                                                Message 6482 - Posted 1 Mar 2005 21:30:20 UTC - in response to Message 5911.

                                                                                  AMD Barton XP2400-M @2.09ghz 512k L2
                                                                                  512mb PC3200 ram
                                                                                  Whet: 1960.26
                                                                                  Dhry: 4710.78

                                                                                  E@H: 6 hr
                                                                                  S@H: 2.5-2.75 hr.
                                                                                  P@H: 55 min.
                                                                                  CPDN: a really long time


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                                                                                  *I still know CRAP when I see it.

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                                                                                  Message 6499 - Posted 1 Mar 2005 23:30:25 UTC

                                                                                    The Athlon numeric co-processor is twice as fast as the P4 co-processor, clock cycle for clock cycle. Also, the higher speed P4s will clock throttle under 100% CPU load unles they have very good cooling.

                                                                                    My Athlon XP 2700:

                                                                                    FPU: 2025.32 million ops/sec
                                                                                    Integer: 4919.23 million ops/sec

                                                                                    Time for a WU: 5:30 to 6:00 hours


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                                                                                    Message 6512 - Posted 2 Mar 2005 0:14:08 UTC - in response to Message 6478.

                                                                                      > 3.2 GHz P4 HT, 2GB DDR2 SDRAM @ 533MHz, Win XP SP2
                                                                                      >
                                                                                      > CPU's: 2
                                                                                      > Whet: 1377
                                                                                      > Dhry: 2613
                                                                                      >
                                                                                      > My times are skewed because I typically play Battle for Middle Earth while
                                                                                      > SETI and Einstein are running (database work keeping me from activating my
                                                                                      > transferred account for SETI). SETI has been finishing under 4 hours on this
                                                                                      > comp. With my interruptions, Einstein is finishing in about 10-12 hours.
                                                                                      >
                                                                                      > I'm no expert so I must ask: how does it stack up and could it do better?
                                                                                      >

                                                                                      I have a similar setup but only half the RAM. Times are fairly consistent though, so RAM seems to have only a minor effect on processing power. Or at least 1GB is no constraint to processing speed.
                                                                                      ____________

                                                                                      team.

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                                                                                      Message 6545 - Posted 2 Mar 2005 2:35:35 UTC - in response to Message 6499.

                                                                                        Last modified: 2 Mar 2005 2:36:54 UTC

                                                                                        > The Athlon numeric co-processor is twice as fast as the P4 co-processor, clock
                                                                                        > cycle for clock cycle. Also, the higher speed P4s will clock throttle under
                                                                                        > 100% CPU load unles they have very good cooling.
                                                                                        >
                                                                                        I'm not so sure about that Evan...I've optimized seti@home client so I have some knowledge here.

                                                                                        It seems to me that the design of the Intel FPU makes it practically impossible to write totally optimal code in C, and only partly so in Assembly language.

                                                                                        However, as has been shown, Intel can get more performance if it does Hypterthreading (ie it can output more work units in a 24 hour period). It is still only one CPU core, but pretending to be two. The reason is all of the various rules required by the Intel FPU to keep it chugging along.

                                                                                        Two problems with Intel are latency and throughput.

                                                                                        Example:

                                                                                        Throughput - You can't execute a floating point addition more often than every other CPU cycle. Same for a multiply, or most other operations.

                                                                                        Latency - A Pentium IV floating point multiply will finish computing 5 cycles after it begins. If the next instruction in the program tries to make use of this multipy result, it has to twiddle its thumbs for 4 cycles to act on the result.

                                                                                        This causes problems because many code sequences involve maybe 5 multiplies followed by 4 additions on the same set of numbers. This isn't so easy to interleave (multiply | add | multiply | add | etc.).

                                                                                        In truth if everything could be sequenced correctly the FPU in an intel can begin one and complete another FPU instruction every CPU cycle. Even with the pipelining of AMD and multiple execution units I think one completion every cycle isn't possible there.

                                                                                        Hyperthreading comes closer to achieving this on Intel as the CPU scheduler has two different program threads to work with, and can find those alternating instructions and latency delayed instructions can be dealt with. So while thread #1 is waiting for the results of a multipy, thread #2 can begin an addition or two.

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                                                                                        Message 6573 - Posted 2 Mar 2005 6:49:08 UTC

                                                                                          What you say seems to support my contention. Also, the real world benchmarks support it as well. I haven't programmed the P4 in assembler so I will take your word for it. The P4 does have a very long pipeline and if the execution prediction fails the flush takes a long time. Of course, that is where hand optimization comes in.

                                                                                          The clock throttling problem is very real. I sell computers for a living and I see machines from various name brand manufacturers that have suboptimal cooling. When pushed it is amazing how slow a P4 can be. It will cut the clock rate in half, at least, in order to maintain safe temperatures.
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                                                                                          Message 6581 - Posted 2 Mar 2005 8:35:51 UTC

                                                                                            Last modified: 2 Mar 2005 8:37:34 UTC

                                                                                            When I started in 1999 I got a Proteva with the PIII 500 when it 1st came out and then started running seti classic in 2000 and after a year of the slow times (14hrs to 18hrs) I bought a Systemax with a AMD 1700+ XP with 512.

                                                                                            Then for some reason when the wife made me go store shopping I picked up a HP with XP and a 2.5 P4 w/512ram.

                                                                                            It ran seti classics at ave. of 4:20 and Einsteins at ave. of 9.5hrs.

                                                                                            Then last year about this time I got a Systemax with XP Pro the AMD 64 3200+ and 1gig ram and a 200gig HD.

                                                                                            It has a seti classic ave. of 2:20 and an Eisnstein ave. of 5:45


                                                                                            AMD is the one for me.

                                                                                            And XP Pro (Bill Gates is my neighbor : )






                                                                                            -Samson Ben Yoseph-
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                                                                                            Message 6618 - Posted 2 Mar 2005 11:53:05 UTC - in response to Message 6581.

                                                                                              JAHMAGIC,

                                                                                              Just wondering, do you work at Fermilab?
                                                                                              ____________
                                                                                              such things just should not be writ so please destroy this if you wish to live 'tis better in ignorance to dwell than to go screaming into the abyss worse than hell

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                                                                                              Message 6663 - Posted 2 Mar 2005 16:02:17 UTC - in response to Message 5918.

                                                                                                Last modified: 2 Mar 2005 16:03:21 UTC

                                                                                                > > as I suspected... even the cheapest AMD, the sempron 2200+ I have is
                                                                                                > kicking
                                                                                                > > the butts off most Intel P4 systems.. now how funny is that ?
                                                                                                > >
                                                                                                > > Are the semprons so good or are the P4`s so bad ?
                                                                                                > >
                                                                                                > > now that I oc`d the 2200+ to 1800mhz, my time is 6:34 hrs per WU for
                                                                                                > einstein
                                                                                                > > and 3.75 for S@H
                                                                                                > >
                                                                                                >
                                                                                                > I was always under the assumption that sempron's were worse than an Athlon XP.
                                                                                                > But my Athlon XP 2400+ takes almost 12 hours for a WU.
                                                                                                >

                                                                                                Something else is holding your system back. My Athlon XP 1900+ takes about 8 hours for a E@H WU and about 3 hr 45 min to 3 hr 50 min typically for a SETI WU.

                                                                                                Are you running Linux on it or something?

                                                                                                BTW, my CPU wasn't OCed, so is running at 1.6 GHz
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                                                                                                Message 6666 - Posted 2 Mar 2005 16:24:23 UTC

                                                                                                  Duron 1100/ASUS A7V333/128 RAM PC2700 SAMSUNG
                                                                                                  E@H WU - little less than 12 hours.
                                                                                                  SETI@home Classic - 5 hours 30 minutes per WU (average).
                                                                                                  ____________

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                                                                                                  Message 6676 - Posted 2 Mar 2005 17:15:17 UTC

                                                                                                    Athlon Mobile 2600+ @ 2400 mhz / Abit NF7-S rev 2
                                                                                                    E@H = 5hrs 20min
                                                                                                    ____________

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                                                                                                    Message 6693 - Posted 2 Mar 2005 19:20:26 UTC

                                                                                                      Last modified: 2 Mar 2005 19:28:48 UTC

                                                                                                      [oops]

                                                                                                      Ah, this might work:
                                                                                                      [pre]
                                                                                                      AppName Min Max Avg WU Count
                                                                                                      mfoldB125 4059.515625 9951.40625 7238.0598221144 956
                                                                                                      mfoldB120 4.2589850 15765.953125 7100.4262898567 382
                                                                                                      setiathome 22.90625 30884.96875 13010.96382848 2641
                                                                                                      einstein 28794.828125 51789.125 39240.910247093 43
                                                                                                      sixtrack 2.8125 63085.390625 2671.8234310456 3115
                                                                                                      hadsm3 1793074.375 2325737.25 2041320.1964286 14
                                                                                                      [pre]

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                                                                                                      Message 6697 - Posted 2 Mar 2005 19:32:59 UTC - in response to Message 6054.

                                                                                                        > I have no indept knowledge about windows/intel but could imagine a mechanisme
                                                                                                        > that at installation time code and Libs are just better selected and matched
                                                                                                        > to the specific arch

                                                                                                        I don't believe this. The dlls are all the same for all x86 archs.

                                                                                                        > then is done with "general" linux distro's as most of the
                                                                                                        > people run.

                                                                                                        Like on Windows the general Linux distros have general 586/686 optimized packages and libs. On Gentoo however the system is completely compiled on installation time and can and is in general be tuned at last for the processor and mostly with more optimization flags on.

                                                                                                        regards

                                                                                                        martin

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                                                                                                        Message 6790 - Posted 3 Mar 2005 11:01:48 UTC - in response to Message 6618.

                                                                                                          Last modified: 3 Mar 2005 11:10:29 UTC

                                                                                                          > JAHMAGIC,
                                                                                                          >
                                                                                                          > Just wondering, do you work at Fermilab?
                                                                                                          >




                                                                                                          Yes, but I have been retired for about 8 years now and that was over 10 years ago.


                                                                                                          Back when Fermilab's founder, the late physicist Robert Wilson was still alive.

                                                                                                          (he is still there at the complex)

                                                                                                          It is quite a place......6,800-acre complex that looks like a National Park!


                                                                                                          Of course with particle accelerators under the ground.


                                                                                                          http://www.fnal.gov/



                                                                                                          I imagine since you are at Illinois Institute of Technology that you may have been to Batavia.




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                                                                                                          Profile Jordan Wilberding
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                                                                                                          Message 6809 - Posted 3 Mar 2005 14:23:15 UTC - in response to Message 6790.


                                                                                                            > I imagine since you are at Illinois Institute of Technology that you may have
                                                                                                            > been to Batavia.

                                                                                                            I actually have a co-op there every other semester. It definately is a very cool place. I just hope they get the new linear accelerator they are vying for, so they don't die out after the LHC gets completed at CERN.



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                                                                                                            such things just should not be writ so please destroy this if you wish to live 'tis better in ignorance to dwell than to go screaming into the abyss worse than hell

                                                                                                            zulfy26
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                                                                                                            Message 6902 - Posted 3 Mar 2005 22:33:15 UTC - in response to Message 5876.

                                                                                                              P4 1.6 Ghz 15 hours per WU with between 75-95 claimed credit.

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                                                                                                              Message 7452 - Posted 6 Mar 2005 22:18:41 UTC

                                                                                                                AMD Athlon XP-M 2600+ 6h45min per WU
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                                                                                                                Steve-O
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                                                                                                                Message 7480 - Posted 7 Mar 2005 1:40:50 UTC - in response to Message 7452.

                                                                                                                  HP Pavillion a220n
                                                                                                                  Athlon XP 2600+ at 2.083 MHz, locked.
                                                                                                                  Asus A7N8X-VM 512MB SDRAM

                                                                                                                  wu times=6:20 to 6:45.

                                                                                                                  For only 2.083, I think it's a great time.


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                                                                                                                  Message 7493 - Posted 7 Mar 2005 3:40:12 UTC

                                                                                                                    I just started einstein@home this weekend as seti@home seems to be searching for electricians as opposed to aliens :D

                                                                                                                    I haven't used boinc nearly long enough yet to compile good averages.
                                                                                                                    Here's what I have come up with so far...

                                                                                                                    AMD Athlon XP 2600+ ( @ 2.25 GHz ) Linux
                                                                                                                    seti@home: ~02h:30m
                                                                                                                    einstein@home: ~10h:20m

                                                                                                                    -----------------------------------
                                                                                                                    AMD Sempron 2200+ (1.5 GHz) Linux
                                                                                                                    seti@home: ~04h:40m
                                                                                                                    einstein@home: ~15h:10m

                                                                                                                    -----------------------------------
                                                                                                                    AMD Athlon 2800+ (2.0 GHz) Linux
                                                                                                                    seti@home: ~03h:40m
                                                                                                                    einstein@home: ~10h:50m

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium 4 (1.80 GHz) Linux
                                                                                                                    seti@home ~05h:30m
                                                                                                                    einstein@home ~17h:05m

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium 4 (1.60 GHz) Linux
                                                                                                                    seti@home ~07h:00m
                                                                                                                    einstein@home ~19h:24m

                                                                                                                    -----------------------------------
                                                                                                                    AMD Athlon K6/2 (700 MHz) Linux
                                                                                                                    seti@home ~10h:05m
                                                                                                                    einstein@home ~24h:10m

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium 4 (1.40 GHz) Linux
                                                                                                                    seti@home ~07h:45m
                                                                                                                    einstein@home ~23h:05m

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium 4 (1.70 Ghz) Linux
                                                                                                                    seti@home ~06h:05m
                                                                                                                    einstein@home ~18h:10m

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium III (450 MHz) Linux
                                                                                                                    seti@home ~15h:25m
                                                                                                                    einstein@home ~48h:03m (estimated)

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium III Coppermine (1.0 GHz) Linux
                                                                                                                    seti@home ~09h:05m
                                                                                                                    einstein@home ~24h:16m (estimated)

                                                                                                                    -----------------------------------
                                                                                                                    AMD K6 3D (450 MHz) Linux
                                                                                                                    seti@home ~10h:42m (One very small WU)
                                                                                                                    einstein@home ~102h:19m (estimated)

                                                                                                                    -----------------------------------
                                                                                                                    Intel Pentium III (866 MHz)
                                                                                                                    seti@home ~09h:15m
                                                                                                                    einstein@home ~39h:50m (estimated)



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                                                                                                                    Message 7537 - Posted 7 Mar 2005 13:20:53 UTC - in response to Message 7493.

                                                                                                                      Last modified: 7 Mar 2005 13:21:23 UTC

                                                                                                                      > I just started einstein@home this weekend as seti@home seems to be searching
                                                                                                                      > for electricians as opposed to aliens :D
                                                                                                                      >
                                                                                                                      > I haven't used boinc nearly long enough yet to compile good averages.
                                                                                                                      > Here's what I have come up with so far...
                                                                                                                      >
                                                                                                                      I see most of your systems are running under Linux. Linux does Einstein VERY poorly. Check out this thread as a way to possibly boost your throughput:

                                                                                                                      http://einstein.phys.uwm.edu/forum_thread.php?id=1208
                                                                                                                      ____________


                                                                                                                      Seti Classic Final Total: 11446 WU.

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                                                                                                                      Message 7567 - Posted 7 Mar 2005 16:52:01 UTC

                                                                                                                        Same AMD XP 2400+ computer takes 22000 seconds / packet with windows 2000 and 38000 seconds with linux. Even worst thing is that einstein gives zero credit at half of all ready made linux packets (not overclocked). So einstein program has been removed from all of my linux computers until...

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                                                                                                                        Message 7615 - Posted 7 Mar 2005 21:49:03 UTC - in response to Message 7567.

                                                                                                                          Last modified: 7 Mar 2005 22:01:30 UTC

                                                                                                                          <strong>AMD Athlon64 3700+ (Win2000)</strong>
                                                                                                                          FPU : 2267.72 million ops/sec
                                                                                                                          INT: 6284.15 million ops/sec
                                                                                                                          Avg : 18.9k sec

                                                                                                                          <strong>AMD Athlon64 3200+ (Linux)</strong>
                                                                                                                          FPU : 2134.64 million ops/sec
                                                                                                                          INT : 4893.04 million ops/sec
                                                                                                                          Avg : 38.7k sec

                                                                                                                          <strong>AMD Athlon64 3000+ (Linux)</strong>
                                                                                                                          FPU : 2138 million ops/sec
                                                                                                                          INT : 4878.45 million ops/sec
                                                                                                                          Avg : 37.7k sec

                                                                                                                          <strong>AMD AthlonXP 3000+ (Win2000)</strong>
                                                                                                                          FPU : 2002.54 million ops/sec
                                                                                                                          INT : 4820.02 million ops/sec
                                                                                                                          Avg : 21.6k sec

                                                                                                                          <strong>AMD AthlonXP 3000+ (Linux)</strong>
                                                                                                                          FPU : 2257.9 million ops/sec
                                                                                                                          INT : 4770.85 million ops/sec
                                                                                                                          Avg : 35.8k sec

                                                                                                                          <strong>AMD AthlonXP 2800+ (Linux)</strong>
                                                                                                                          FPU : 2191.91 million ops/sec
                                                                                                                          INT : 4340.49 million ops/sec
                                                                                                                          Avg : 36.4k sec

                                                                                                                          <strong>Dual AMD AthlonMP 2800+ (Linux)</strong>
                                                                                                                          FPU : 2252.69 million ops/sec
                                                                                                                          INT : 4458.22 million ops/sec
                                                                                                                          Avg : 35.8k sec

                                                                                                                          <strong>AMD AthlonXP 2700+ (Linux)</strong>
                                                                                                                          FPU : 2269.82 million ops/sec
                                                                                                                          INT : 4813.92 million ops/sec
                                                                                                                          Avg : 35.7k sec

                                                                                                                          <strong>AMD AthlonXP 2600+ (Linux)</strong>
                                                                                                                          FPU : 2181.68 million ops/sec
                                                                                                                          INT : 4538.67 million ops/sec
                                                                                                                          Avg : 37.1k sec

                                                                                                                          <strong>AMD AthlonXP 2500+ (Linux)</strong>
                                                                                                                          FPU : 1933.56 million ops/sec
                                                                                                                          INT : 3829.77 million ops/sec
                                                                                                                          Avg : 41.2k sec

                                                                                                                          <strong>AMD AthlonXP 2400+ (Linux)</strong>
                                                                                                                          FPU : 2102.69 million ops/sec
                                                                                                                          INT : 4149.54 million ops/sec
                                                                                                                          Avg : 38.2k sec

                                                                                                                          <strong>AMD AthlonXP 2200+ (Linux)</strong>
                                                                                                                          FPU : 1886.7 million ops/sec
                                                                                                                          INT : 3986.49 million ops/sec
                                                                                                                          Avg : 42.9k sec

                                                                                                                          <strong>AMD AthlonXP 2100+ (Linux)</strong>
                                                                                                                          FPU : 1820.19 million ops/sec
                                                                                                                          INT : 3648.92 million ops/sec
                                                                                                                          Avg : 45.4k sec

                                                                                                                          <strong>Dual AMD AthlonMP 2000+ (Linux)</strong>
                                                                                                                          FPU : 1759.1 million ops/sec
                                                                                                                          INT : 3483.2 million ops/sec
                                                                                                                          Avg : 48k sec

                                                                                                                          <strong>AMD AthlonXP-M 1800+ (WinXP)</strong>
                                                                                                                          FPU : 1389.65 million ops/sec
                                                                                                                          INT : 3383.78 million ops/sec
                                                                                                                          Avg : 30.9k sec
                                                                                                                          --------------------------------------------
                                                                                                                          From those numbers it becomes clear that :
                                                                                                                          - the E@H Linux Client is <strong>absolutely terrible</strong> in terms of performance (adding to the 0 Credits/Invalidation bug)
                                                                                                                          - it loves raw clock rates
                                                                                                                          - it does not take advantage of larger (512k+) L2 Caches

                                                                                                                          (Performance numbers based on still relatively few WorkUnits, therefor subject to certain variation)
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                                                                                                                          nsteussy
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                                                                                                                          Message 7632 - Posted 8 Mar 2005 0:24:52 UTC

                                                                                                                            Last modified: 8 Mar 2005 0:25:39 UTC

                                                                                                                            AMD Barton 2500+, 32bit, Fedora Core 3, average einstein wu over 21 results, 42k seconds.

