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Message boards : Graphics cards (GPUs) : 3 GPUs - 2 CPUs

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Joe
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Message 10864 - Posted: 26 Jun 2009 | 10:48:40 UTC

since last friday I've got only 2 WUs for my 3GPUs and no more WUs for the stock...

GPUGRID Message from server: No work sent
GPUGRID Message from server: (reached per-CPU limit of 1 tasks)
GPUGRID Message from server: (Project has no jobs available)

Why? Till last friday each GPU got enough work...

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Message 10876 - Posted: 27 Jun 2009 | 11:27:39 UTC

Sounds like a change in the server settings. So far it was "max(number of CPUs, number of GPUs)", which might (accidently?) have changed to "max(number of CPUs)".

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Message 10997 - Posted: 7 Jul 2009 | 11:01:19 UTC

I have looked[probably not hard enough] but what would the queue count be for a dual core and 3 GPUs??

Will I be able to get adequate work for ALL GPUs??
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Message 11021 - Posted: 8 Jul 2009 | 0:40:04 UTC - in response to Message 10997.

i would like to know also

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Message 11158 - Posted: 16 Jul 2009 | 20:03:21 UTC
Last modified: 16 Jul 2009 | 20:04:49 UTC

I got the same problem. I want to switch from distributed.net to gpugrid. But it seems that here are problems too.

I use an Ubuntu 8.04 System with an AMD DualCore CPU and 1x GTX295 and 3x GTX260.
I am not interested in getting the CPU's work. But I am getting bored, if I am not able to get this beast fully busy on it's GPU's.


Or do I have to install a QuadCore for getting at least 4 GPU's working? - I hope not.

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Message 11159 - Posted: 16 Jul 2009 | 22:51:47 UTC

My account still says 15/WU per CPU/Day

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Message 11160 - Posted: 16 Jul 2009 | 23:57:10 UTC - in response to Message 11158.

Or do I have to install a QuadCore for getting at least 4 GPU's working? - I hope not.


Currently, I believe the # of concurrent outstanding WU's is the # of processors (physical or virtual) in your system. If you have a single core, you only get one; a dual, you only get two; a quad, you only get four; an "octo", you *only* get 8 WU's at the same time.

With an i7 and 4x 295's, there is never any queue of WU's since the # of gpu's is 8 and that is also the # of processors. I have 3 single-gpu cards, but I have a quad so I always have 1 in queue.

I think you would saturate the dual core with just the 295 alone, not even counting the 3x 260 (which would do 1 WU at a time). With those cards, I think you'd always have 1 gpu (of your 5) idle at all times. You'd have to have an i7 to fully utilize them.

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Message 11161 - Posted: 17 Jul 2009 | 0:00:35 UTC - in response to Message 11159.

My account still says 15/WU per CPU/Day


That is the max # of WU's sent to your gpu's in a single day. So, if you have a single card that takes 12 hours to complete (like an 8800/9800), you would probably only ever use 2 or 3 of those 15.

If for some reason you install a bad graphics driver that errors out WU's immediately, that 15 setting is to prevent you from going through 100's of WU's before you realize you have a problem.

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Message 11469 - Posted: 29 Jul 2009 | 12:58:02 UTC - in response to Message 10876.

With the new server settings I get enough work for my 3 GPUs.

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Message 11489 - Posted: 30 Jul 2009 | 2:13:27 UTC - in response to Message 10876.

Sounds like a change in the server settings. So far it was "max(number of CPUs, number of GPUs)", which might (accidently?) have changed to "max(number of CPUs)".

MrS

It is giving me number of CPUs + number of GPUs, so 5 wu's on a quad core with a single GPU.

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Message boards : Graphics cards (GPUs) : 3 GPUs - 2 CPUs

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