MacOS G5 App 4.27 available

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Profile Bernd Machenschalk
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Message 46252 - Posted: 23 Aug 2006, 12:08:16 UTC
Last modified: 27 Aug 2006, 16:36:15 UTC

I've been working on the PPC code a bit more with what I learned from the coding for x86 and made a new version. I've seen it run about 20% faster than the previous 4.23 App on some machines.

However, applying all the measurements we need for copmpatibility of an "official App", this code slows down even behind the 4.23 App, at least on G5. So for now I made an App that maintains the maximum possible compatibility without loosing speed. It turned out to be a G5 App that should run on MacOS 10.4 as well as on 10.3. It is available from our Power User Apps page. I haven't seen a single invalid result from this code in internal tests.

I'll continue to investigate this level of "maximum useful compatibility" for G4 machines. For G3 I don't have any more ideas for speeding up the Apps anyway.

Happy crunching!

BM

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Message 46298 - Posted: 24 Aug 2006, 4:31:42 UTC - in response to Message 46252.
Last modified: 24 Aug 2006, 4:32:03 UTC

Dual 2.0 G5, 10.4.7, Boinc 5.4.9

No success with 4.27. Boinc Manager deletes the app immediately on start up. (Tried it twice.)

As experiment, tried copying the app in to the Project's Ein folder after Boinc Manager was already running. Dowloaded a WU but it errored out immediately with Code 2 (0x2).

4.23 ran fine.

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Message 46302 - Posted: 24 Aug 2006, 6:57:08 UTC - in response to Message 46298.
Last modified: 24 Aug 2006, 7:01:36 UTC

Update:
Seems to be looking for App. 4.26. Error in the XML?
resultid


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Message 46303 - Posted: 24 Aug 2006, 7:08:27 UTC

Sorry. There was indeed an error in the app_info.xml. I updated the package, new md5 is ecfa6c45e790b135c72587e1e2fad4ec.

BM

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Message 46499 - Posted: 27 Aug 2006, 10:14:36 UTC

Bernd,

thanks for this fantastic new release! On my G5 Dual 2.7GHz machine crunch time went down from 23,000 seconds to 18,000. Now it is once again on par with the fastest AMD-processors and faster then comparable Intels.

Thanks again!

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Message 46538 - Posted: 28 Aug 2006, 3:18:04 UTC
Last modified: 28 Aug 2006, 3:44:40 UTC

My G5’s first WU with v4.27 has been reported and validated, and a second is almost crunched. So far it’s looking about 20% faster than v4.23, or 40% faster than v4.12. That should bring its productivity up to about ten credits per hour.

By way of comparison, the same system earns about 8.3 CS/h on typical SETI@home WUs with the Enhanced Beta v5.17. This version has a higher credit/Flop rate than the current standard v5.13, with which I made about 7 CS/h (before I started running an optimized app).

I second the motion of thanks!
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Message 46583 - Posted: 28 Aug 2006, 20:55:40 UTC

How do i INSTALL it on my G5 PowerPC running 10.4.7 I downloaded and unzipped and its a folder with an xml and a app

Now where do i put them? Sorry, i was born this stupid and its been uphill ever since.

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Message 46585 - Posted: 28 Aug 2006, 21:33:39 UTC - in response to Message 46583.
Last modified: 28 Aug 2006, 21:35:25 UTC

How do i INSTALL it on my G5 PowerPC running 10.4.7 I downloaded and unzipped and its a folder with an xml and a app

Now where do i put them? Sorry, i was born this stupid and its been uphill ever since.


Put them in the folder
/Library/Application Support/BOINC Data/projects/einstein.phys.uwm.edu/
and restart the BOINC Manager.

More detatiled instructions for such packages can be found on the Beta Test Page, look for the MacOS PPC section.

BM


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Message 46597 - Posted: 28 Aug 2006, 23:48:56 UTC

I have installed this new item by dragging it into the boic data folder. The message taB displays the message 'now using version 427...' but boys:

It Doesnt Run Any Faster. Why is the Mac so slow compared to my pc which SCREAMS! Something like 5 times more points! Is there a setting that will demand shorter MU's?
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Message 46611 - Posted: 29 Aug 2006, 6:35:40 UTC
Last modified: 29 Aug 2006, 6:45:22 UTC

Have you actually completed a Task with the new version? Don't count on the time estimated by the Client, the estimation is based on the old App.

There are some postings in the threads here that discuss short and long WUs. See e.g. Bruce's "Information about S5" (sticky thread in Cruncher's Corner).