                                                                                                                            AMD64 2600+, 64bit, Fedora Core 3 x86_64, average enstein uw over 11 results 78k seconds.

                                                                                                                            Something is majorly wrong with their code running on AMD64 in 64bit linux.

                                                                                                                            Duke out


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                                                                                                                            history
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                                                                                                                            Message 7635 - Posted 8 Mar 2005 0:49:01 UTC

                                                                                                                              I have an Athlon 64 3000 winchester running at 2.93 ghz. Stable and 50C load. The server keeps sending me work units in the 8 hour range. Is this to be expected? I have a suspicion that the benchmark program needs a serious update to include the 64 winnies. Any other winnie drivers care to comment? Got power? God bless PG&E.
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                                                                                                                              Profile G Thomas Wilson
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                                                                                                                              Message 7647 - Posted 8 Mar 2005 2:24:26 UTC - in response to Message 7537.

                                                                                                                                > I see most of your systems are running under Linux. Linux does Einstein VERY
                                                                                                                                > poorly. Check out this thread as a way to possibly boost your throughput:
                                                                                                                                >
                                                                                                                                > http://einstein.phys.uwm.edu/forum_thread.php?id=1208

                                                                                                                                Thanks for the advice.

                                                                                                                                Through my lurking around here last weekend, i've already learned of the performance penalties inherent with einstein's Linux client. One can only hope they either open the source up or improve the bottlenecks.

                                                                                                                                As for the zero credit thing, i've not encountered that at all. All uploads have been successful and i've received credit for them up to this point (803.39 since starting on Saturday with 120.89 pending). The only thing I will not do is resort to running Windows. Not a zealot, mind you. I just find Windows to be a tad too limited environment-wise. Besides, years of using vi have rendered me totally useless in VisualStudio :D

                                                                                                                                If I get motivated enough, I may do the wine trick. I'm not overly concerned though. I imagine a better einstein client for Linux will emerge eventually.



                                                                                                                                ____________

                                                                                                                                KTM
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                                                                                                                                Message 8192 - Posted 10 Mar 2005 19:56:33 UTC

                                                                                                                                  Last modified: 10 Mar 2005 20:14:05 UTC

                                                                                                                                  Prescot 3.0E0@4.510 MaxPost Working 4.200MHz Full Load 24/7 Watercolled
                                                                                                                                  Takes 9 hours more or less for 2 WU'S Einsteins Project
                                                                                                                                  Windows XP Pro, SP2

                                                                                                                                  2005-03-10 21:33:40 [---] Running CPU benchmarks
                                                                                                                                  2005-03-10 21:33:40 [---] Suspending computation and network activity - running CPU benchmarks
                                                                                                                                  2005-03-10 21:34:39 [---] Benchmark results:
                                                                                                                                  2005-03-10 21:34:39 [---] Number of CPUs: 2
                                                                                                                                  2005-03-10 21:34:39 [---] 1844 double precision MIPS (Whetstone) per CPU
                                                                                                                                  2005-03-10 21:34:39 [---] 2172 integer MIPS (Dhrystone) per CPU
                                                                                                                                  2005-03-10 21:34:39 [---] Finished CPU benchmarks


                                                                                                                                  ____________
                                                                                                                                  ----------------------------
                                                                                                                                  http://www.boincsynergy.com/stats/teams.php?team=1290&project=eah
                                                                                                                                  ----------------------------

                                                                                                                                  Mythos
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                                                                                                                                  Message 8204 - Posted 10 Mar 2005 21:06:31 UTC - in response to Message 8192.

                                                                                                                                    AMD Athlon64 3400+ running Windows XP Professional SP2
                                                                                                                                    10/03/2005 20:55:48 Running CPU benchmarks
                                                                                                                                    10/03/2005 20:55:48 Suspending computation and network activity - running CPU benchmarks
                                                                                                                                    10/03/2005 20:56:47 Benchmark results:
                                                                                                                                    10/03/2005 20:56:47 Number of CPUs: 1
                                                                                                                                    10/03/2005 20:56:47 2108 double precision MIPS (Whetstone) per CPU
                                                                                                                                    10/03/2005 20:56:47 3908 integer MIPS (Dhrystone) per CPU
                                                                                                                                    10/03/2005 20:56:47 Finished CPU benchmarks

                                                                                                                                    This machine completes an Einstein WU in roughly 5 hours and 30 minutes.

                                                                                                                                    Andrew M
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                                                                                                                                    Message 8451 - Posted 12 Mar 2005 5:49:33 UTC

                                                                                                                                      Northwood 3.2 @ 3.7GHz, Einstein runs ~9.5 hours
                                                                                                                                      1 GB ram, XP Pro SP2
                                                                                                                                      Measured floating point speed 1595.02 million ops/sec
                                                                                                                                      Measured integer speed 2434.84 million ops/sec
                                                                                                                                      those benchmarks are for each virtual processor.

                                                                                                                                      To shed some light on the Pentium 4 design.
                                                                                                                                      The main reason Intel introduced Hyperthreading Technology was to try and help correct the problem of miscalculations. If I remember correctly the 130nm core (Northwood) has a 21 staged pipeline, and the 90nm (Prescot) has a 31 staged pipeline. If a miscalculation occurs at the end of the pipeline, the cpu has to clear the pipeline and restart the calculations of for the command over again. This is where Hyperthreading improves performance in that it has another command to be calculated ready to go down the pipeline, thus minimzing the ill effects of miscalculation. AMD does not have this problem because their processors are very short pipelined cpus and do not suffer as much from miscalculations. In fact one of the reasons Intel's Prescot cpus runs so hot is because of the longer pipeline. Anandtech has a good article about the Prescot and the major flaws in the design.
                                                                                                                                      http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2343
                                                                                                                                      ____________

                                                                                                                                      Profile Kand.in.Sky
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                                                                                                                                      Message 8455 - Posted 12 Mar 2005 8:30:03 UTC

                                                                                                                                        Athlon XP 2000+ (Palomino), 768 MB @ MSI K7Master MS6341 (AMD 761)
                                                                                                                                        Win 2000 (all Updates/Servicepacks).

                                                                                                                                        E@H: 8h
                                                                                                                                        S@H: 5,5h

                                                                                                                                        It could be a littler bit faster (about 30 Minutes) if i would not run some additional Software in the background.


                                                                                                                                        #k.
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                                                                                                                                        Message 8596 - Posted 13 Mar 2005 15:36:38 UTC - in response to Message 5922.

                                                                                                                                          Lets see:
                                                                                                                                          P4 3.2 Prescott HT OC'd to only 3.38
                                                                                                                                          Asus P4C Deluxe E, 1 gig Corsair DDR
                                                                                                                                          Seti@ 2:45 per WU per Thread
                                                                                                                                          Einstein@ 7:50 per WU per Thread
                                                                                                                                          Set to change apps every 60 mins.
                                                                                                                                          So, I am getting about 500 credits per day average for Seti and a little over 100 credits per day average for Einstein. (But I only started this week, credits should go up to 200 or so, I think)
                                                                                                                                          I'm thinking about using my P4b 2.66 for Einstein as well, should be about 9 hrs per I think.

                                                                                                                                          > > Are the semprons so good or are the P4`s so bad ?
                                                                                                                                          > >
                                                                                                                                          > > now that I oc`d the 2200+ to 1800mhz, my time is 6:34 hrs per WU for
                                                                                                                                          > einstein
                                                                                                                                          > > and 3.75 for S@H
                                                                                                                                          >
                                                                                                                                          > Well, don't underestimate the P4 HT:
                                                                                                                                          >
                                                                                                                                          > 3.75h. for S@H means you are doing some 6.4WU's a day.
                                                                                                                                          >
                                                                                                                                          > With my P4 HT 2.4@2.88GHz, I'm doing real time some 10 to 11 WU's a day ;)
                                                                                                                                          >
                                                                                                                                          >

                                                                                                                                          Profile Shaitan
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                                                                                                                                          Message 8787 - Posted 15 Mar 2005 15:55:41 UTC

                                                                                                                                            Hi,
                                                                                                                                            I just started running the client this morning arond 5:00AM local
                                                                                                                                            I have two machines, but only one runing it full time.
                                                                                                                                            Benchmark results
                                                                                                                                            2257 double precision MIPS (Whetstone) per CPU
                                                                                                                                            4189 Interger MIPS (Dhrystone) per CPU
                                                                                                                                            1st WU was 05:28:48
                                                                                                                                            2nd WU was 05:20:19






                                                                                                                                            ____________
                                                                                                                                            <p>The
                                                                                                                                            Night Menace, My Einstein@Home Water Cooled PC

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                                                                                                                                            Message 8849 - Posted 15 Mar 2005 23:17:41 UTC

                                                                                                                                              I think my WU's will all be in the 5 hour range.

                                                                                                                                              My current stats

                                                                                                                                              ____________
                                                                                                                                              <p>The
                                                                                                                                              Night Menace, My Einstein@Home Water Cooled PC

                                                                                                                                              Acidburn
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                                                                                                                                              Message 8966 - Posted 17 Mar 2005 5:31:00 UTC

                                                                                                                                                Athlon64 3200+
                                                                                                                                                1GB Corsair Value Select
                                                                                                                                                Asus A8N-SLI-deluxe
                                                                                                                                                2*Gainward GF6600GT GOlden sample


                                                                                                                                                --- - 2005-03-17 06:28:33 - 1897 double precision MIPS (Whetstone) per CPU
                                                                                                                                                --- - 2005-03-17 06:28:33 - 5217 integer MIPS (Dhrystone) per CPU

                                                                                                                                                with 32bit windowsXP SP1

                                                                                                                                                Profile jboy
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                                                                                                                                                Message 9026 - Posted 17 Mar 2005 19:31:57 UTC

                                                                                                                                                  Last modified: 17 Mar 2005 19:58:16 UTC

                                                                                                                                                  AMD Sempron 2500+ (10.5x167, 1gb PC3200 DDR, DFI KT600-AL)
                                                                                                                                                  Windows XP SP2

                                                                                                                                                  [---] 1594 double precision MIPS (Whetstone) per CPU
                                                                                                                                                  [---] 2616 integer MIPS (Dhrystone) per CPU

                                                                                                                                                  Average WU time: 7 hrs 31 min

                                                                                                                                                  ----------------------

                                                                                                                                                  AMD Athlon 1300 (133 MHz FSB, 512mb PC133 SDRAM, IWill KK266plus)
                                                                                                                                                  Windows XP SP2

                                                                                                                                                  [---] 1203 double precision MIPS (Whetstone) per CPU
                                                                                                                                                  [---] 2082 integer MIPS (Dhrystone) per CPU

                                                                                                                                                  Average WU time: 9 hrs 48 min


                                                                                                                                                  ____________


                                                                                                                                                  ------------------
                                                                                                                                                  If I love truth, then why don't I love correction? Perhaps Jack Nicholson was right - maybe I really can't handle the truth!

                                                                                                                                                  Joe Rhodes
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                                                                                                                                                  Message 9040 - Posted 17 Mar 2005 21:07:09 UTC

                                                                                                                                                    Last modified: 17 Mar 2005 21:08:34 UTC

                                                                                                                                                    Processor XP2500 lightly overclocked.
                                                                                                                                                    OS is linux Fedora Core 2
                                                                                                                                                    Client is windows 4.19 running under wine.


                                                                                                                                                    1989620 528440 14 Mar 2005 13:53:06 UTC 17 Mar 2005 16:06:34 UTC Over Success Done 21,441.83 84.74 pending
                                                                                                                                                    1989615 528439 14 Mar 2005 13:53:00 UTC 17 Mar 2005 10:08:59 UTC Over Success Done 21,445.03 84.76 pending
                                                                                                                                                    1989611 528438 14 Mar 2005 13:52:54 UTC 17 Mar 2005 4:11:13 UTC Over Success Done 21,439.92 84.74 pending
                                                                                                                                                    1989607 528437 14 Mar 2005 13:52:48 UTC 16 Mar 2005 22:13:47 UTC Over Success Done 21,440.34 84.74 100.32
                                                                                                                                                    1989603 528436 14 Mar 2005 13:52:42 UTC 16 Mar 2005 16:16:15 UTC Over Success Done 21,435.01 84.72 87.19
                                                                                                                                                    1930090 515153 12 Mar 2005 20:34:51 UTC 16 Mar 2005 10:18:46 UTC Over Success Done 21,468.50 84.85 pending
                                                                                                                                                    1930086 515152 12 Mar 2005 20:34:45 UTC 16 Mar 2005 4:20:32 UTC Over Success Done 21,441.09 84.74 99.09
                                                                                                                                                    1930082 515151 12 Mar 2005 20:34:39 UTC 15 Mar 2005 22:21:59 UTC Over Success Done 21,438.30 84.89 pending
                                                                                                                                                    1930078 515150 12 Mar 2005 20:34:32 UTC 15 Mar 2005 16:24:30 UTC Over Success Done 21,448.26 84.93 pending
                                                                                                                                                    1930074 515149 12 Mar 2005 20:34:26 UTC 15 Mar 2005 10:26:50 UTC Over Success Done 21,462.54 84.98 84.98
                                                                                                                                                    1930070 515148 12 Mar 2005 20:34:20 UTC 15 Mar 2005 4:28:47 UTC Over Success Done 21,437.70 84.89 99.38

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                                                                                                                                                    Message 9064 - Posted 18 Mar 2005 1:21:23 UTC

                                                                                                                                                      --- - 2005-03-17 17:08:51 - Benchmark results:
                                                                                                                                                      --- - 2005-03-17 17:08:51 - Number of CPUs: 1
                                                                                                                                                      --- - 2005-03-17 17:08:51 - 2033 double precision MIPS (Whetstone) per CPU
                                                                                                                                                      --- - 2005-03-17 17:08:51 - 4909 integer MIPS (Dhrystone) per CPU
                                                                                                                                                      --- - 2005-03-17 17:08:51 - Finished CPU benchmarks

                                                                                                                                                      It's an overclocked Athlon XP 2600+ running about 2192 Mhz. Computer has 1 Gig of DDR RAM.
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                                                                                                                                                      Message 9083 - Posted 18 Mar 2005 9:19:51 UTC

                                                                                                                                                        Last modified: 18 Mar 2005 9:35:49 UTC

                                                                                                                                                        Here is what FX55 numbers look like

                                                                                                                                                        3/18/2005 4:15:51 AM|| 2486 double precision MIPS (Whetstone) per CPU
                                                                                                                                                        3/18/2005 4:15:51 AM|| 4641 integer MIPS (Dhrystone) per CPU

                                                                                                                                                        The FX53 was
                                                                                                                                                        2257 double precision MIPS (Whetstone) per CPU
                                                                                                                                                        4189 Interger MIPS (Dhrystone) per CPU


                                                                                                                                                        WU's will be in the 18k+ second area.

                                                                                                                                                        After 20 completed WU's the FX53's average is 19294.396 seconds
                                                                                                                                                        or 5:21.57 per WU.

