Message boards : Graphics cards (GPUs) : 3 GPUs - 2 CPUs
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since last friday I've got only 2 WUs for my 3GPUs and no more WUs for the stock... | |
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ExtraTerrestrial Apes Volunteer moderator Volunteer tester  Send message Joined: 17 Aug 08 Posts: 2705 Credit: 1,311,122,549 RAC: 0 Level  Scientific publications     | |
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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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I have looked[probably not hard enough] but what would the queue count be for a dual core and 3 GPUs?? | |
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i would like to know also | |
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Gehacktesmacher Send message Joined: 15 Jul 09 Posts: 2 Credit: 16,304 RAC: 0 Level  Scientific publications  | |
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I got the same problem. I want to switch from distributed.net to gpugrid. But it seems that here are problems too. | |
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Betting Slip Send message Joined: 5 Jan 09 Posts: 670 Credit: 2,498,095,550 RAC: 0 Level  Scientific publications   | |
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My account still says 15/WU per CPU/Day | |
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 K1atOdessaSend message Joined: 25 Feb 08 Posts: 249 Credit: 422,309,067 RAC: 943,571 Level  Scientific publications | |
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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K1atOdessa Send message Joined: 25 Feb 08 Posts: 249 Credit: 422,309,067 RAC: 943,571 Level Scientific publications | |
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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With the new server settings I get enough work for my 3 GPUs. | |
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fractal Send message Joined: 16 Aug 08 Posts: 87 Credit: 1,248,879,715 RAC: 0 Level Scientific publications | |
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)". 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