BM

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Message 46626 - Posted: 29 Aug 2006, 10:28:58 UTC

i use now the 4.27 version on my G5 1,8Ghz and a WU h1-1412,5 have been computed in 27 000 seconds against 44 000 with the 4.12 version so 60% faster !

thanks for this optimization !
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Message 46641 - Posted: 29 Aug 2006, 15:10:26 UTC

I have found the following improvements in my WU times:

Mac G4/1.0 Gig (4.26) - 9,300/7,150 CPU/s = 23% faster

Mac G5/2.0 Gig (4.27) - 39,500/32,100 CPU/s = 18.7% faster

MBP Duo 2.16 (4.28) - 45,400/39,800 CPU/s = 12% faster


I am surprised that the MBP is so slow compared with the G5. After all, nominally, the MBP should be, if anything, a little faster than the G5, should it not?
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Message 46643 - Posted: 29 Aug 2006, 15:17:08 UTC - in response to Message 46641.

Mac G4/1.0 Gig (4.26) - 9,300/7,150 CPU/s = 23% faster
Mac G5/2.0 Gig (4.27) - 39,500/32,100 CPU/s = 18.7% faster
MBP Duo 2.16 (4.28) - 45,400/39,800 CPU/s = 12% faster

Which versions are these compared to, especially on the G5? I suspect it was 4.23, or was it 4.12, too?

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Message 46645 - Posted: 29 Aug 2006, 15:29:59 UTC - in response to Message 46643.

Mac G4/1.0 Gig (4.26) - 9,300/7,150 CPU/s = 23% faster
Mac G5/2.0 Gig (4.27) - 39,500/32,100 CPU/s = 18.7% faster
MBP Duo 2.16 (4.28) - 45,400/39,800 CPU/s = 12% faster

Which versions are these compared to, especially on the G5? I suspect it was 4.23, or was it 4.12, too?

BM

Hi Bernd
It was the 4.23 in the case of the G5
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Message 46646 - Posted: 29 Aug 2006, 15:33:25 UTC
Last modified: 29 Aug 2006, 15:35:25 UTC

Oh! Dear! ....
Sorry, Bernd ... I just see now that I am running 4.26 on my G5 ... !!!!

I am such a clutz!!!
Apologies ... I will change it soon ...
:-((

[edit] ... many apologies for wasting your time ... !!!!!
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Message 46653 - Posted: 29 Aug 2006, 17:15:03 UTC - in response to Message 46303.

Sorry. There was indeed an error in the app_info.xml. I updated the package, new md5 is ecfa6c45e790b135c72587e1e2fad4ec.

BM


Tried it. Comutation error on all work units. Now I need to wait a day until new units sent since I've reached my quota of 30 per day. :-(
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Message 46657 - Posted: 29 Aug 2006, 17:49:43 UTC - in response to Message 46646.
Last modified: 29 Aug 2006, 17:57:58 UTC

Sorry, Bernd ... I just see now that I am running 4.26 on my G5 ... !!!!

No need to feel sorry at all!
Does that mean that the 4.26 runs 18% faster than the 4.23 on your G5? Or that the 4.27 ran 18% faster than the 4.26?

Anyway - I'm still curious to know how much faster the 4.27 is compared to the 4.26 on a G5. I'm sure that's the perfect question for you now!

BM
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Message 46658 - Posted: 29 Aug 2006, 17:56:58 UTC - in response to Message 46653.

Sorry. There was indeed an error in the app_info.xml. I updated the package, new md5 is ecfa6c45e790b135c72587e1e2fad4ec.

BM


Tried it. Comutation error on all work units. Now I need to wait a day until new units sent since I've reached my quota of 30 per day. :-(


(I deleted the double post)

Have these errors been with the old, buggy package? It was only up for ~19 hours.
You should make sure you get the new one. The error messages look like the client didn't leave you any App at all in the project directoy. Make sure you either remove the buggy app_info.xml (which will bring the client to downlaod the 4.12 again) or replace it with the one from the current package (which will tell the client to preserve and use the 4.27 App).

BM


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Message 46660 - Posted: 29 Aug 2006, 18:12:57 UTC - in response to Message 46657.
Last modified: 29 Aug 2006, 18:13:41 UTC

Sorry, Bernd ... I just see now that I am running 4.26 on my G5 ... !!!!

No need to feel sorry at all!
Does that mean that the 4.26 runs 18% faster than the 4.23 on your G5? Or that the 4.27 ran 18% faster than the 4.26?

Anyway - I'm still curious to know how much faster the 4.27 is compared to the 4.26 on a G5. I'm sure that's the perfect question for you now!

BM

I am soooo sorry ...
It was the 4.26 that ran 18% faster than the 4.23
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Message 46667 - Posted: 29 Aug 2006, 19:45:09 UTC - in response to Message 46660.
Last modified: 29 Aug 2006, 19:45:31 UTC

I am soooo sorry ...
It was the 4.26 that ran 18% faster than the 4.23

Thank you - that's almost too good to be true.

Do me a favor and look into the folder
/Library/Application Support/BOINC Data/projects/einstein.phys.uwm.edu/"
to see if there really is a 4.26 App. The old (erroneous) app_info.xml may under certain circumstances have reported the 4.27 as 4.26.

That actually was my fault - I tested the App more or less thoroughly, but not the app_info.xml...

BM

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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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