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                                                                                                                                                        Message 9150 - Posted 19 Mar 2005 1:29:19 UTC

                                                                                                                                                          AMD64 FX-53

                                                                                                                                                          Measured floating point speed 2278.32 million ops/sec
                                                                                                                                                          Measured integer speed 4235.6 million ops/sec

                                                                                                                                                          Last 3 completed results:
                                                                                                                                                          2036285 538572 15 Mar 2005 22:56:16 UTC 18 Mar 2005 18:56:55 UTC Over Success Done 18,964.64 71.49 96.59
                                                                                                                                                          1963219 434764 14 Mar 2005 23:31:48 UTC 17 Mar 2005 19:43:31 UTC Over Success Done 18,968.55 69.33 95.42
                                                                                                                                                          1879830 503869 14 Mar 2005 7:47:21 UTC 16 Mar 2005 4:29:56 UTC Over Success Done 18,960.94 69.30 pending

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                                                                                                                                                          Message 9279 - Posted 20 Mar 2005 12:33:04 UTC

                                                                                                                                                            AMD64 FX-55

                                                                                                                                                            2168891 568240 19 Mar 2005 17:09:14 UTC 20 Mar 2005 8:33:51 UTC Over Success Done 18,412.19 75.95 pending

                                                                                                                                                            2123188 557911 18 Mar 2005 10:35:33 UTC 19 Mar 2005 14:13:53 UTC Over Success Done 18,202.58 68.53 81.59

                                                                                                                                                            2107933 554465 18 Mar 2005 5:21:08 UTC 18 Mar 2005 12:53:46 UTC Over Success Done 18,164.02 68.39 70.08


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                                                                                                                                                            Message 9282 - Posted 20 Mar 2005 12:45:14 UTC

                                                                                                                                                              AMD64 3400+ Newcastle

                                                                                                                                                              Benchmark results:
                                                                                                                                                              Number of CPUs: 1
                                                                                                                                                              2561 double MIPS (Whetstone) per CPU
                                                                                                                                                              6991 integer MIPS (Dhrystone) per CPU
                                                                                                                                                              Finished CPU benchmarks

                                                                                                                                                              2111885 555363 19 Mar 2005 23:13:51 UTC 20 Mar 2005 8:48:34 UTC Over Success Done 16,812.55 92.59 pending
                                                                                                                                                              2105486 521654 19 Mar 2005 18:33:36 UTC 20 Mar 2005 4:08:22 UTC Over Success Done 16,921.39 93.19 93.19
                                                                                                                                                              2099553 552594 19 Mar 2005 12:37:39 UTC 19 Mar 2005 23:13:51 UTC Over Success Done 16,853.52 92.82 pending
                                                                                                                                                              2087313 549884 19 Mar 2005 7:59:55 UTC 19 Mar 2005 17:08:24 UTC Over Success Done 16,746.73 92.23 pending
                                                                                                                                                              2061694 544206 19 Mar 2005 2:49:38 UTC 19 Mar 2005 12:37:39 UTC Over Success Done 16,662.17 90.98 90.98
                                                                                                                                                              2061687 544204 19 Mar 2005 0:38:51 UTC 19 Mar 2005 7:59:55 UTC Over Success Done 16,817.94 91.83 pending

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                                                                                                                                                              Message 9284 - Posted 20 Mar 2005 12:52:53 UTC

                                                                                                                                                                AMD64 3400+ Newcastle 16800 seconds. Very nice!
                                                                                                                                                                What is the clock speed?
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                                                                                                                                                                Message 9286 - Posted 20 Mar 2005 13:12:58 UTC

                                                                                                                                                                  Last modified: 20 Mar 2005 13:13:42 UTC

                                                                                                                                                                  AMD64 3400+ Newcastle 16800 seconds. Very nice!
                                                                                                                                                                  What is the clock speed? Quote


                                                                                                                                                                  AMD64 3400+ @ 2650 mhz
                                                                                                                                                                  10x265 HTT


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                                                                                                                                                                  Message 9291 - Posted 20 Mar 2005 15:08:06 UTC

                                                                                                                                                                    AMD64 3400+ @ 2650 mhz
                                                                                                                                                                    10x265 HTT

                                                                                                                                                                    That is interesting. I was under the impression that the client worked strictly on MIPS independant of the memory bus. I raised my FX to 2650 13x203 HTT to see how it compares with your figures. I'l post them tomorrow...

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                                                                                                                                                                    Message 9317 - Posted 20 Mar 2005 21:01:43 UTC

                                                                                                                                                                      Last modified: 20 Mar 2005 21:02:28 UTC

                                                                                                                                                                      Note how I cut off about 3000 seconds just by overclocking it to 200 extra Mhz. Well, it's not "just," more like 10% on my Athlon XP-2600 (which strangely reports as Athlon XP-2400). My goal is to get sub-20,000 second numbers on this old setup, as I'm too cheap (think college student level of poorness ;)) to get a 64-bit system like some of you. Maybe I should build another XP 2600+ system. ;)

                                                                                                                                                                      19 Mar 2005 3:04:10 UTC 20 Mar 2005 8:16:26 UTC Over Success Done 22,187.50 89.13 78.62
                                                                                                                                                                      18 Mar 2005 20:51:58 UTC 19 Mar 2005 22:17:23 UTC Over Success Done 22,085.27 88.72 77.90
                                                                                                                                                                      18 Mar 2005 5:06:59 UTC 19 Mar 2005 3:04:10 UTC Over Success Done 21,608.12 86.80 74.57
                                                                                                                                                                      17 Mar 2005 20:38:24 UTC 18 Mar 2005 20:51:58 UTC Over Success Done 22,549.13 90.59 pending
                                                                                                                                                                      17 Mar 2005 2:41:53 UTC 18 Mar 2005 5:06:52 UTC Over Success Done 23,785.30 95.55 86.68
                                                                                                                                                                      16 Mar 2005 0:58:32 UTC 17 Mar 2005 20:38:24 UTC Over Success Done 25,509.21 91.44 79.10
                                                                                                                                                                      15 Mar 2005 4:11:02 UTC 17 Mar 2005 2:41:53 UTC Over Success Done 25,201.47 90.33 103.40
                                                                                                                                                                      14 Mar 2005 6:26:06 UTC 16 Mar 2005 0:58:32 UTC Over Success Done 25,554.57 91.60 94.68

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                                                                                                                                                                      Message 9348 - Posted 21 Mar 2005 2:25:21 UTC

                                                                                                                                                                        Dual 2.5Ghz PowerPC, OS 10.3.4 & 2G ram, runnung E@H.

                                                                                                                                                                        2005-03-20 20:41:32 [---] Benchmark results:
                                                                                                                                                                        2005-03-20 20:41:32 [---] Number of CPUs: 2
                                                                                                                                                                        2005-03-20 20:41:32 [---] 1396 double precision MIPS (Whetstone) per CPU
                                                                                                                                                                        2005-03-20 20:41:32 [---] 4591 integer MIPS (Dhrystone) per CPU
                                                                                                                                                                        2005-03-20 20:41:32 [---] Finished CPU benchmarks

                                                                                                                                                                        Bruce Boytler
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                                                                                                                                                                        Message 9351 - Posted 21 Mar 2005 3:07:13 UTC

                                                                                                                                                                          AMD ATHLON 2500XP+ Barton core
                                                                                                                                                                          512 meg of ram not oc'ed slowest wu 25,597 seconds
                                                                                                                                                                          windows xp home sp2 fastest wu 25,097 seconds 16 results


                                                                                                                                                                          AMD ATHLON
                                                                                                                                                                          128 meg of ram
                                                                                                                                                                          windows xp pro sp2
                                                                                                                                                                          not oc'd 42000 seconds on average
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                                                                                                                                                                          Message 9365 - Posted 21 Mar 2005 5:20:45 UTC

                                                                                                                                                                            loose -> lose
                                                                                                                                                                            dependancy -> dependency
                                                                                                                                                                            littler -> little
                                                                                                                                                                            independant -> independent
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                                                                                                                                                                            Message 9399 - Posted 21 Mar 2005 8:20:10 UTC - in response to Message 9365.

                                                                                                                                                                              > loose -> lose
                                                                                                                                                                              > dependancy -> dependency
                                                                                                                                                                              > littler -> little
                                                                                                                                                                              > independant -> independent
                                                                                                                                                                              >

                                                                                                                                                                              lysdexia -> dyslexia ;)
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                                                                                                                                                                              Message 9400 - Posted 21 Mar 2005 8:51:07 UTC

                                                                                                                                                                                Fastest WU to be completed by my 2 systems so far is from my Duron, at 26,500 seconds. No, my Duron isn't overclocked and runs at 1.8GHZ.
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                                                                                                                                                                                Message 9428 - Posted 21 Mar 2005 12:40:17 UTC

                                                                                                                                                                                  Ok I have several WU's that were done last night and some interesting insights.

                                                                                                                                                                                  FX53 13x203=2639Mhz

                                                                                                                                                                                  2207550 81562 21 Mar 2005 1:32:50 UTC 21 Mar 2005 10:58:16 UTC Over Success Done ...16,869.13... 70.56 pending

                                                                                                                                                                                  2187045 572354 20 Mar 2005 20:50:56 UTC 21 Mar 2005 6:15:30 UTC Over Success Done ..16,876.17... 70.59 pending

                                                                                                                                                                                  2186978 572338 20 Mar 2005 10:29:02 UTC 20 Mar 2005 23:16:56 UTC Over Success Done ...16,975.91... 71.00 pending

                                                                                                                                                                                  What I can conclude from this is MIPS is everything.
                                                                                                                                                                                  The FX53 with dual on die memory controllers and 1 mb of l2 cache has really no effect on WU performance and with that front side bus doesn't either.

                                                                                                                                                                                  Interesting enough the benchmark for the client is flawed

                                                                                                                                                                                  AAdjuster's
                                                                                                                                                                                  Benchmark results:
                                                                                                                                                                                  Number of CPUs: 1
                                                                                                                                                                                  2561 double MIPS (Whetstone) per CPU
                                                                                                                                                                                  6991 integer MIPS (Dhrystone) per CPU
                                                                                                                                                                                  Finished CPU benchmarks

                                                                                                                                                                                  The AAdjuster's Dhrystone benchmarks are out of wack.

                                                                                                                                                                                  The FX53's benchmarks at 2639 MHz
                                                                                                                                                                                  Measured floating point speed 2530.23 million ops/sec
                                                                                                                                                                                  Measured integer speed 4697.29 million ops/sec

                                                                                                                                                                                  These results are clearly at odds with each other.
                                                                                                                                                                                  Another interesting thing is that AAduster's credits are inflated even though the time is nearly the identical..
                                                                                                                                                                                  My claimed credts all range in the 72 area where all of his/hers are in the 90's
                                                                                                                                                                                  very strange indeed.





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                                                                                                                                                                                  Message 9439 - Posted 21 Mar 2005 14:34:15 UTC - in response to Message 9428.

                                                                                                                                                                                    Last modified: 21 Mar 2005 14:37:06 UTC

                                                                                                                                                                                    > Interesting enough the benchmark for the client is flawed
                                                                                                                                                                                    >
                                                                                                                                                                                    > AAdjuster's
                                                                                                                                                                                    > Benchmark results:
                                                                                                                                                                                    > Number of CPUs: 1
                                                                                                                                                                                    > 2561 double MIPS (Whetstone) per CPU
                                                                                                                                                                                    > 6991 integer MIPS (Dhrystone) per CPU
                                                                                                                                                                                    > Finished CPU benchmarks
                                                                                                                                                                                    >
                                                                                                                                                                                    > The AAdjuster's Dhrystone benchmarks are out of wack.
                                                                                                                                                                                    >
                                                                                                                                                                                    > The FX53's benchmarks at 2639 MHz
                                                                                                                                                                                    > Measured floating point speed 2530.23 million ops/sec
                                                                                                                                                                                    > Measured integer speed 4697.29 million ops/sec
                                                                                                                                                                                    >
                                                                                                                                                                                    > These results are clearly at odds with each other.
                                                                                                                                                                                    > Another interesting thing is that AAduster's credits are inflated even though
                                                                                                                                                                                    > the time is nearly the identical..
                                                                                                                                                                                    > My claimed credts all range in the 72 area where all of his/hers are in the
                                                                                                                                                                                    > 90's
                                                                                                                                                                                    > very strange indeed.
                                                                                                                                                                                    >

                                                                                                                                                                                    I'd guess you're using 4.25 and he's using 4.19

                                                                                                                                                                                    Dominique

                                                                                                                                                                                    [edit]
                                                                                                                                                                                    Using 4.25 I get around 65. With 4.19 I used to get around 85.


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                                                                                                                                                                                    Message 9727 - Posted 23 Mar 2005 15:31:11 UTC

                                                                                                                                                                                      Last modified: 23 Mar 2005 15:37:09 UTC

                                                                                                                                                                                      Single AMD Opteron 144
                                                                                                                                                                                      MSI Master-F dual Opteron MB
                                                                                                                                                                                      1GB ECC PC2700
                                                                                                                                                                                      320GB RAID5 3Ware SATA RAID
                                                                                                                                                                                      Win 2K Pro running file shares

                                                                                                                                                                                      3181 Integer MIPS
                                                                                                                                                                                      1713 Double MIPS

                                                                                                                                                                                      Try beating that with a $250 chip from Intel.
                                                                                                                                                                                      I can't imagine what a dual 250 would do, much less an 8-way 852. *drool*

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                                                                                                                                                                                      Message 10006 - Posted 25 Mar 2005 14:30:13 UTC

                                                                                                                                                                                        My laptop doesn't seem to do a good job. Approx 13 hours to complete one WU, compared to my Duron that takes 8 hours. My laptop has a mobile Athlon XP 1900+, but I think it's because of the 386MB SDR memory that's causing it to slow down.
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                                                                                                                                                                                        Message 10092 - Posted 26 Mar 2005 0:47:24 UTC - in response to Message 9727.

                                                                                                                                                                                          > Single AMD Opteron 144
                                                                                                                                                                                          > MSI Master-F dual Opteron MB
                                                                                                                                                                                          > 1GB ECC PC2700
                                                                                                                                                                                          > 320GB RAID5 3Ware SATA RAID
                                                                                                                                                                                          > Win 2K Pro running file shares
                                                                                                                                                                                          >
                                                                                                                                                                                          > 3181 Integer MIPS
                                                                                                                                                                                          > 1713 Double MIPS
                                                                                                                                                                                          >
                                                                                                                                                                                          > Try beating that with a $250 chip from Intel.

                                                                                                                                                                                          On E@H, it can be done, no sweat. I have a single 3.0 GHz P4 478 Prescott running at about 3.4 GHz. It cost $189.00 in the retail box. It routinely turns in results in 41,200 sec. Sounds slow? But it is hyperthreading & does two units from one CPU in that same 41,200 sec. So on a per-unit basis, it does 41200/2=20600 sec per unit. For most tasks, hyperthreading is not as valuable, but for E@H it exactly doubles the throughput. This computer is called "yeongw2k" if you want to check. Running with old, slow PC2100 memory too.

                                                                                                                                                                                          ADDMP (I like your Opteron, though. Like to have one myself.)

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                                                                                                                                                                                          Message 10111 - Posted 26 Mar 2005 7:01:59 UTC - in response to Message 10092.

                                                                                                                                                                                            > > Single AMD Opteron 144
                                                                                                                                                                                            > > MSI Master-F dual Opteron MB
                                                                                                                                                                                            > > 1GB ECC PC2700
                                                                                                                                                                                            > > 320GB RAID5 3Ware SATA RAID
                                                                                                                                                                                            > > Win 2K Pro running file shares
                                                                                                                                                                                            > >
                                                                                                                                                                                            > > 3181 Integer MIPS
                                                                                                                                                                                            > > 1713 Double MIPS
                                                                                                                                                                                            > >
                                                                                                                                                                                            > > Try beating that with a $250 chip from Intel.
                                                                                                                                                                                            >
                                                                                                                                                                                            > On E@H, it can be done, no sweat. I have a single 3.0 GHz P4 478 Prescott
                                                                                                                                                                                            > running at about 3.4 GHz. It cost $189.00 in the retail box. It routinely
                                                                                                                                                                                            > turns in results in 41,200 sec. Sounds slow? But it is hyperthreading &
                                                                                                                                                                                            > does two units from one CPU in that same 41,200 sec. So on a per-unit basis,
                                                                                                                                                                                            > it does 41200/2=20600 sec per unit. For most tasks, hyperthreading is not as
                                                                                                                                                                                            > valuable, but for E@H it exactly doubles the throughput. This computer is
                                                                                                                                                                                            > called "yeongw2k" if you want to check. Running with old, slow PC2100 memory

                                                                                                                                                                                            I should have said that I had looked up how PickCoder's Opteron 144 was doing on E@H & it was running 24800 sec/unit compared to 20600 sec/unit for the 3 GHz P4 with hyperthreading.

                                                                                                                                                                                            And I should not have said that hyperthreading doubled the throughput. I have never run it with hyperthreading turned off & expect it would look quite bad.

                                                                                                                                                                                            [This is correct-the-blunders night.]

                                                                                                                                                                                            ADDMP
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                                                                                                                                                                                            Message 10135 - Posted 26 Mar 2005 14:51:41 UTC - in response to Message 10111.

                                                                                                                                                                                              > And I should not have said that hyperthreading doubled the throughput. I have
                                                                                                                                                                                              > never run it with hyperthreading turned off & expect it would look quite
                                                                                                                                                                                              > bad.

                                                                                                                                                                                              It does not look that bad. HT does not double the performance. It does give a boost to throughput between 10% to as high as 70% more work done per unit time.

                                                                                                                                                                                              We did fairly extensive tests during the late stages of the Beta test program with HT on and off and it does surprisingly well at improving the total production. And I say surprising in that our usage of the processors is very atypical ... we heavily use the math portions and do not have a very "standard" mix of instruction streams.

                                                                                                                                                                                              I mean, my G5 does more work because of the two CPUs than does any of my HT systems, but it is a cheap way to "see" two CPUs.
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                                                                                                                                                                                              Message 10374 - Posted 28 Mar 2005 20:10:55 UTC - in response to Message 10092.

                                                                                                                                                                                                > > Single AMD Opteron 144
                                                                                                                                                                                                > > MSI Master-F dual Opteron MB
                                                                                                                                                                                                > > 1GB ECC PC2700
                                                                                                                                                                                                > > 320GB RAID5 3Ware SATA RAID
                                                                                                                                                                                                > > Win 2K Pro running file shares
                                                                                                                                                                                                > >
                                                                                                                                                                                                > > 3181 Integer MIPS
                                                                                                                                                                                                > > 1713 Double MIPS
                                                                                                                                                                                                > >
                                                                                                                                                                                                > > Try beating that with a $250 chip from Intel.
                                                                                                                                                                                                >
                                                                                                                                                                                                > On E@H, it can be done, no sweat. I have a single 3.0 GHz P4 478 Prescott
                                                                                                                                                                                                > running at about 3.4 GHz. It cost $189.00 in the retail box. It routinely
                                                                                                                                                                                                > turns in results in 41,200 sec. Sounds slow? But it is hyperthreading &
                                                                                                                                                                                                > does two units from one CPU in that same 41,200 sec. So on a per-unit basis,
                                                                                                                                                                                                > it does 41200/2=20600 sec per unit. For most tasks, hyperthreading is not as
                                                                                                                                                                                                > valuable, but for E@H it exactly doubles the throughput. This computer is
                                                                                                                                                                                                > called "yeongw2k" if you want to check. Running with old, slow PC2100 memory
                                                                                                                                                                                                > too.
                                                                                                                                                                                                >
                                                                                                                                                                                                > ADDMP (I like your Opteron, though. Like to have one myself.)
                                                                                                                                                                                                >

                                                                                                                                                                                                I just loaded a 3.0Ghz Prescott here and notice that too. You're not really comparing apples to apples, though. That's 2 WU running at a time. I've yet to find a way to run more than one WU, for a project, on a single CPU. When I run E@H, it slightly raises the temp on the chip. I was surprised after a few days of continuous crunching. Task Mgr shows 99% usage, but I know it's not even touching the available CPU bandwidth. The machine doesn't even blink with E@H running. I can run defrag(NTFS) and any number of other applications and they barely reflect, not that I can tell, that E@H is using "99%" of the CPU. I'm eager to find out if multiple WU on a 64-bit capable CPU would reduce the WU time or not. Anyone got any ideas?

