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Snow Crash
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Message 26404 - Posted: 20 Jul 2012 | 23:48:39 UTC

Looks like these are going to run very very long, I hope they produce good results and award mega points as well :-)

GTX 480 WinXP32, BOINC 7.0.28, only 3% complete after 35 minutes. GPU utilization 94% and MEM usage very low at 7%-8% so it looks like it is running as expected. I'll post back when it's done some time tomorrow :thumbsup:
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Message 26405 - Posted: 21 Jul 2012 | 7:30:04 UTC

Credits for them are written there:

http://www.gpugrid.net/forum_thread.php?id=3086#26403
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Message 26407 - Posted: 21 Jul 2012 | 18:57:48 UTC - in response to Message 26404.

Looks like these are going to run very very long, I hope they produce good results and award mega points as well :-)

GTX 480 WinXP32, BOINC 7.0.28, only 3% complete after 35 minutes. GPU utilization 94% and MEM usage very low at 7%-8% so it looks like it is running as expected. I'll post back when it's done some time tomorrow :thumbsup:


Not good on WinXP32 :-)
For 19.5 hours crunching on a GTX480 I am only awarded 67,350.00 pts.
I would like to suggest that these WUs be reviewed and modified to bring into parity with other WUs.
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Message 26408 - Posted: 21 Jul 2012 | 22:31:20 UTC
Last modified: 21 Jul 2012 | 22:59:23 UTC

One of this very long Noelia workunits finished on one of my GTX 480@800MHz in 10 hours and 55 minutes. I've received 98100 credits for it. Another one is running on my GTX 590@625MHz for 7 hours and 27 minutes, it's progress is at 65.154%, it will finish in about 11 hours and 30 minutes. A third one is running on my GTX 580@825MHz, it took 1 hour 27 minutes and 15 seconds to reach 20%, so it will finish in 7 hours and 16 minutes (probably more, because these very long Noelia tasks tend to slow down as they progress). They run at 85% GPU usage.

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Message 26409 - Posted: 22 Jul 2012 | 1:17:00 UTC

Ugh.

W7 w/ 680 is running at 77%

Any way we can increase the GPU usage on these tasks. That's pretty low.

Or at least tweak future tasks?

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Message 26410 - Posted: 22 Jul 2012 | 9:58:03 UTC - in response to Message 26409.

The researchers might be able to do something for future batches, but GPUGrid runs different sub-projects (looks at different molecular interactions; proteins and drugs), with different parameters. So it's normal for tasks to utilize the GPU to different extents. While these tasks may not utilize the GPU as much as others, bear in mind that this is new ground and the recently developed CUDA 4.2 app is ~50% faster than 3.1.

You can't do as much to improve performance, but there are a few things,
Disable Aero (W7/Vista),
Change System Properties - Performance Options to Adjust for Best Performance,
Free up a CPU core/thread,
Use a secondary card for display,
Tweak GPU performance,
Adjust Boinc settings (write to disk less often, run tasks when system is in use, low cache...),
Use a secondary drive for the Boinc data,
Use a different OS (XP/Linux),
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Message 26415 - Posted: 23 Jul 2012 | 13:33:14 UTC - in response to Message 26410.

What is Aero? How do you disable it? Rick




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Message 26416 - Posted: 23 Jul 2012 | 16:37:11 UTC

Thats the animated gui in win7 ;)
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Message 26419 - Posted: 23 Jul 2012 | 21:55:11 UTC - in response to Message 26415.

What is Aero? How do you disable it? Rick

Don't install it or just don't use an Aero Theme.
If it's installed and you are using an Aero theme you can change the theme to a W7 basic theme; Start, Control Panel, Personalization, W7 Basic, and select one of the basic themes.
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Message 26425 - Posted: 24 Jul 2012 | 22:53:30 UTC

And after runing one of these WUs on my GTX 670 Win7 x64 I see that the runtime is much longer than PAOLA WUs but awards much less points (super rough guestimate is that we should be getting about 120K per WU instead of 68K). While we all have our reasons for crunching and I'd like to think I lean towards the altruistic side of the conversation net, points don't cost the project anything so I don't see why you would not align them with the others?
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Message 26426 - Posted: 24 Jul 2012 | 23:00:25 UTC - in response to Message 26425.

guys NOELIA is not a name of a workunit. She is submitting 3 or 4 different types of WUs, so we need to know which one you are talking about to fix it.

gdf

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Message 26433 - Posted: 25 Jul 2012 | 7:55:58 UTC

I'll try to remember to provide better details in the future :-)
Both systems are optimized for GPUGrid crunching with 1 thread free, no systems changes were made between the runs being compared.