                                                                                                                                                                                                Glen
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                                                                                                                                                                                                Profile Dominique
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                                                                                                                                                                                                Message 10377 - Posted 28 Mar 2005 20:55:54 UTC

                                                                                                                                                                                                  22,000 sec. +/- 500 sec.

                                                                                                                                                                                                  AMD 2400+ Mobile at 2.08 ghz on a Biostar M7NCG 400 MB with 512m RAM

                                                                                                                                                                                                  $77 for the CPU - $63 for the MB - $76 RAM


                                                                                                                                                                                                  ____________

                                                                                                                                                                                                  *I still know CRAP when I see it.

                                                                                                                                                                                                  ADDMP
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                                                                                                                                                                                                  Message 10384 - Posted 29 Mar 2005 1:43:19 UTC - in response to Message 10374.

                                                                                                                                                                                                    PickCoder wrote:

                                                                                                                                                                                                    > I've yet to
                                                                                                                                                                                                    > find a way to run more than one WU, for a project, on a single CPU.>
                                                                                                                                                                                                    > Glen

                                                                                                                                                                                                    I was interested in your reply, but I do not quite get the sentence above.

                                                                                                                                                                                                    I started up BOINC-E@H on the hyperthreading P4 & it immediately began running two WUs of E@H simultaneously. It is still running two WUs simultaneously.

                                                                                                                                                                                                    That is what it does on a real-dual-CPU machine too.

                                                                                                                                                                                                    Are you saying that is different from your experience?

                                                                                                                                                                                                    ADDMP
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                                                                                                                                                                                                    Vladimir Zarkov
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                                                                                                                                                                                                    Message 10391 - Posted 29 Mar 2005 6:52:06 UTC

                                                                                                                                                                                                      Last modified: 29 Mar 2005 6:54:23 UTC

                                                                                                                                                                                                      Average time about 29 500 seconds.
                                                                                                                                                                                                      1536 Whetstone
                                                                                                                                                                                                      2633 Dhrystone
                                                                                                                                                                                                      PC "custom-built" by a small firm.
                                                                                                                                                                                                      AMD Athlon XP 2000+ (1.7 GHz)
                                                                                                                                                                                                      512 MB RAM (2x256)
                                                                                                                                                                                                      I don't know if it matters, but the graphics card is GeForce FX 5500 (128/128). No problems with the screen-saver or the "show graphics" option.
                                                                                                                                                                                                      No errors up to now. (I'm running only Einstein and SETI.)
                                                                                                                                                                                                      Have fun!
                                                                                                                                                                                                      Vladimir

                                                                                                                                                                                                      Oh, BTW - BOINC 4.25 splashed over 4.19 (I forgot to uninstall it).
                                                                                                                                                                                                      ____________

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                                                                                                                                                                                                      Message 10447 - Posted 29 Mar 2005 18:26:34 UTC - in response to Message 10384.

                                                                                                                                                                                                        The H/T fakes the O/S into thinking there's two cores and two sets of registers. The CPU can only execute one instruction at a time, so it has to switch between the instruction streams, much like thread execution under an O/S. Seeing the CPU throughput double on a P4 H/T makes me wonder how much I could squeeze out of a single Opteron. I would like to be able to run multiple computation threads on a single CPU, to see how much bandwidth the Opteron really is capable of. Would 2 BOINC threads kill the Opteron's performance or would it run both threads with the same WU time(or less) as a single thread? Unfortunately, I've yet to find a way to make BOINC run multiple WU threads when a single CPU is found. The CPU temp goes up a small amount, but the heat sink isn't even warm to the touch so I know it's not running @ max operating temp. I think the Opteron is being underused when running BOINC. Taskmgr shows 98-99% usage, but I seriously doubt the CPU is really loaded @ 99%. I've considered loading something like VMWare on it and running BOINC in several VME's. I'm not willing to buy it, though, just to test multiple threads. I'll check to see if there's a temp demo that'll lemme try it.

                                                                                                                                                                                                        Glen

                                                                                                                                                                                                        > I was interested in your reply, but I do not quite get the sentence above.
                                                                                                                                                                                                        >
                                                                                                                                                                                                        > I started up BOINC-E@H on the hyperthreading P4 & it immediately began
                                                                                                                                                                                                        > running two WUs of E@H simultaneously. It is still running two WUs
                                                                                                                                                                                                        > simultaneously.
                                                                                                                                                                                                        >
                                                                                                                                                                                                        > That is what it does on a real-dual-CPU machine too.
                                                                                                                                                                                                        >
                                                                                                                                                                                                        > Are you saying that is different from your experience?
                                                                                                                                                                                                        >
                                                                                                                                                                                                        > ADDMP
                                                                                                                                                                                                        >
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                                                                                                                                                                                                        Profile Paul D. Buck
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                                                                                                                                                                                                        Message 10450 - Posted 29 Mar 2005 18:58:52 UTC - in response to Message 10447.

                                                                                                                                                                                                          > ... I think the Opteron is being underused when running BOINC. Taskmgr shows
                                                                                                                                                                                                          > 98-99% usage, but I seriously doubt the CPU is really loaded @ 99%. I've
                                                                                                                                                                                                          > considered loading something like VMWare on it and running BOINC in several
                                                                                                                                                                                                          > VME's. I'm not willing to buy it, though, just to test multiple threads. I'll
                                                                                                                                                                                                          > check to see if there's a temp demo that'll lemme try it.

                                                                                                                                                                                                          Why do you think that 99% CPU usage is not high enough?

                                                                                                                                                                                                          If you judge it by the fact that if you start anything else up and it does not seem "slow" that there is remaining CPU cycles; well, it is not a true understanding.

                                                                                                                                                                                                          BOINC and most other DC programs run at a low priority so they will "naturally" fade into the background and your computer will not seem to be burdened with any work at all. If you do manage to force it to run more than one thread, all you will accomplish is to slow down the processing ...
                                                                                                                                                                                                          ____________

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                                                                                                                                                                                                          Message 10486 - Posted 30 Mar 2005 2:41:25 UTC - in response to Message 10447.

                                                                                                                                                                                                            PickCoder wrote:

                                                                                                                                                                                                            > The H/T fakes the O/S into thinking there's two cores and two sets of
                                                                                                                                                                                                            > registers. The CPU can only execute one instruction at a time, so it has to
                                                                                                                                                                                                            > switch between the instruction streams,

                                                                                                                                                                                                            No, I don't think that's quite right. As I understand it, the P4 has parallel computation capabilities for SOME PARTS of the calculation. It can actually do more than one calculation at the exact same time. Hyperthreading was devised by Intel do make more efficient use of these duplicated sections of the CPU.

                                                                                                                                                                                                            That's entirely different from time-slicing, which has been around much longer, & only produces the illusion of two or more actions happening at the same time, by switching rapidly from one to the other. Time-slicing does not increase through-put. It somewhat decreases through-put because there is some overhead in repeatedly stopping one calculation & starting up the other.

                                                                                                                                                                                                            The MMX & 3DNOW & SSE & SSE2 & SSE3 sections also allow more than one calculation in the same clock cycle, but the E@H programers apparently haven't gotten around to putting them to work. But in Folding@Home, they greatly increase the throughput.

                                                                                                                                                                                                            I don't know why AMD hasn't developed hyperthreading yet. Maybe someone else knows. Maybe Intel holds some patents.

                                                                                                                                                                                                            But both Intel & AMD are said to be working on single chips that will contain two complete CPUs for late this year or early next year. That goes further than the P4 which only has duplication for some parts. Maybe AMD believes it has more to gain by concentrating its design force on this further development. I have seen reports that AMD might beat Intel into production.

                                                                                                                                                                                                            ADDMP
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                                                                                                                                                                                                            Message 10493 - Posted 30 Mar 2005 4:14:51 UTC

                                                                                                                                                                                                              Hello everybody,

                                                                                                                                                                                                              With my system, Einstein seems to always be around 6 1/2 hours.


                                                                                                                                                                                                              einstein 4.79 H1_1308.9_1309.2_0.1_Tl03est02_4 06:32:10 100.00%
                                                                                                                                                                                                              einstein 4.79 H1_1308.9_1309.0_0.1_Tl63est02_1 06:27:42 100.00%
                                                                                                                                                                                                              einstein 4.79 H1J308.9_1309,1_0.1_Tl6_Test02_1 06:28:06 100.00%
                                                                                                                                                                                                              einstein 4.79 HC1308.9_1309,2_0, CTl6_Test02_0 06:29:14 100.00%
                                                                                                                                                                                                              einstein 4.79 HC1308.9_1309,3_0. CTl6_Test02_0 06:27:08 100.00%
                                                                                                                                                                                                              einstein 4.79 H1J308.9_1309.4_0.1_Tl6_Test02_0 06:31:56 100.00%
                                                                                                                                                                                                              einstein 4.79 H1J308.9_1309,0_0. CTl7_Test02_0 00:17:59 4.51% 06:21:14
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_36878_3 02:18:49 100.00%
                                                                                                                                                                                                              mfoldB1254,24 t0227E_1_42830_3 02:19:39 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_43000_2 02:16:15 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_43004_0 02:20:11 100.00%
                                                                                                                                                                                                              mfoldB1254,24 t0227E_1_42820_3 02:19:01 100.00%
                                                                                                                                                                                                              mfoldB1254,24 t0227E_1_34853_1 02:16:46 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_42753_3 02:19:35 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_42968_2 02:19:40 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_42989_1 02:22:19 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_l_42948_2 02:20:05 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0227E_1_42494_5 02:16:22 100.00%
                                                                                                                                                                                                              mfoldB1254.24 t0224E_1_93412_1 00:56:29 100.00%
                                                                                                                                                                                                              setiathome 4.09 11 ja05ab ,27751.22881,823596,85_1 03:19:04 100.00%
                                                                                                                                                                                                              setiathome 4.09 19dc04ab,27343.14545,873586,171_2 03:14:09 100.00%

                                                                                                                                                                                                              .....................................................
                                                                                                                                                                                                              AMD Athlon XP 2400+ 266 FSB Socket A - Thornton - OEM
                                                                                                                                                                                                              Manufacturer AMD - Model AXDC2400DKV3C

                                                                                                                                                                                                              CPU Rating 2000MHz
                                                                                                                                                                                                              Socket Type SOCKET-A
                                                                                                                                                                                                              Bus Frequency 266MHz
                                                                                                                                                                                                              Multiplier 15
                                                                                                                                                                                                              Core Voltage 1.65v

                                                                                                                                                                                                              128 KB L1 Cache Size - 256 KB L2 Cache Size
                                                                                                                                                                                                              .....................................................

                                                                                                                                                                                                              Benchmarks and stats courtesy pcpitstop.com:

                                                                                                                                                                                                              Processor Description:
                                                                                                                                                                                                              AMD Athlon XP
                                                                                                                                                                                                              Nominal Clock Speed 2000 MHz
                                                                                                                                                                                                              Measured Clock Speed 2000 MHz
                                                                                                                                                                                                              Speed Rating 5762 (?)

                                                                                                                                                                                                              Main Board Description:
                                                                                                                                                                                                              VIA Technologies, Inc. KT333CF-8235
                                                                                                                                                                                                              BIOS Phoenix Technologies, LTD 6.00 PG 08/25/2003
                                                                                                                                                                                                              System Board KT333CF-8235


                                                                                                                                                                                                              Memory Configuration:
                                                                                                                                                                                                              RAM installed 768 MB
                                                                                                                                                                                                              Max RAM module size 32 MB
                                                                                                                                                                                                              Memory Type 512+256,T16 DDR (budget ram)
                                                                                                                                                                                                              Speed Rating 4955 MB/s

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                                                                                                                                                                                                              Message 10495 - Posted 30 Mar 2005 5:56:55 UTC

                                                                                                                                                                                                                Athlon XP 2600+
                                                                                                                                                                                                                512 MB PC133

                                                                                                                                                                                                                Einstein@Home WU crunch times average 6 hours, 15 minutes.
                                                                                                                                                                                                                ____________

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                                                                                                                                                                                                                Message 10508 - Posted 30 Mar 2005 10:40:33 UTC

                                                                                                                                                                                                                  >I don't know why AMD hasn't developed hyperthreading yet. Maybe someone else
                                                                                                                                                                                                                  >knows. Maybe Intel holds some patents.

                                                                                                                                                                                                                  AMD doesn't need hyperthreading as much as intel. Their pipeline is 5 to 10 instructions when a P4 is around 30 instructions. So on avereage the AMD chip gets 60% less pipeline stalls and 60% less overhead in refilling the pipeline when a stall does happen. In terms of total time wasted (and filled in with HT) this is probably the largest source because even with the best preditions it happens more often than the other sources that HT fills in.

                                                                                                                                                                                                                  In real numbers intel gains about 30% due to HT normally, AMD would probably gain less than 5%.

                                                                                                                                                                                                                  There could be patent/copyright issues as well.
                                                                                                                                                                                                                  ____________
                                                                                                                                                                                                                  BOINC WIKI

                                                                                                                                                                                                                  BOINCing since 2002/12/8

                                                                                                                                                                                                                  Profile Paul D. Buck
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                                                                                                                                                                                                                  Message 10515 - Posted 30 Mar 2005 14:41:56 UTC - in response to Message 10486.

                                                                                                                                                                                                                    > But both Intel & AMD are said to be working on single chips that will
                                                                                                                                                                                                                    > contain two complete CPUs for late this year or early next year. That goes
                                                                                                                                                                                                                    > further than the P4 which only has duplication for some parts. Maybe AMD
                                                                                                                                                                                                                    > believes it has more to gain by concentrating its design force on this further
                                                                                                                                                                                                                    > development. I have seen reports that AMD might beat Intel into production.

                                                                                                                                                                                                                    IBM is doing the same ... there are rumors that we may see dual core, dual processor systems from Apple this year. Still only a rumor though ...

                                                                                                                                                                                                                    The Intel dual cores, at least to start, will have HT, so, the dual core with HT will look like 4 CPUs where AMD will have one chip that has two CPUs. In this case, the dual processor AMD system will have 4 physical processors and the Intel Dual will have 4 physical processors, with the appearance of 8 logical processors.
                                                                                                                                                                                                                    ____________

                                                                                                                                                                                                                    Chase Gordon
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                                                                                                                                                                                                                    Message 10588 - Posted 31 Mar 2005 6:51:35 UTC

                                                                                                                                                                                                                      Last modified: 31 Mar 2005 6:52:19 UTC

                                                                                                                                                                                                                      i am getting around 5 hours per WU on my 2.5ghz barton. around 7 hours on my 1.88ghz tbred b.

                                                                                                                                                                                                                      maverick
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                                                                                                                                                                                                                      Message 17551 - Posted 28 Aug 2005 16:34:21 UTC - in response to Message 10588.

                                                                                                                                                                                                                        INTEL P4 3066@3500

                                                                                                                                                                                                                        Benchmark results:
                                                                                                                                                                                                                        Number of CPUs: 2
                                                                                                                                                                                                                        1510 double MIPS (Whetstone) per CPU
                                                                                                                                                                                                                        1305 integer MIPS (Dhrystone) per CPU
                                                                                                                                                                                                                        Finished CPU benchmarks

                                                                                                                                                                                                                        does anyone know if there exists a list like this one ?
                                                                                                                                                                                                                        http://www.setigermany.de/statistiken/sg/benchmark/benchmark.htm

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                                                                                                                                                                                                                        Message 17552 - Posted 28 Aug 2005 17:02:09 UTC

                                                                                                                                                                                                                          Last modified: 28 Aug 2005 17:04:44 UTC

                                                                                                                                                                                                                          Certainly not an exact match, but look here:
                                                                                                                                                                                                                          http://www.boincstats.com/stats/host_cpu_stats.php?pr=einstein&st=0&to=100&or=10
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                                                                                                                                                                                                                          Message 18165 - Posted 11 Sep 2005 1:08:35 UTC

                                                                                                                                                                                                                            Einstein times:
                                                                                                                                                                                                                            Power Mac G5 @ 2X2.5 = 3.5 hrs (2 at a time)
                                                                                                                                                                                                                            iMac G5 @ 2 Ghz = 4.5 hrs
                                                                                                                                                                                                                            eMac G4 @ 800 Mhz = 13 hrs

                                                                                                                                                                                                                            SETI times:
                                                                                                                                                                                                                            Power Mac G5 @ 2X2.5 = 2.5 hrs (2 at a time)
                                                                                                                                                                                                                            iMac G5 @ 2 Ghz = 3 hrs
                                                                                                                                                                                                                            eMac G4 @ 800 Mhz = 10.5 hrs
                                                                                                                                                                                                                            iMac G3 @ 500 Mhz = 15.25 hrs
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                                                                                                                                                                                                                            Message 18168 - Posted 11 Sep 2005 8:03:14 UTC

                                                                                                                                                                                                                              Last modified: 11 Sep 2005 8:06:24 UTC

                                                                                                                                                                                                                              I takes 6:10 hours to crunch(E@H)with mi AMD Athlon(tm) XP 2800+,S@H takes 1.2h or 2 hours
                                                                                                                                                                                                                              ____________
                                                                                                                                                                                                                              Son of a BIT!



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                                                                                                                                                                                                                              Message 18174 - Posted 11 Sep 2005 14:28:16 UTC

                                                                                                                                                                                                                                AMD X2 3800+ at stock speed with old 4x512MB DDR266CL2
                                                                                                                                                                                                                                About 22k per WU using both cores.
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                                                                                                                                                                                                                                Message 18204 - Posted 12 Sep 2005 4:03:40 UTC

                                                                                                                                                                                                                                  iMac G5 1.6 ghz - 5 hours 41 minutes average
                                                                                                                                                                                                                                  Pentium 4 3.4 ghz - 11 hrs 16 minutes per thread. (2 threads) 5hrs 38 min average
                                                                                                                                                                                                                                  Pentium D840 dual core 0 7 hrs 22 min per core or 3 hrs 41 min average.
                                                                                                                                                                                                                                  AMD 64 X2 4200 - 5 hrs 42 min per core or 2 hrs 51 min average.
                                                                                                                                                                                                                                  Athlon 2400 - 6 hrs 25 min average
                                                                                                                                                                                                                                  Athlon 2800 (previous because Motherboard just died) - 6 hrs 7 min average
                                                                                                                                                                                                                                  (looking for a replacement mobo then will upgrade to Athlon 3200)
                                                                                                                                                                                                                                  iBook 600, 600mhz G3 - about 27 hours average.

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                                                                                                                                                                                                                                  Team MacNN - The best Macintosh team ever.

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                                                                                                                                                                                                                                  Message 18218 - Posted 12 Sep 2005 14:37:16 UTC

                                                                                                                                                                                                                                    iBook G4 1.33 GHz, 7.7 hours aaverage
                                                                                                                                                                                                                                    PowerBook G4 1.67 GHZ, 6.3 hours average
                                                                                                                                                                                                                                    ____________
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                                                                                                                                                                                                                                    Message 18227 - Posted 12 Sep 2005 19:20:01 UTC

                                                                                                                                                                                                                                      Last modified: 12 Sep 2005 19:21:36 UTC

                                                                                                                                                                                                                                      Mac Mini (G4 1.25GHz) - 8 hours, 8 min avg

                                                                                                                                                                                                                                      iBook (G3 900MHz) - all results are gone, haven't used in a while; guessing 20 hours?

                                                                                                                                                                                                                                      AMD 3700+ "San Diego", WinXP - 5 hours, 37 min avg

                                                                                                                                                                                                                                      This last one is my new "cruncher", not yet overclocked, only a couple of results to get a baseline.

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                                                                                                                                                                                                                                      Message 18235 - Posted 12 Sep 2005 20:51:02 UTC

                                                                                                                                                                                                                                        PowerMac G5 2.0 GHz ... looks like 4.32 hours for most of them. Used to be 7 to 10 hours. I was not paying attention and had not noticed the speed increase ...
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                                                                                                                                                                                                                                        Message 18241 - Posted 12 Sep 2005 23:45:03 UTC - in response to Message 18235.

                                                                                                                                                                                                                                          PowerMac G5 2.0 GHz ... looks like 4.32 hours for most of them. Used to be 7 to 10 hours. I was not paying attention and had not noticed the speed increase ...


                                                                                                                                                                                                                                          That was the benefit of the beta test. An altivec enabled app thanks to Bernd.

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                                                                                                                                                                                                                                          Message 18259 - Posted 13 Sep 2005 12:06:12 UTC - in response to Message 10135.

                                                                                                                                                                                                                                            > And I should not have said that hyperthreading doubled the throughput. I have
                                                                                                                                                                                                                                            > never run it with hyperthreading turned off & expect it would look quite
                                                                                                                                                                                                                                            > bad.

                                                                                                                                                                                                                                            It does not look that bad. HT does not double the performance. It does give a boost to throughput between 10% to as high as 70% more work done per unit time.

                                                                                                                                                                                                                                            We did fairly extensive tests during the late stages of the Beta test program with HT on and off and it does surprisingly well at improving the total production. And I say surprising in that our usage of the processors is very atypical ... we heavily use the math portions and do not have a very "standard" mix of instruction streams.

                                                                                                                                                                                                                                            I mean, my G5 does more work because of the two CPUs than does any of my HT systems, but it is a cheap way to "see" two CPUs.


                                                                                                                                                                                                                                            What is your opinion: I have a choice in the next couple of days to get either a P4 3.4 Gh with HT, or an AMD 64 3800 computer. Which would you choose?

                                                                                                                                                                                                                                            It may be that the P4 with HT does more work per unit time, because it works on 2 E@h data sets at once.

                                                                                                                                                                                                                                            Thanks!

                                                                                                                                                                                                                                            ____________
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                                                                                                                                                                                                                                            Message 18262 - Posted 13 Sep 2005 13:15:49 UTC - in response to Message 18259.

                                                                                                                                                                                                                                              Last modified: 13 Sep 2005 13:19:02 UTC

                                                                                                                                                                                                                                              What is your opinion: I have a choice in the next couple of days to get either a P4 3.4 Gh with HT, or an AMD 64 3800 computer. Which would you choose?


                                                                                                                                                                                                                                              Those are the same two options I was looking at... but then I happened to read about the newer "San Diego" core AMD 64 3700+ (socket 939). Chip cost was less than the 3800 or the P4, while cache is larger (more important to SETI than Einstein, but still nice to have) and every indication is that it will overclock to be faster than the 3800 while still running cooler. HT doesn't mean much to me for the other purposes this computer will have, so CPU choice was based on BOINC.

                                                                                                                                                                                                                                              The P4 seems to take 20-21K seconds per WU (40-42K but doing 2 at a time). Without overclocking, this is exactly what the 3700+ is giving me, 20-21Ksec/single WU. The 3800 might be very slightly faster "stock" for Einstein, but I believe it's slightly slower for SETI. Overclocking on the P4 is limited by heat; the 3800 by chip design. The 3700 seems to have much looser limits. I don't know yet how far I'll be able to push the 3700, but others have gotten into the 4000 or even 4200 range, with fans, nothing fancy like liquid cooling. Not being a PC guru, I bought an ASUS motherboard that has "overclocking for dummies" built in, and a case with extra fans - "stock", my CPU is running at 40-41 degrees, so there's a lot of room left to play - I'll hopefully know more in a few days.

                                                                                                                                                                                                                                              Hm... just realized I didn't answer your question, but instead added a third option to the mix!

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                                                                                                                                                                                                                                              Message 18263 - Posted 13 Sep 2005 13:45:50 UTC - in response to Message 18262.

                                                                                                                                                                                                                                                What is your opinion: I have a choice in the next couple of days to get either a P4 3.4 Gh with HT, or an AMD 64 3800 computer. Which would you choose?


                                                                                                                                                                                                                                                Those are the same two options I was looking at... but then I happened to read about the newer "San Diego" core AMD 64 3700+ (socket 939). Chip cost was less than the 3800 or the P4, while cache is larger (more important to SETI than Einstein, but still nice to have) and every indication is that it will overclock to be faster than the 3800 while still running cooler. HT doesn't mean much to me for the other purposes this computer will have, so CPU choice was based on BOINC.

                                                                                                                                                                                                                                                The P4 seems to take 20-21K seconds per WU (40-42K but doing 2 at a time). Without overclocking, this is exactly what the 3700+ is giving me, 20-21Ksec/single WU. The 3800 might be very slightly faster "stock" for Einstein, but I believe it's slightly slower for SETI. Overclocking on the P4 is limited by heat; the 3800 by chip design. The 3700 seems to have much looser limits. I don't know yet how far I'll be able to push the 3700, but others have gotten into the 4000 or even 4200 range, with fans, nothing fancy like liquid cooling. Not being a PC guru, I bought an ASUS motherboard that has "overclocking for dummies" built in, and a case with extra fans - "stock", my CPU is running at 40-41 degrees, so there's a lot of room left to play - I'll hopefully know more in a few days.

                                                                                                                                                                                                                                                Hm... just realized I didn't answer your question, but instead added a third option to the mix!


                                                                                                                                                                                                                                                Thanks for your response, and it is nice to hear of all the options!

                                                                                                                                                                                                                                                The only thing is, this computer is for me at work, so I may need to be a bit careful with how much I can play around with it in terms of overclocking. I overclock my AMD Thunderbird 1.2 Ghz to 1.368 GHz at home, and that has been great to speed up an old system that still has a lot of life left in it.

                                                                                                                                                                                                                                                Thanks again!

                                                                                                                                                                                                                                                ____________
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                                                                                                                                                                                                                                                Message 18268 - Posted 13 Sep 2005 17:37:25 UTC - in response to Message 18263.

                                                                                                                                                                                                                                                  The only thing is, this computer is for me at work, so I may need to be a bit careful with how much I can play around with it in terms of overclocking.


                                                                                                                                                                                                                                                  No results or WU timings back yet, but since my last posting I hit the "105%" button on the ASUS overclocking utility - went from 2.200 GHz to 2.310 GHz. Reran benchmarks, they went from 2095/3930 to 2185/4090 (4%)... CPU temp went from 40 to 42.

                                                                                                                                                                                                                                                  I tried the "110%" button but it locked up after a minute or so. I suspect the "for dummies" part of the program doesn't adjust voltages and multipliers and whatnot just right for the increased clock speed, or the cheap RAM I have is a problem - will have to do some reading and try again manually. You (and everyone else here probably, I'm a Mac guy) I'm sure know more about overclocking than I do. From what I've read about 3700 "San Diego"s though, 10% (2.42 GHz) should barely be pushing it. The limit on air seems to be around 30% in fact... although I value accuracy and CPU lifetime too much to push it that far.

                                                                                                                                                                                                                                                  The problem with overclocking an "office" computer is the case and fans - I looked for a conservative-looking case that would have plenty of airflow and eventually gave up. All the ones that really move air are for gamers. The red and blue LEDs really light up my home office at night! Reasonably, though, as cool as the 3700 runs, and with only a 2 degree increase at 5%, stock "boring case" fans should work fine.

                                                                                                                                                                                                                                                  All this effort to shave a few seconds off our crunching times... is this a hobby or an obsession? :-) I'll have at least one or two result times at 105% to report back soon.

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                                                                                                                                                                                                                                                  Message 18269 - Posted 13 Sep 2005 18:03:47 UTC - in response to Message 18268.

                                                                                                                                                                                                                                                    You (and everyone else here probably, I'm a Mac guy) I'm sure know more about overclocking than I do. From what I've read about 3700 "San Diego"s though, 10% (2.42 GHz) should barely be pushing it. The limit on air seems to be around 30% in fact... although I value accuracy and CPU lifetime too much to push it that far.

                                                                                                                                                                                                                                                    All this effort to shave a few seconds off our crunching times... is this a hobby or an obsession? :-) I'll have at least one or two result times at 105% to report back soon.


                                                                                                                                                                                                                                                    I am probably newer than you at overclocking! I just started the weekend before this after reading an article about it in PC World magazine. Then my power supply failed and I was sure it was my pedestrian efforts at overclocking, but the guy at CompUSA said this was probably due to dirty power from the utility company.

                                                                                                                                                                                                                                                    And yes, shaving off E@h result speeds does seem an obsession at times! It's one reason I am asking for an upgrade of my office computer (although it does have other issues, too, but I am asking for the fastest processor I can get for a price that I think management will find acceptable). ;)
                                                                                                                                                                                                                                                    ____________
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                                                                                                                                                                                                                                                    Bob P.

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                                                                                                                                                                                                                                                    Message 18270 - Posted 13 Sep 2005 19:08:33 UTC - in response to Message 18259.


                                                                                                                                                                                                                                                      What is your opinion: I have a choice in the next couple of days to get either a P4 3.4 Gh with HT, or an AMD 64 3800 computer. Which would you choose?


                                                                                                                                                                                                                                                      Take a look again at my results:
                                                                                                                                                                                                                                                      Pentium 4 3.4 ghz - 11 hrs 16 minutes per thread. (2 threads) 5hrs 38 min average
                                                                                                                                                                                                                                                      AMD 64 X2 4200 - 5 hrs 42 min per core or 2 hrs 51 min average.
                                                                                                                                                                                                                                                      Athlon 2400 - 6 hrs 25 min average

                                                                                                                                                                                                                                                      A single core 3800 will do better then one core of the 4200. If you check prices you may find that the single core 3800 is only slightly cheaper then the dual core 3800. It is worth looking at the dual core if you have a 939 pin mobo. (most can be bios flashed without difficulty to recognize the dual cores, and most the newer ones already recognize the dual cores.)

                                                                                                                                                                                                                                                      While I don't have any hard numbers at hand, I know for a fact that the AMD 3800 without overclocking, will outperform the P4 3.4 ghz even with HT. My previous AMD 64 3200, was only a little slower then my P4 3.4 ghz with HT on Einstein.

                                                                                                                                                                                                                                                      Get the AMD if Einstein is your primary project. SETI and Climate will do better with the Intel chip, unless of course your go dual core.

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                                                                                                                                                                                                                                                      Message 18272 - Posted 13 Sep 2005 19:56:04 UTC - in response to Message 18270.

                                                                                                                                                                                                                                                        Take a look again at my results:
                                                                                                                                                                                                                                                        Pentium 4 3.4 ghz - 11 hrs 16 minutes per thread. (2 threads) 5hrs 38 min average
                                                                                                                                                                                                                                                        AMD 64 X2 4200 - 5 hrs 42 min per core or 2 hrs 51 min average.
                                                                                                                                                                                                                                                        Athlon 2400 - 6 hrs 25 min average.
                                                                                                                                                                                                                                                        Get the AMD if Einstein is your primary project.


                                                                                                                                                                                                                                                        Thank you, you have made me decide to go with the AMD! I appreciate your comments.

                                                                                                                                                                                                                                                        Turns out my company has a partnering relationship with HP, and so the HP dx5150 Small Form Factor business desktop with an Athelon 3800+ comes at a somewhat reduced price. So it looks like I am good to go!
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                                                                                                                                                                                                                                                        Message 18404 - Posted 18 Sep 2005 2:26:23 UTC

                                                                                                                                                                                                                                                          For some reason the work computer was delivered as an AMD Athelon 64 3500+. I will know Monday, but I suspect the guy ordering it saw a way to shave off some cost from the 3800+ system :( [I left him about 5 voicemails telling him I was sure it was HP's fault, they had shipped the wrong computer, and that HP should let me use the 3500+ until the correct 3800+ system arrived!]

                                                                                                                                                                                                                                                          Anyway, here is the timing (which is nonetheless about 3X better than my old P4 1.4Ghz, which I now know was basically a piece of crap. From now on, it is AMD for me!)

                                                                                                                                                                                                                                                          AMD Athelon 64 (Winchester core) 3500+ processor: 20,300 secs. (5.6 hours)
                                                                                                                                                                                                                                                          ____________
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                                                                                                                                                                                                                                                          Message 18414 - Posted 18 Sep 2005 12:00:59 UTC

                                                                                                                                                                                                                                                            AMD Athlon 64 3700+ (San Diego Core) barely overclocked to 105% - 5h 26m (19,553s) avg.

                                                                                                                                                                                                                                                            ____________

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                                                                                                                                                                                                                                                            Message 18420 - Posted 18 Sep 2005 15:55:58 UTC

                                                                                                                                                                                                                                                              Last modified: 18 Sep 2005 16:08:12 UTC

                                                                                                                                                                                                                                                              Avg WU time ~ 5 hr, 15 min
                                                                                                                                                                                                                                                              Athlon XP-M 2600 Mobile installed in
                                                                                                                                                                                                                                                              Asus A7N8X-deluxe 2.0 mobo
                                                                                                                                                                                                                                                              512mb Corsair 3200LL ram @ 7-3-3-2.5 timing
                                                                                                                                                                                                                                                              2.448 GHz (204FSB x 12) 1.625 core V, easy2do - this 45 watt (@ default speed) CPU has a huge thermal and voltage envelope
                                                                                                                                                                                                                                                              non-exotic aircooling (TT Volcano12)

                                                                                                                                                                                                                                                              Built in Dec '03, ran Seti Classic 24/7 until August '04, this $US 95 CPU has been running Einstein day & night, often in 85+ degree F environment since March - rock-stable at these settings, as well as concurrent web duty and gaming. Could probably go higher but I think my 350 Watt PSU is the weak link, too broke to upgrade.
                                                                                                                                                                                                                                                              ____________
                                                                                                                                                                                                                                                              microcraft
                                                                                                                                                                                                                                                              "The arc of history is long, but it bends toward justice" - MLK

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                                                                                                                                                                                                                                                              Message 18428 - Posted 19 Sep 2005 1:07:35 UTC

                                                                                                                                                                                                                                                                Last modified: 19 Sep 2005 1:09:05 UTC

                                                                                                                                                                                                                                                                Looks like most of you guys had your WU time cut down consiberably. Last week my laptop speed jumped from 10 hours to nearly 20!!!

                                                                                                                                                                                                                                                                HEY!! wait a minute!!.... What did you guys do to me?

                                                                                                                                                                                                                                                                Actually, I think something is broken (after nearly 4 solid months of BOINCing). Laptop won't recognize my power adapter anymore, so it won't charge the battery and it cut my processor down to half speed.

                                                                                                                                                                                                                                                                ____________


                                                                                                                                                                                                                                                                "No, I'm not a scientist... but I did stay at a Holiday Inn Express."

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                                                                                                                                                                                                                                                                Message 18429 - Posted 19 Sep 2005 1:33:46 UTC

                                                                                                                                                                                                                                                                  AMD Athlon XP 2600+ 2.83 GHz average time per wu is 22,000 seconds or about 6.11 hrs. So far so good. :)
                                                                                                                                                                                                                                                                  ____________
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                                                                                                                                                                                                                                                                  Message 18435 - Posted 19 Sep 2005 4:04:52 UTC

                                                                                                                                                                                                                                                                    Quad PIII Xeon, 4 matched 500/100/2048's, 1Gig 50 nanosecond EDO ECC buffered dimms. Yup, it's a slug at 32-33 hours per WU. Only saving grace is that it does 4 WU's at a time and it is very stable.

                                                                                                                                                                                                                                                                    See ya
                                                                                                                                                                                                                                                                    ____________

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                                                                                                                                                                                                                                                                    Message 18462 - Posted 19 Sep 2005 15:41:04 UTC

                                                                                                                                                                                                                                                                      Hi

                                                                                                                                                                                                                                                                      Athlon XP 2800 @ 2120 Mhz Win XP 512 MB Ram

                                                                                                                                                                                                                                                                      WU times between 22000 and 25000 seconds.