WinXP 32 on a GTX 480:
rundig10_run8-NOELIA_smd-0-5-RND7514
70,774.31 seconds runtime granted 67,350.00 credits

compared to:
1XFG_40_10-PAOLA_HGAbis-24-100-RND0147
24,075.72 seconds runtime granted 86,850.00 credits



Win7 x64 on a GTX 670:
rundig5_run7-NOELIA_smd2-3-5-RND5863
23,389.33 seconds runtime granted 68,100.00 credits

compared to:
1XFG_39_2-PAOLA_HGAbis-31-100-RND1613
18,260.10 seconds runtime granted 86,850.00 credits[url][/url]
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Message 26435 - Posted: 25 Jul 2012 | 10:52:41 UTC
Last modified: 25 Jul 2012 | 10:53:14 UTC

Hi Snow Crash,

We looked into it on our end, checking for human error and running on several cards (one similar to yours). The running times were within 30% here, so the huge difference you're seeing is very strange. Therefore, it is perhaps something on your end. Do you use your system to crunch for other projects, in particular CPU projects? Do you use your computer while you crunch? The NOELIA_smd work units require more CPU usage, and if the resources aren't there or are being used by another project/application, it could explain the slowdown.

Nate

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Message 26444 - Posted: 25 Jul 2012 | 19:09:18 UTC - in response to Message 26435.

This isn't much to go on,

    <core_client_version>7.0.28</core_client_version>
    <![CDATA[
    <stderr_txt>
    MDIO: cannot open file "restart.coor"
    # Time per step (avg over 3750000 steps): 18.887 ms
    # Approximate elapsed time for entire WU: 70827.813 s
    called boinc_finish

    </stderr_txt>
    ]]>


So, completely guessing, I would say your GPU downclocked for a while.
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Message 26453 - Posted: 25 Jul 2012 | 23:34:24 UTC
Last modified: 25 Jul 2012 | 23:35:14 UTC

I apologize if I came off sounding like an ascii, that was never my intention and I will endeavor to start my threads as a question rather than postulating that I know what is going on.

I've been trying to think around and around what the issue might have been.
I regularly monitor my systems to make sure I have not downclocked so I'm confidant it was not that, my BOINC config has 1 thread free, and the GPU utilization was actually fairly good. Trying to keep these things in mind along with the results of the testing you have done, and the searching I have since done on other people's results I can only *assume* that the WinXP actually processed on my GTX 295 and not my GTX 480 which would be possible if the WU was from the lower end of the processing range required crunching for Paola's experiments (I was so darn sure of myself ... open mouth, insert foot.

That being said, the Win7 system only has 1 GTX 670 so there was no card mix up on my results comparisons and that mach9ine is a headless cruncher that I don't use for anything else (well until the summer is over and I can move out of my basement and back into my study :-).

I have found other results run on GTX 680s under Win7 and roughly the points per second ratio looks to be about 3 to 1 on various WUs from these series but other WU types come in around 4 to 1 so I still think there is a substantial disparity. If that is within the acceptable range for the project then that's exactly what it is and I won't ask you to look into this any further.

Thanks again for listening and looking into this, I'm sure you had better things to do with your time. I'll try to be clearer and more thorough next time I think something may not be quite right.

Sincerely,
Steve

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Message 26467 - Posted: 26 Jul 2012 | 10:18:54 UTC - in response to Message 26453.
Last modified: 26 Jul 2012 | 10:20:01 UTC

Ok, glad you got it figured out. I didn't see the 295 in any of your hosts, but that would make sense.

I have found other results run on GTX 680s under Win7 and roughly the points per second ratio looks to be about 3 to 1 on various WUs from these series but other WU types come in around 4 to 1 so I still think there is a substantial disparity. If that is within the acceptable range for the project then that's exactly what it is and I won't ask you to look into this any further.


We really don't want so much disparity (multiples like that, we prefer in the tens of percents), so please bring things like that to our attention if you happen to find multiple examples (meaning across different crunchers and cards/rigs on the same task name). While often these things are related to the rig itself (downclocking, slow/old card, etc.), it can naturally be on our end as well. I'm currently working on analyzing various aspects of GPUGRID so we can avoid/catch errors/inefficiencies as much as possible, be as fair as possible with credits, and perhaps help crunchers be more efficient. It's a big task, though, so don't hold your breath. Hopefully something good can come out of it.

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Message 26519 - Posted: 30 Jul 2012 | 23:11:23 UTC
Last modified: 30 Jul 2012 | 23:32:39 UTC

WinXP 32, BOINC 7.0.28, nvidia driver 301.42, EVGA GTX 480 OCd to shaders 1512 and rock solid stable no downclocking. This was riunning with no user activity as I was at work.

Caught the WU in the screenshot taking an exceeding amount of time. All other WUs process fine, even the most demanding PAOLA_HGA WUs take less than 7 hours but this NOELIA task was at just over 9% after alomst 2.5 hours. I'll keep crunching everything else for GPUGrid but I'm going have to abort this.


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