                                                                                                                                                                                                                                                                      greetz Mike

                                                                                                                                                                                                                                                                      ____________

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                                                                                                                                                                                                                                                                      Message 18463 - Posted 19 Sep 2005 16:59:13 UTC

                                                                                                                                                                                                                                                                        PentM 1.86GHz - 29,000 to 30,000 sec

                                                                                                                                                                                                                                                                        Dual P3 933MHz - 63,000 to 64,000 sec

                                                                                                                                                                                                                                                                        Andy

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                                                                                                                                                                                                                                                                        Message 18502 - Posted 21 Sep 2005 4:08:20 UTC

                                                                                                                                                                                                                                                                          Mac G4 Dual CPU 1.4GHz - Longest 27,170.41 - Shortest 13,074.32 But most are around 25,600
                                                                                                                                                                                                                                                                          Mac G4 PowerBook 1.4GHz - Longest 41,673.63 - Shortest 36,700.31 But most are around 36,600

                                                                                                                                                                                                                                                                          Regards
                                                                                                                                                                                                                                                                          Phil

                                                                                                                                                                                                                                                                          ____________

                                                                                                                                                                                                                                                                          We Must look for intelligent life on other planets as,
                                                                                                                                                                                                                                                                          it is becoming increasingly apparent we will not find any on our own.

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                                                                                                                                                                                                                                                                          Message 18527 - Posted 21 Sep 2005 21:10:39 UTC

                                                                                                                                                                                                                                                                            CPU-type: AuthenticAMD AMD Athlon(tm) 64 Processor 3200+
                                                                                                                                                                                                                                                                            OS: Linux 2.6.8-24.18-default
                                                                                                                                                                                                                                                                            Memory: 512Mb Corsair DDR400
                                                                                                                                                                                                                                                                            Last two WU's took 28,023.09 and 28,120.62 seconds.

                                                                                                                                                                                                                                                                            Bob

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                                                                                                                                                                                                                                                                            Message 18529 - Posted 21 Sep 2005 23:44:29 UTC

                                                                                                                                                                                                                                                                              Last modified: 21 Sep 2005 23:46:56 UTC

                                                                                                                                                                                                                                                                              CPU-Type : AuthenticAMD AMD Athlon(tm) 64 Processor 3500+
                                                                                                                                                                                                                                                                              Memory : 1 GB

                                                                                                                                                                                                                                                                              OS : Linux 2.6.13-kami64-32
                                                                                                                                                                                                                                                                              Application : Einstein 0.15 for Linux

                                                                                                                                                                                                                                                                              Average over the last 19 WU's : 24850 secs
                                                                                                                                                                                                                                                                              Min 24718
                                                                                                                                                                                                                                                                              Max 2530

                                                                                                                                                                                                                                                                              (System mostly available for E@H )
                                                                                                                                                                                                                                                                              ____________

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                                                                                                                                                                                                                                                                              Message 18540 - Posted 22 Sep 2005 2:33:30 UTC

                                                                                                                                                                                                                                                                                Hi,
                                                                                                                                                                                                                                                                                I'm running an Athlon (really K7 Thunderbird) at 1.364 ghz on an A7V mb.
                                                                                                                                                                                                                                                                                I have 512meg memory and use Win98SE. My WU times run between 34,800
                                                                                                                                                                                                                                                                                and 36,000 seconds.
                                                                                                                                                                                                                                                                                I use 4.19 because I believe that the overhead associated with 4.45 uses
                                                                                                                                                                                                                                                                                1-3% of the CPU cycles. I hope that the new versions absolutely minimize
                                                                                                                                                                                                                                                                                overhead.


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                                                                                                                                                                                                                                                                                Joe B

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                                                                                                                                                                                                                                                                                Message 18604 - Posted 25 Sep 2005 16:36:44 UTC

                                                                                                                                                                                                                                                                                  OK, here are some speeds from my systems.

                                                                                                                                                                                                                                                                                  einstein_4.81_i686-pc-linux-gnu

                                                                                                                                                                                                                                                                                  AMD Sempron(tm) 2500+ cpu MHz : 1749.890 cache size : 256 KB

                                                                                                                                                                                                                                                                                  32100-32300 seconds (~9 hours)

                                                                                                                                                                                                                                                                                  AMD Athlon(tm) 64 Processor 3000+ (socket 754, PC2700 RAM) cpu MHz : 2010 cache size : 512 KB

                                                                                                                                                                                                                                                                                  26800-27100 seconds (~7,5 hours)

                                                                                                                                                                                                                                                                                  ____________

                                                                                                                                                                                                                                                                                  Bill Sturgeon
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                                                                                                                                                                                                                                                                                  Message 18608 - Posted 25 Sep 2005 17:53:54 UTC

                                                                                                                                                                                                                                                                                    Here are my two machines, they are both running xp:

                                                                                                                                                                                                                                                                                    Athlon 64 3700+ running slight overclock at 2.45 gig(stock is 2.4) 1mg cache socket 754, 1 gig corsair pc3200:
                                                                                                                                                                                                                                                                                    times a little over 19,000 for it, takes a bit over 5hrs per wu.

                                                                                                                                                                                                                                                                                    The other machine is a 2500+ barton core chip, running 512 meg of corsair pc3200:
                                                                                                                                                                                                                                                                                    the time for it's first wu is 25,128.39!!!

                                                                                                                                                                                                                                                                                    I don't think that's too bad for a lowly 2500+ athlon xp!!!
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                                                                                                                                                                                                                                                                                    Message 18683 - Posted 27 Sep 2005 16:12:18 UTC - in response to Message 18604.


                                                                                                                                                                                                                                                                                      AMD Athlon(tm) 64 X2 Dual Core Processor 4400+


                                                                                                                                                                                                                                                                                      2 * 24500 seconds (~6,8 hours)
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                                                                                                                                                                                                                                                                                      Profile Gary Roberts
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                                                                                                                                                                                                                                                                                      Message 18725 - Posted 28 Sep 2005 13:53:41 UTC - in response to Message 18608.


                                                                                                                                                                                                                                                                                        The other machine is a 2500+ barton core chip, running 512 meg of corsair pc3200:
                                                                                                                                                                                                                                                                                        the time for it's first wu is 25,128.39!!!

                                                                                                                                                                                                                                                                                        I don't think that's too bad for a lowly 2500+ athlon xp!!!


                                                                                                                                                                                                                                                                                        Hey, you need to give it a little hurry-up :). My Athlon XP 2500+ does results in around 21,700 secs. Yours is loafing along I think :).

                                                                                                                                                                                                                                                                                        Bill Michael
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                                                                                                                                                                                                                                                                                        Message 18735 - Posted 28 Sep 2005 20:07:51 UTC - in response to Message 18414.

                                                                                                                                                                                                                                                                                          AMD Athlon 64 3700+ (San Diego Core) barely overclocked to 105% - 5h 26m (19,553s) avg.


                                                                                                                                                                                                                                                                                          While it was unstable at 110% (2420MHz) at first, after a week or two of "burn in" at 105%, and upping the RAM from 256MB to 512MB, it's very happy at 110% now, still only 44 degrees C, all reports say I should be able to get quite a bit more out of it yet... Last couple of Einstein WUs were 5h 12m (18,745.09s) avg. SETI is just under an hour.

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                                                                                                                                                                                                                                                                                          Message 18737 - Posted 28 Sep 2005 20:21:51 UTC

                                                                                                                                                                                                                                                                                            PowerMac G5 Dual 2.7GHz, MacOS X 10.4.2:

                                                                                                                                                                                                                                                                                            SETI@Home: appr. 1h 15 min.
                                                                                                                                                                                                                                                                                            E@H: appr. 3h 45 min.

                                                                                                                                                                                                                                                                                            Measured floating point speed: 4934.05 million ops/sec
                                                                                                                                                                                                                                                                                            Measured integer speed: 18156.87 million ops/sec


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                                                                                                                                                                                                                                                                                            Message 18818 - Posted 30 Sep 2005 10:48:10 UTC

                                                                                                                                                                                                                                                                                              Any suggestions on how to speed it up? I haven't seen any optimized clients for E@H.
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                                                                                                                                                                                                                                                                                              Message 18822 - Posted 30 Sep 2005 12:16:27 UTC - in response to Message 18818.

                                                                                                                                                                                                                                                                                                Last modified: 30 Sep 2005 12:33:43 UTC

                                                                                                                                                                                                                                                                                                Any suggestions on how to speed it up? I haven't seen any optimized clients for E@H.


                                                                                                                                                                                                                                                                                                Bill,

                                                                                                                                                                                                                                                                                                You may want to go into the BIOS and adjust some settings - overclock it. By my calculation, Gary's machine is running at about 2.08GHz to finish WUs at 21700 sec. If I remember correctly, the 2500 default speed was 1.867GHz.
                                                                                                                                                                                                                                                                                                As the Barton core grew mature ( became available at 3200 speeds), AMD "speed-binned" them for their lower speed models, meaning that the CPUs that would not test reliably @3200 speed were stamped with lower speeds, somewhat randomly, and sold as such, to keep AMD supplying a complete product line. When they made those large wafers of cores, they didn't make one wafer for 3200 speeds and another for 2800, another for 2600, etc. The Barton core matured about 2 years ago, so if your 2500 is newer than that, it will accept an overclock, most reliably through upping the FrontSide Bus, or FSB setting. You can OC it mildly (5-7%) with few or no other alterations. Should you wish to go further, you may have to adjust the core voltage upward very slightly, and install a nore efficient heatsink.
                                                                                                                                                                                                                                                                                                If you're interested in going this route, post back and I will provide a link or two to overclocking guides, or you can search for them on your own.
                                                                                                                                                                                                                                                                                                If your budget permits, and your motherboard chipset is compatible with 200 FSB speeds, for DDR400 memory, I would suggest this processor http://www.newegg.com/Product/Product.asp?Item=N82E16819103436
                                                                                                                                                                                                                                                                                                It puts out very little heat, so is extremely good for OCing, and costs less than $100US.

                                                                                                                                                                                                                                                                                                Your WU times for the 2500 are right about where they should be for stock speeds, if you were doing some other work simultaneously that "distracted" your processor. I calculate that you might see optimum times around 24300 sec/WU at your default settings.

                                                                                                                                                                                                                                                                                                Thank you for your contributions to E@H.

                                                                                                                                                                                                                                                                                                microcraft

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                                                                                                                                                                                                                                                                                                Message 18864 - Posted 1 Oct 2005 3:55:25 UTC

                                                                                                                                                                                                                                                                                                  Thanks for the input Michael,
                                                                                                                                                                                                                                                                                                  I really don't want to overclock this 2500+, it has a stock cooling solution, and i don't know how long I will have it. I have, and do overclock, my 3700+ has a mild overclock on it, it has a Zalman cooler on it, and I am running a coolergiant ps. I am running an asus KV8-SE deluxe with a via chipset on it, it doesn't have that much in the of options to overclock in the bios, and this chip won't take much, so in the interest of stability and accuracy I only have it running at 2.45g.
                                                                                                                                                                                                                                                                                                  I really enjoy overclocking, just to see how fast I can make them go without them losing their smoke!!! I just don't think this is the app to trade stability for speed, the science is the first consideration here.
                                                                                                                                                                                                                                                                                                  I hope to put together at least a 4400 x2 next and be able to run it 24/7 crunching numbers, I really would like to be able to put together a dual proc opteron!!! I can't run my machine 24/7 right now, so I just try to maximize the time I can run them.
                                                                                                                                                                                                                                                                                                  Thanks for the suggestions again, and HAPPY CRUNCHING EVERBODY!!!!!

                                                                                                                                                                                                                                                                                                  http://www.boincstats.com/signature/user_235410.gif
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                                                                                                                                                                                                                                                                                                  Message 18878 - Posted 1 Oct 2005 9:02:41 UTC - in response to Message 18864.

                                                                                                                                                                                                                                                                                                    Thanks for the input Michael,
                                                                                                                                                                                                                                                                                                    I really don't want to overclock this 2500+, it has a stock cooling solution, and i don't know how long I will have it ...


                                                                                                                                                                                                                                                                                                    Bill,

                                                                                                                                                                                                                                                                                                    I must apologise for my previous tongue-in-cheek comments about your machine loafing. In my defence, I did insert a couple of smilies but I did omit to mention that my XP2500+ was running overclocked!! Michael is too smart not to work that out straight away. He gave a very good description of what happens when the chip manufacturing process matures. Suddenly most of the production is capable of 3000+ or 3200+ speeds but most of the market is at the cheaper end - eg 2500+. So you can imagine what the manufacturer must do. If it would make you happier we could simply erase the 2500 marking on the chip and replace it with 3200 and the chip can perform at that level quite happily.

                                                                                                                                                                                                                                                                                                    To prevent this happening too easily, AMD locks the multiplier. A standard Barton 2500+ runs at (multiplier x FSB) 11 x 166.66 = 1833 mHz. To produce a higher rated chip, AMD would set the multiplier higher eg 12 x 166.66 = 2.0 gHz and they would call it a XP2700+ (I think) or something like that. When they want to produce a 3200+ it's usually done by running at 200FSB with the multiplier back at 11. So if you are lucky enough to have a 2500+ which has just been marked at that because AMD needed the most popular speed, why not run it at 3200+ speed and see if it works. Many people have reported success with this and it really represents minimal danger to anything.

                                                                                                                                                                                                                                                                                                    That's exactly what I have done with a couple of my 2500+s. The secret is to put them in a good mobo where you can set the FSB in the BIOS to 200 and see if it will run. A lot do. Some may need a small tweak in Vcore to make them absolutely stable but it works a treat with reasonably low temperatures just on stock cooling.

                                                                                                                                                                                                                                                                                                    There are a lot of Urban Myths around about needing expensive third party coolers if you want to overclock. Like all things, commonsense should be your guide. It always amazes me that people will bolt on an expensive cooler and think that is all they need to do. In fact the most important thing is not the expensive cooler but rather the ambient temperature inside your case. Blowing already hot air with a screaming high velocity fan throught the fancy fins of an expensive custom heatsink is simply not going to work. The secret is making sure you have cool air inside your case - as cool as possible. Then you will get a big effect by blowing it a bit faster through the fins of a standard elcheapo aluminium heatsink. Very simply, I just remove the standard AMD 60mm fan and replace it with a 60mm x 90mm adapter and bolt on a 90mm fan. That fan at low speeds (nice and quiet) will shift more air anyway. By the time this is all bolted on top of the standard heat sink, the inlet to the 90mm fan is quite close to the side of the case. So I cut a nice circular hole in the side panel and put a filter and wire mesh finger screen to cover the hole. The cpu fan is then drawing the coolest possible air from outside the case and the cpu temperature stays nice and cool even at full loads while crunching 24/7. The other benefit is that because the air temperature inside the case is kept cooler, the PSU inlet air is also cooler and hence the whole box runs cooler.

                                                                                                                                                                                                                                                                                                    I have been running a large number of cpus ranging from Duron 1600s to Barton 2500+s and all are running between 2.1gHz and 2.25gHz on stock heatsinks with not a single problem for 2 years now. Of course I test every cpu for absolutely stable operation and acceptable temperatures. Today it's been 31C outside the building but a 2500+ crunching away at 2.2gHz has a cpu temperature of 47C and a case temperature of 30C. This box contributes to both EAH and LHC. With LHC, the validation is very strict and a result will be invalidated if it is not absolutely correct. I have no validation problems with either LHC or EAH.

                                                                                                                                                                                                                                                                                                    I'm not trying to get you to overclock your machine. You must do exactly what you are comfortable with. All I'm trying to do is to suggest that if someone must overclock, they should think carefully about the best way to keep the cpu cool and that doesn't necessarily mean spending a lot of money. People just need to do their research carefully and if you aren't fully sure of what you are doing then don't overclock.

                                                                                                                                                                                                                                                                                                    ____________
                                                                                                                                                                                                                                                                                                    Cheers,
                                                                                                                                                                                                                                                                                                    Gary.

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                                                                                                                                                                                                                                                                                                    Message 18912 - Posted 1 Oct 2005 14:31:39 UTC

                                                                                                                                                                                                                                                                                                      AMD would set the multiplier higher eg 12 x 166.66 = 2.0 gHz and they would call it a XP2700+ (I think) or something like that. When they want to produce a 3200+ it's usually done by running at 200FSB with the multiplier back at 11. So if you are lucky enough to have a 2500+ which has just been marked at that because AMD needed the most popular speed, why not run it at 3200+ speed and see if it works.


                                                                                                                                                                                                                                                                                                      Hey Gary,
                                                                                                                                                                                                                                                                                                      Got up this morn and said, what the heck, brought the fsb up to 200, it fired right up no probs so far!!! and showed it as being an xp3200+, then i brought the multiplier up to 12, that didn't seem to do anything, still showed 3200+ @ 2.2, guess we'll see how it runs......I wonder if the multiplier is locked down to 11? You have any knowledge of that? If it runs ok here I will try bumping the fsb up some more. It is a dfi board with an nf2 chipset, think it will take a lot of over clock.
                                                                                                                                                                                                                                                                                                      I run E@H and S@H on this machine, think I will bring down an optimized client for seti and use that for testing, should give me some feedback a lot quicker on if it is returning valid results. I'll let you know what happens.

                                                                                                                                                                                                                                                                                                      Happy Crunching,
                                                                                                                                                                                                                                                                                                      Bill
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                                                                                                                                                                                                                                                                                                      Message 18941 - Posted 1 Oct 2005 21:17:25 UTC

                                                                                                                                                                                                                                                                                                        Ran just fine with the 200 fsb, ran 20,901.42 sec for the last wu, thanks for the tip!!! BTW me 3700+ does wu's in hight 18,000's to mid 19,000's, not that much faster!!!

                                                                                                                                                                                                                                                                                                        Bill
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                                                                                                                                                                                                                                                                                                        Michael Roycraft
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                                                                                                                                                                                                                                                                                                        Message 18946 - Posted 1 Oct 2005 22:24:22 UTC - in response to Message 18941.

                                                                                                                                                                                                                                                                                                          Ran just fine with the 200 fsb, ran 20,901.42 sec for the last wu, thanks for the tip!!! BTW me 3700+ does wu's in hight 18,000's to mid 19,000's, not that much faster!!!

                                                                                                                                                                                                                                                                                                          Bill


                                                                                                                                                                                                                                                                                                          Bill,

                                                                                                                                                                                                                                                                                                          Congratulations on your free upgrade. You now have a $250US processor from a $90US one. :)

                                                                                                                                                                                                                                                                                                          ____________
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                                                                                                                                                                                                                                                                                                          "The arc of history is long, but it bends toward justice" - MLK

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                                                                                                                                                                                                                                                                                                          Message 18949 - Posted 1 Oct 2005 23:11:48 UTC - in response to Message 18912.

                                                                                                                                                                                                                                                                                                            Last modified: 2 Oct 2005 7:56:23 UTC


                                                                                                                                                                                                                                                                                                            ... Got up this morn and said, what the heck, brought the fsb up to 200, it fired right up no probs so far!!! and showed it as being an xp3200+, then i brought the multiplier up to 12, that didn't seem to do anything, still showed 3200+ @ 2.2, guess we'll see how it runs......


                                                                                                                                                                                                                                                                                                            Your multiplier is locked (fortunately!!!) by AMD and is still 11 even though you tried to set it to 12. That setting is simply ignored by the chip. What you did was a bit crazy!! Think about it ... You were trying to run the chip at 2.4 gHz (12 x 200) and that's way too big an increase in just one step. Put it back to 11 and be happy!! Looks like you have a good one but the fact it boots and seems to run OK is no guarantee that it is perfectly stable. You don't mention changing the cpu voltage (Vcore) so I assume it is still stock (1.65 volts). If it is then things are great and you have a good chip that is capable of XP3200+ speeds as they are really designed to do anyway.

                                                                                                                                                                                                                                                                                                            There are a whole lot more things you should check before walking away and forgetting about it. You need a temperature monitoring program running in Windows to check the cpu temp under full load. It is going to be running hotter at 2.2gHz than before. If you havn't had to adjust the Vcore then temperature shouldn't be a problem. There are good free programs out there to do the job. Google is your friend!! :). I would also seriously recommend doing whatever it takes to keep the internal case temperature as cool as possible. You don't have to go as far as I mentioned in my previous post but reread it anyway and understand the advice. You also need to do the "Basic Overclocking 101" course :). By that I mean - use Google to research websites that have basic overclocking guides that spell it all out. There's a lot to learn and understand if you want to know you aren't doing something stupid. Overclocking is risky if you don't do the basic research and devekop an understanding. Overclocking is safe if done with understanding and care and caution!!!

                                                                                                                                                                                                                                                                                                            You also need a good stability checking program that stresses your system and reports if it breaks. Prime95 is regarded by many as a good choice and if a chip is reported as "Prime Stable" then the overclock is good.

                                                                                                                                                                                                                                                                                                            There are a whole lot more things you should check on, things that are way beyond the scope of this thread. Very good guides and "howto"s litter the internet and are easily found with Google. It's a fascinating area for study.

                                                                                                                                                                                                                                                                                                            If it runs ok here I will try bumping the fsb up some more. It is a dfi board with an nf2 chipset, think it will take a lot of over clock.
                                                                                                                                                                                                                                                                                                            I run E@H and S@H on this machine, think I will bring down an optimized client for seti and use that for testing, should give me some feedback a lot quicker on if it is returning valid results. I'll let you know what happens.


                                                                                                                                                                                                                                                                                                            You have a good overclocking board and you have the potential to get more out of that chip through FSB overclocking but take it easy and check temperatures and check stability before you start submitting invalid results :). I have noticed that LHC is one of the best for giving invalid results as soon as there is the slightest hint of instability in the cpu. Their validation procedures must be pretty strict (ie an exact match is required, I think).

                                                                                                                                                                                                                                                                                                            Good luck!! and do the research!! :).

                                                                                                                                                                                                                                                                                                            ____________
                                                                                                                                                                                                                                                                                                            Cheers,
                                                                                                                                                                                                                                                                                                            Gary.

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                                                                                                                                                                                                                                                                                                            Message 18950 - Posted 1 Oct 2005 23:22:35 UTC - in response to Message 18941.

                                                                                                                                                                                                                                                                                                              Ran just fine with the 200 fsb, ran 20,901.42 sec for the last wu, thanks for the tip!!! BTW me 3700+ does wu's in hight 18,000's to mid 19,000's, not that much faster!!!


                                                                                                                                                                                                                                                                                                              Your result has also been validated so there can't be too much wrong with your stability. Your machine is also now being reported on the website as a XP3200+ so as Michael says, "Enjoy your free upgrade!!"

                                                                                                                                                                                                                                                                                                              ____________
                                                                                                                                                                                                                                                                                                              Cheers,
                                                                                                                                                                                                                                                                                                              Gary.

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                                                                                                                                                                                                                                                                                                              Message 18965 - Posted 2 Oct 2005 6:40:27 UTC

                                                                                                                                                                                                                                                                                                                LHC@Home, an exact match is required ... is a true statement. THis is why there is no OS-X version ... also, they have had some off and on problems with some chips against other chips ... VERY little tolerance for errors ...
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                                                                                                                                                                                                                                                                                                                Message 18984 - Posted 2 Oct 2005 15:17:37 UTC

                                                                                                                                                                                                                                                                                                                  Hey guys,
                                                                                                                                                                                                                                                                                                                  Thanks for the info on that barton core. I ran an athlon 64 3000+ last year and got a lot of overclock on it, my 3700+ doesn't seem to want to overclock much, have it running at 2.45 instead of 2.4, had no idea how easy and how much you could get out of the barton. Neither one of those chips showed up as anything diff in windows, their speeds were faster, but the chip designation never changed. With the barton being recognized as a 3200+ now, guess that's what the chip "really" is? I fiddled with the fsb a little bit more yesterday, but to no avail. I really don't feel like messing with the voltages, I did bump voltages when running up my 3000+, both cpu and mem, I have a feeling any more increases from here will be incremental, not as drastic as what I have already gotten out of it.
                                                                                                                                                                                                                                                                                                                  Thanks again you Gary for the info on that chip. The machine is now doing about 4 wu's a day instead of @3!! May be insignificant numbers when looking at the entire project, but every wu crunched helps. I just wish I were able to run my machines 24/7 :-(
                                                                                                                                                                                                                                                                                                                  I have read it else where, and I will repeat it, too bad we can't take advantage of the processing power of our video cards. My 3700+ machine used to play games, it has a 6800gt OC with 256mg of ddr3 on it, and I have been able to overclock it quite a bit. Now that card just sets there idle, no games anymore, machine just crunches. I do realize that we can't use that power, but what a shame to have a $400 video card just setting there idle.

                                                                                                                                                                                                                                                                                                                  Bill
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                                                                                                                                                                                                                                                                                                                  Michael Roycraft
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                                                                                                                                                                                                                                                                                                                  Message 23510 - Posted 15 Dec 2005 20:36:20 UTC

                                                                                                                                                                                                                                                                                                                    Last modified: 15 Dec 2005 20:38:18 UTC

                                                                                                                                                                                                                                                                                                                    Not exactly a WU speed, but closer to this topic than to Milestones. I've just last night finished crunching 24 WUs in 5 days (12/10-12/14), on a single Barton-core Athlon.
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                                                                                                                                                                                                                                                                                                                    microcraft
                                                                                                                                                                                                                                                                                                                    "The arc of history is long, but it bends toward justice" - MLK

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                                                                                                                                                                                                                                                                                                                    Message 24535 - Posted 31 Dec 2005 19:01:50 UTC

                                                                                                                                                                                                                                                                                                                      This "Best 3150" laptop from 1999 had reached the end of its useful life in production use. I replaced the defunct Windows 98 with Debian and now the machine serves as a surfboard@home and crunches for Einstein@home. Recent average credit usually varies between 30-40. CPU time per WU is 160...165 ks and claimed credit about 90.

                                                                                                                                                                                                                                                                                                                      Created 23 Sep 2005 18:08:18 UTC Total Credit 2,919.82 Recent average credit 34.55 CPU type GenuineIntel Celeron (Mendocino) Number of CPUs 1 Operating System Linux 2.6.12-1-686 Memory 187.47 MB Cache 976.56 KB Swap space 184.53 MB Total disk space 3.71 GB Measured floating point speed 389.29 million ops/sec Measured integer speed 528.72 million ops/sec Average upload rate 0.56 KB/sec Average download rate 34.52 KB/sec Average turnaround time 2.14 days Number of times client has contacted server 85 Last time contacted server 31 Dec 2005 17:36:20 UTC % of time BOINC client is running 99.977 % While BOINC running, % of time work is allowed 99.2703 % Average CPU efficiency 0.932255 Result duration correction factor 1.306171

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                                                                                                                                                                                                                                                                                                                      Message 24536 - Posted 31 Dec 2005 19:07:20 UTC

                                                                                                                                                                                                                                                                                                                        Very little variation from ~ 8hrs 20 min on EAH wu on my P4 2.8 ghz 512kb L2 with the einstein 4.79.
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                                                                                                                                                                                                                                                                                                                        Message 24571 - Posted 1 Jan 2006 7:48:19 UTC - in response to Message 5876.

                                                                                                                                                                                                                                                                                                                          It did average 42,000sec, then I did a defrag & reinstall everthing but Office Pro, onto my computer. Now my Average time is 9,100-8,800 sec.

                                                                                                                                                                                                                                                                                                                          Running Setie @ the same time @ 50%
                                                                                                                                                                                                                                                                                                                          Running Einstein @ 66.67% (using VR RAM)
                                                                                                                                                                                                                                                                                                                          P4 3ghz 2gig RAM + 1064gig VR-RAM
                                                                                                                                                                                                                                                                                                                          XP Pro
                                                                                                                                                                                                                                                                                                                          Laptop


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                                                                                                                                                                                                                                                                                                                          Message 24601 - Posted 1 Jan 2006 21:02:17 UTC

                                                                                                                                                                                                                                                                                                                            I would like to share comparisons of two Athlon XP 2800's.

                                                                                                                                                                                                                                                                                                                            host 422996 runs with Window XP Home and on Einstein averaged 22239.78 sec, 69.93 claimed credit and 71.74 granted credit.

                                                                                                                                                                                                                                                                                                                            host 443142 runs Linspire linux 2.6.10 and on Einstein averaged 28039.41 sec, 88.93 claimed and 76.98 granted.

                                                                                                                                                                                                                                                                                                                            Windows took 6.19 hours and Linux took 7.79 hours and these were my best Einstein crunchers.

                                                                                                                                                                                                                                                                                                                            But now with Albert I have this

                                                                                                                                                                                                                                                                                                                            422996 does 14557.01 sec, 50.65 claimed, 46.13 granted

                                                                                                                                                                                                                                                                                                                            443142 does 5335.54 sec, 16.94 claimed, 15.63 granted

                                                                                                                                                                                                                                                                                                                            The alberts with Linux are taking are taking 37 percent of the time of the Windows ones and getting 34 percent of the credit of the Windows machine.

                                                                                                                                                                                                                                                                                                                            Both machines have BOINC 5.2.13 but I also use optimized BOINC's by Crunch3r and both machines do Seti@home also. The linux machine does LHC when it's available but the Windows machine could never get a valid LHC result. I don't know whether to blame the Kingston ram I put in it or the refurb Gigabyte mobo.

                                                                                                                                                                                                                                                                                                                            Regards,

                                                                                                                                                                                                                                                                                                                            Pam





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                                                                                                                                                                                                                                                                                                                            Message 24608 - Posted 1 Jan 2006 22:32:09 UTC - in response to Message 24601.

                                                                                                                                                                                                                                                                                                                              But now with Albert I have this

                                                                                                                                                                                                                                                                                                                              422996 does 14557.01 sec, 50.65 claimed, 46.13 granted

                                                                                                                                                                                                                                                                                                                              443142 does 5335.54 sec, 16.94 claimed, 15.63 granted

                                                                                                                                                                                                                                                                                                                              The alberts with Linux are taking are taking 37 percent of the time of the Windows ones and getting 34 percent of the credit of the Windows machine.

                                                                                                                                                                                                                                                                                                                              Both machines have BOINC 5.2.13 but I also use optimized BOINC's by Crunch3r and both machines do Seti@home also. The linux machine does LHC when it's available but the Windows machine could never get a valid LHC result. I don't know whether to blame the Kingston ram I put in it or the refurb Gigabyte mobo.

                                                                                                                                                                                                                                                                                                                              Regards,

                                                                                                                                                                                                                                                                                                                              Pam
                                                                                                                                                                                                                                                                                                                              >Hi, Pam.....it's possible you are comparing apples and oranges with the 'Alberts'. There is an variety of these new WUs and they don't have consistant processing times like the old 'Einstein' WUs. They are all called 'Alberts' but the low frequency versions complete in approximately 30% of the time of the 'Einsteins' and the higher frequency ones closer to 'Einstein' times. It's possible one machine (443142) has the faster WU and the other the ones that take more processing. Re. the Kingston RAM: I've had no problems with that brand. Hope this helps....Cheers, Rog.



                                                                                                                                                                                                                                                                                                                              [/quote]

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                                                                                                                                                                                                                                                                                                                              Message 24613 - Posted 1 Jan 2006 23:11:26 UTC - in response to Message 24608.


                                                                                                                                                                                                                                                                                                                                >Hi, Pam.....it's possible you are comparing apples and oranges with the 'Alberts'. There is an variety of these new WUs and they don't have consistant processing times like the old 'Einstein' WUs. They are all called 'Alberts' but the low frequency versions complete in approximately 30% of the time of the 'Einsteins' and the higher frequency ones closer to 'Einstein' times. It's possible one machine (443142) has the faster WU and the other the ones that take more processing. Re. the Kingston RAM: I've had no problems with that brand. Hope this helps....Cheers, Rog.



                                                                                                                                                                                                                                                                                                                                Hi, Rog, thanks for pointing that out. I remembered that there were different processing times but I forgot a host gets work units from the same set of data until that set is all sent out. Or something like that. I guess eventually, the two machines could switch types of Alberts.

                                                                                                                                                                                                                                                                                                                                Regards,

                                                                                                                                                                                                                                                                                                                                Pam


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                                                                                                                                                                                                                                                                                                                                Message 24697 - Posted 2 Jan 2006 22:41:00 UTC - in response to Message 24613.

                                                                                                                                                                                                                                                                                                                                  [quote]
                                                                                                                                                                                                                                                                                                                                  I remembered that there were different processing times but I forgot a host gets work units from the same set of data until that set is all sent out. Or something like that. I guess eventually, the two machines could switch types of Alberts.


                                                                                                                                                                                                                                                                                                                                  >Right on, Pam.....have a great New Year....Cheers, Rog.
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                                                                                                                                                                                                                                                                                                                                  Message 24724 - Posted 3 Jan 2006 8:05:10 UTC - in response to Message 24613.

                                                                                                                                                                                                                                                                                                                                    I remembered that there were different processing times but I forgot a host gets work units from the same set of data until that set is all sent out. Or something like that. I guess eventually, the two machines could switch types of Alberts.

                                                                                                                                                                                                                                                                                                                                    I have work on the G5 that are 51 minutes, and now some that are listed at 3.5 hours ... have not completed one so not sure how long it will be really ...

                                                                                                                                                                                                                                                                                                                                    Though I got another selection of 51 minute ones agian ... it will be interesting to see the mixes and what the timings are like. I am seeing a much wider variance on the WIndows machines with times from my prior ~12 hours down to 4 hours ...
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                                                                                                                                                                                                                                                                                                                                    Message 24795 - Posted 4 Jan 2006 17:17:20 UTC

                                                                                                                                                                                                                                                                                                                                      On my dual P3 800 the processing times for the new albert app have been in the range of 4-4.25 hours. With the einstein app processing times were just over 19 hours.

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                                                                                                                                                                                                                                                                                                                                      Message 24808 - Posted 4 Jan 2006 20:55:48 UTC

                                                                                                                                                                                                                                                                                                                                        Last modified: 4 Jan 2006 20:57:40 UTC

                                                                                                                                                                                                                                                                                                                                        hrm..had my first data glitch on EAH and it's on the albert app

                                                                                                                                                                                                                                                                                                                                        1/4/2006 3:30:32 PM|Einstein@Home|Result r1_0770.0__432_S4R2a_1 exited with zero status but no 'finished' file
                                                                                                                                                                                                                                                                                                                                        1/4/2006 3:30:32 PM|Einstein@Home|If this happens repeatedly you may need to reset the project.
                                                                                                                                                                                                                                                                                                                                        1/4/2006 3:30:32 PM||request_reschedule_cpus: process exited
                                                                                                                                                                                                                                                                                                                                        1/4/2006 3:30:32 PM|Einstein@Home|Restarting result r1_0770.0__432_S4R2a_1 using albert version 437

                                                                                                                                                                                                                                                                                                                                        we'll see if it's a random, or a continuing problem.
                                                                                                                                                                                                                                                                                                                                        Crunching times seem stable at 5 hrs 12 - 15 min on a P4 Prescott, 512L2, 2.8ghz 400 ddr.
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                                                                                                                                                                                                                                                                                                                                        Message 24839 - Posted 5 Jan 2006 2:15:29 UTC

                                                                                                                                                                                                                                                                                                                                          Last modified: 5 Jan 2006 2:25:19 UTC

                                                                                                                                                                                                                                                                                                                                          another glitch
                                                                                                                                                                                                                                                                                                                                          Granted, I have not done a massive amount of EAH WU, but the first two I've ever had came after Albert and on the heals of each other.

                                                                                                                                                                                                                                                                                                                                          1/4/2006 8:29:18 PM|Einstein@Home|Result r1_0770.0__431_S4R2a_0 exited with zero status but no 'finished' file
                                                                                                                                                                                                                                                                                                                                          1/4/2006 8:29:18 PM|Einstein@Home|If this happens repeatedly you may need to reset the project.
                                                                                                                                                                                                                                                                                                                                          1/4/2006 8:29:18 PM||request_reschedule_cpus: process exited
                                                                                                                                                                                                                                                                                                                                          1/4/2006 8:29:18 PM|Einstein@Home|Restarting result r1_0770.0__431_S4R2a_0 using albert version 437

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                                                                                                                                                                                                                                                                                                                                          Message 24849 - Posted 5 Jan 2006 2:33:57 UTC

                                                                                                                                                                                                                                                                                                                                            NIMRUTH: You do not have enought ram to support the project or your CPU/OS. I consider this a help thread. I have at least 1 Sempron 3100 running at 2.4ghz. Check the forums. There is a huge amount of info out there on optimizing your system. 256 meg of ram at your rated speed is crippling your rig. If your mobo does not allow you to adjust HTT and change ram dividers, at least get a stick of 512.

                                                                                                                                                                                                                                                                                                                                            Regards-tweakster


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                                                                                                                                                                                                                                                                                                                                            Message 25260 - Posted 9 Jan 2006 22:31:34 UTC

                                                                                                                                                                                                                                                                                                                                              With an AMD 939 3500 a gig of ram not in sync (3200) running xp pro svc pack 2, I am getting times of 4 hours on albert! not to shabby ehh?

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                                                                                                                                                                                                                                                                                                                                              Message 25264 - Posted 9 Jan 2006 23:32:38 UTC

                                                                                                                                                                                                                                                                                                                                                My AMD Athlon 64 3500+ completes the new Alberts right at 4.0 hours.

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                                                                                                                                                                                                                                                                                                                                                Message 25267 - Posted 9 Jan 2006 23:52:08 UTC

                                                                                                                                                                                                                                                                                                                                                  Last modified: 9 Jan 2006 23:58:00 UTC

                                                                                                                                                                                                                                                                                                                                                  Also -

                                                                                                                                                                                                                                                                                                                                                  My AMD Sempron 2500+ crunches Alberts at a little over 5.5 hours each.
                                                                                                                                                                                                                                                                                                                                                  My AMD Athlon XP 2000+ crunches Alberts at a little under 6.5 hours.
                                                                                                                                                                                                                                                                                                                                                  My AMD Athlon Tbird running at 1.4 GHz crunches Alberts at 7.0 hours.
                                                                                                                                                                                                                                                                                                                                                  My AMD Athlon Tbird running at 1.1 GHz crunches Alberts at 8.5 hours.

                                                                                                                                                                                                                                                                                                                                                  Interestingly, my Intel Celeron 1.8 GHz varies widely on the new Alberts.
                                                                                                                                                                                                                                                                                                                                                  Sample size of over 15 with the times ranging from 9.25 - 11.0 hours each...

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                                                                                                                                                                                                                                                                                                                                                  Message 25297 - Posted 10 Jan 2006 4:53:11 UTC

                                                                                                                                                                                                                                                                                                                                                    A couple of things to mentions for my rigs.

                                                                                                                                                                                                                                                                                                                                                    First, my P4 3.2 gig seems to be running the latest alberts in ~7 1/4 hrs -- with two running simultaneously; my laptop pent. M at 1.6 gig runs one at ~6 1/2 hrs; my PIII 866 runs alberts at around ~16 hours or so.

                                                                                                                                                                                                                                                                                                                                                    Second, I think the coolest thing is my 866, believe it or not. If I had not found out about E@H earlier last year before I upgraded, that old rig would have been given away or trashed because it was 'too old for anyone to want.' Now, of course, it sits under my bed with a cable running to my router and it crunches einsteins 24/7 until it runs itself into the ground; probably several years or more. It's a cool thing to run older machines for nothing but boinc science!! Hey, every little bit helps.

                                                                                                                                                                                                                                                                                                                                                    Even better, I'm hitting up friends who might upgrade in the next year or so, who might otherwise give their machines to the computer store to scrap, to give their machines with an ethernet card to me so I can crunch more einsteins and rosettas, but mostly einsteins. THAT, fellow einsteins, is coolest!

                                                                                                                                                                                                                                                                                                                                                    But there is something odd that has been happening that I do need to mention: my RACs have been actually DECREASING since I changed my preferences to run 2 CPUs on my 3.2 gig rig (up from one). How can this be? I should be getting higher RACs running simultaneously, not lower ones.(?)
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                                                                                                                                                                                                                                                                                                                                                    Message 25312 - Posted 10 Jan 2006 10:09:47 UTC

                                                                                                                                                                                                                                                                                                                                                      RAC is heavily biased towards the RATE at which work is returned. So, you are doing more, yet the speed at which the results are returning has slowed (you take longer with each result). This lowers the RAC.

                                                                                                                                                                                                                                                                                                                                                      Which is why many of us tell you to not get that wound up with RAC. It is like the gas guage in the car, an indicator of something, just not a very accurate one. If we were doing a pure average (or moving average) you would not have noticed the difference.
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                                                                                                                                                                                                                                                                                                                                                      Message 25816 - Posted 18 Jan 2006 15:36:29 UTC

                                                                                                                                                                                                                                                                                                                                                        Last modified: 18 Jan 2006 15:39:09 UTC

                                                                                                                                                                                                                                                                                                                                                        a little under 1 hr 50 mins. after reading the hyperthread bit i have a question tho. am benching measured integer over 6400 but einstien only sees one processor but should see 2 right and get an increase in benchmarks? more ram faster for boinc since its cpu intensive? its an oddball so probably just a windoze driver. running xpsp1 220*7 / 1555 mhz, 512 ram. its a clawhammer sse, sse2, etc, 64k l1 1mb l2 socket 754. running boinc 5.2.13 albert 4.37. also, under device mgr / system; numeric data processor (no drivers installed tho driver signing says msoft xp...)? not sure if i shouldnt just leave a good thing running :)
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                                                                                                                                                                                                                                                                                                                                                        Michael Karlinsky
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                                                                                                                                                                                                                                                                                                                                                        Message 25817 - Posted 18 Jan 2006 15:42:12 UTC - in response to Message 25816.

                                                                                                                                                                                                                                                                                                                                                          a little under 1 hr 50 mins. after reading the hyperthread bit i have a question tho. am benching measured integer over 6400 but einstien only sees one processor but should see 2 right and get an increase in benchmarks? more ram faster for boinc since its cpu intensive? its an oddball so probably just a windoze driver. running xpsp1 220*7 / 1555 mhz, 512 ram. its a clawhammer sse, sse2, etc, 64k l1 1mb l2 socket 754. running boinc 5.2.13 albert 4.37. also, under device mgr / system; numeric data processor (no drivers installed tho driver signing says msoft xp...)? not sure if i shouldnt just leave a good thing running :)


                                                                                                                                                                                                                                                                                                                                                          Hyperthreading is a feature of Intel CPUs. You have an AMD. So Einstein
                                                                                                                                                                                                                                                                                                                                                          is correct about the number of CPUs.

                                                                                                                                                                                                                                                                                                                                                          Michael
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                                                                                                                                                                                                                                                                                                                                                          Message 25818 - Posted 18 Jan 2006 15:46:02 UTC

                                                                                                                                                                                                                                                                                                                                                            Last modified: 18 Jan 2006 16:14:36 UTC

                                                                                                                                                                                                                                                                                                                                                            smack me stoopid <duh>.
                                                                                                                                                                                                                                                                                                                                                            are the benchmarks really that far off? i seem to be stompin machines which i shouldnt be.
                                                                                                                                                                                                                                                                                                                                                            thanks!
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                                                                                                                                                                                                                                                                                                                                                            Message 25823 - Posted 18 Jan 2006 16:35:31 UTC

                                                                                                                                                                                                                                                                                                                                                              To put it kindly, the benchmarks are not worth the paper they are written on ...

                                                                                                                                                                                                                                                                                                                                                              The problem has been there has been nothing to replace them. There is now, which is why the new SETI@Home application will, in conjunction with the later generation BOINC Client software go to a FLOPS counting method (well, pseudo-FLOPS counting as they don't count each and every one). This gives a more stable credit claim so that there is no longer the problem where on participant claims 200 Cobbelstones and another for the same unit of work will claim 25 ...

                                                                                                                                                                                                                                                                                                                                                              Current experience is showing a variance well under 5% ... when the new application is fielded, we shall have to see what we actually experience "in the wild" so to speak. This will not immediately solve all the problems as there will be those that will want to run the oldest version of BOINC they can get away with ... :)

                                                                                                                                                                                                                                                                                                                                                              BUt, with the current averaging, and as we get more people using the more current versions of the BOINC Client software this whole nightmare will pass ... at least on SETI@Home ... then we have to, ahem, encourage the other projects to make the changes needed to implement the improved system. And it cannot happen soon enough for me ... :)
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                                                                                                                                                                                                                                                                                                                                                              Message 25825 - Posted 18 Jan 2006 16:43:55 UTC - in response to Message 25823.

                                                                                                                                                                                                                                                                                                                                                                glad to c progress is being made- cant wait for a level field... i feel like the v8 comercial

                                                                                                                                                                                                                                                                                                                                                                To put it kindly, the benchmarks are not worth the paper they are written on ...

                                                                                                                                                                                                                                                                                                                                                                The problem has been there has been nothing to replace them. There is now, which is why the new SETI@Home application will, in conjunction with the later generation BOINC Client software go to a FLOPS counting method (well, pseudo-FLOPS counting as they don't count each and every one). This gives a more stable credit claim so that there is no longer the problem where on participant claims 200 Cobbelstones and another for the same unit of work will claim 25 ...

                                                                                                                                                                                                                                                                                                                                                                Current experience is showing a variance well under 5% ... when the new application is fielded, we shall have to see what we actually experience "in the wild" so to speak. This will not immediately solve all the problems as there will be those that will want to run the oldest version of BOINC they can get away with ... :)

                                                                                                                                                                                                                                                                                                                                                                BUt, with the current averaging, and as we get more people using the more current versions of the BOINC Client software this whole nightmare will pass ... at least on SETI@Home ... then we have to, ahem, encourage the other projects to make the changes needed to implement the improved system. And it cannot happen soon enough for me ... :)


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                                                                                                                                                                                                                                                                                                                                                                Message 25833 - Posted 18 Jan 2006 22:28:47 UTC - in response to Message 25825.

                                                                                                                                                                                                                                                                                                                                                                  glad to c progress is being made- cant wait for a level field... i feel like the v8 comercial

                                                                                                                                                                                                                                                                                                                                                                  Well, you can still have a V8 ...
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                                                                                                                                                                                                                                                                                                                                                                  Message 25834 - Posted 18 Jan 2006 23:29:48 UTC

                                                                                                                                                                                                                                                                                                                                                                    Last modified: 18 Jan 2006 23:30:04 UTC

                                                                                                                                                                                                                                                                                                                                                                    With all the different sizes of WUs in albert, this thread is totally irrelevant. Nobody's figure means anything compared to anyone else's, or even to what they may have next week. May as well close it.
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                                                                                                                                                                                                                                                                                                                                                                    Message 25837 - Posted 19 Jan 2006 0:20:20 UTC - in response to Message 25834.

                                                                                                                                                                                                                                                                                                                                                                      i disagree; just click on the name on the left to c what theyre working with and compare that to other machines and the specs of those compared to their computing time. i have seen a few units that i did in 6k secs someone else took 22k on. on the benchmarks, the the floating point is uaually a good reference but the measured integer seems vary a lot.

                                                                                                                                                                                                                                                                                                                                                                      With all the different sizes of WUs in albert, this thread is totally irrelevant. Nobody's figure means anything compared to anyone else's, or even to what they may have next week. May as well close it.


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                                                                                                                                                                                                                                                                                                                                                                      Message 25838 - Posted 19 Jan 2006 2:14:13 UTC - in response to Message 25837.

                                                                                                                                                                                                                                                                                                                                                                        Last modified: 19 Jan 2006 2:15:08 UTC

                                                                                                                                                                                                                                                                                                                                                                        i disagree; just click on the name on the left to c what theyre working with and compare that to other machines and the specs of those compared to their computing time. i have seen a few units that i did in 6k secs someone else took 22k on. on the benchmarks, the the floating point is uaually a good reference but the measured integer seems vary a lot.


                                                                                                                                                                                                                                                                                                                                                                        That only applies within a particular WU. If you click on mine and check a WU, you'll find I do them in 3750 secs, but that doesn't make my rig 60% faster than yours, bacause I'm working on smaller WUs. You can't compare apples and oranges. The thread was for the old days of einstein WUs, where they were all the same size. Then it had some significance.


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                                                                                                                                                                                                                                                                                                                                                                        Message 25839 - Posted 19 Jan 2006 3:21:05 UTC - in response to Message 25838.

                                                                                                                                                                                                                                                                                                                                                                          Last modified: 19 Jan 2006 3:36:02 UTC

                                                                                                                                                                                                                                                                                                                                                                          takes a little math; youre averaging 165.38 seconds per claimed credit; i am running 221.13 so that would make you about 1.3 x faster than me. only done on the last reported work so more math would make it more accurate, but it works. nice specs; whatcha running?

                                                                                                                                                                                                                                                                                                                                                                          That only applies within a particular WU. If you click on mine and check a WU, you'll find I do them in 3750 secs, but that doesn't make my rig 60% faster than yours, bacause I'm working on smaller WUs. You can't compare apples and oranges. The thread was for the old days of einstein WUs, where they were all the same size. Then it had some significance.



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                                                                                                                                                                                                                                                                                                                                                                          Message 25844 - Posted 19 Jan 2006 4:16:51 UTC - in response to Message 25839.

                                                                                                                                                                                                                                                                                                                                                                            Last modified: 19 Jan 2006 4:18:46 UTC

                                                                                                                                                                                                                                                                                                                                                                            takes a little math; youre averaging 165.38 seconds per claimed credit; i am running 221.13 so that would make you about 1.3 x faster than me. only done on the last reported work so more math would make it more accurate, but it works. nice specs; whatcha running?


                                                                                                                                                                                                                                                                                                                                                                            jl,

                                                                                                                                                                                                                                                                                                                                                                            Even comparing credit/sec doesn't work in this case. I'm also doing Seti, and running an optimized Seti app for faster production there, and using an optimized (higher benchmarking) Boinc client to keep those credit claims at near-normal levels. Fine, as far as Seti goes, more production should be rewarded with more credit. The stickler comes when Einstein is in the mix. Because there is no Einstein optimized app, the high-marking Boinc client skews my credit clains upward, and thus the claim/sec is out with the dishwater. Other than that, your measure is a good one, and would apply well in ordinary circumstances.

                                                                                                                                                                                                                                                                                                                                                                            My rig is described here, at Warhawk's request. It's 5hr Einstein times made it one of the fastest single-proc rigs on Windows.

                                                                                                                                                                                                                                                                                                                                                                            Regards,

                                                                                                                                                                                                                                                                                                                                                                            Michael
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                                                                                                                                                                                                                                                                                                                                                                            Message 25857 - Posted 19 Jan 2006 14:13:19 UTC - in response to Message 25844.

                                                                                                                                                                                                                                                                                                                                                                              Last modified: 19 Jan 2006 14:18:01 UTC

                                                                                                                                                                                                                                                                                                                                                                              wish i could get an einstien or 2 to compare. if all alberts were the same you are actually running almost twice as fast as i- little over an hour per? nice! if the others skew you up that seems like a good thing- usually i am the high guesser in this game and get drug down, but i m new so not much to complare to. they have the linux of this newer boinc optimised (raised someone's i think from 50's to 100's but cant remember) and they were waiting on visual studio 2006 for the doze version. i used your reported not credited results to avoid others skew.
                                                                                                                                                                                                                                                                                                                                                                              i m gonna hafta dust off the socket a and boinc bench- to me it seems the amd64's arent holding a candle to the older ones... but then we were used to running at 2 ghz cheep now its expensive to get over 2.2 ghz... gotta love it; my newer technology is physically running slower than my old one. and by a lot.



                                                                                                                                                                                                                                                                                                                                                                              jl,

                                                                                                                                                                                                                                                                                                                                                                              Even comparing credit/sec doesn't work in this case. I'm also doing Seti, and running an optimized Seti app for faster production there, and using an optimized (higher benchmarking) Boinc client to keep those credit claims at near-normal levels. Fine, as far as Seti goes, more production should be rewarded with more credit. The stickler comes when Einstein is in the mix. Because there is no Einstein optimized app, the high-marking Boinc client skews my credit clains upward, and thus the claim/sec is out with the dishwater. Other than that, your measure is a good one, and would apply well in ordinary circumstances.

                                                                                                                                                                                                                                                                                                                                                                              My rig is described here, at Warhawk's request. It's 5hr Einstein times made it one of the fastest single-proc rigs on Windows.

                                                                                                                                                                                                                                                                                                                                                                              Regards,

                                                                                                                                                                                                                                                                                                                                                                              Michael


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                                                                                                                                                                                                                                                                                                                                                                              Message 25869 - Posted 19 Jan 2006 15:29:24 UTC

                                                                                                                                                                                                                                                                                                                                                                                Not to be difficult, but there is an optimized Einstein@Home application. It runs on the G4/G5 using Altivec ...
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                                                                                                                                                                                                                                                                                                                                                                                Message 25880 - Posted 19 Jan 2006 19:59:28 UTC - in response to Message 25869.

                                                                                                                                                                                                                                                                                                                                                                                  Not to be difficult, but there is an optimized Einstein@Home application. It runs on the G4/G5 using Altivec ...


                                                                                                                                                                                                                                                                                                                                                                                  optimised.....?

                                                                                                                                                                                                                                                                                                                                                                                  I thought the default E@H app has already been optimised.....

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                                                                                                                                                                                                                                                                                                                                                                                  Message 25888 - Posted 20 Jan 2006 0:25:47 UTC

                                                                                                                                                                                                                                                                                                                                                                                    The Altivec version of the E@H app uses hand optimized asembly in some places. The dev team has tried doing the same with x86, but was unable to get a meaningful gain in performance over normal compiled code. This could mean one of two things, either the p4/a64 architectures have much better compilers, or the people who attempted the handwritten asm are much better thinking in the PPC paradigm. If the former is the case, the performance gap is probably due to architetural differences. IBM designed the PPC with a vector unit significantly more capable than any other major processor family on the market. IF the E@H algorythm is capable of taking full advantage of it a large performance lead isn't the least unexpected.
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                                                                                                                                                                                                                                                                                                                                                                                    Message 25890 - Posted 20 Jan 2006 1:56:17 UTC

                                                                                                                                                                                                                                                                                                                                                                                      finally got an einstein; let c what it takes....
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                                                                                                                                                                                                                                                                                                                                                                                      This material is based upon work supported by the National Science Foundation (NSF) under Grants PHY-1104902, PHY-1104617 and PHY-1105572 and by the Max Planck Gesellschaft (MPG). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the investigators and do not necessarily reflect the views of the NSF or the MPG.

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