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Quad + GPU = 6 tasks ?
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Onderwerp: Quad + GPU = 6 tasks ?

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    Standaard Quad + GPU = 6 tasks ?

    Original question by skyehunter:

    Currently Boinc runs 6 tasks on my system : One (GPUgrid) on the GPU (+0.12 CPU), and 5 (primegrid) on the quad core. I assume this is not optimal because their must be some overhead from switching the processes, but the performance is quiet satisfactory and boinc reports an average CPU occupation of more than 99%.

    I tried numeroes boinc client updates, with or without the ncpu=4 or 5 settings (in the xml). Currently running boinc 6.6.28 with most recent drivers etc. under Win XP SP3.

    Tutta's edit :

    Erm, 5 tasks on the CPU? At the same time? That is odd. 4 regular CPU tasks + 1 GPU task is normal for a quad core. But I still run only 3 CPU tasks. I find that when running 4 CPU tasks, the GPU task barely makes progress.
    Laatst aangepast door SkyeHunter : 8th June 2009 om 16:04

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    Super Moderator tutta55's Avatar
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    Standaard Re: Quad + GPU = 6 tasks ?

    OOPS

    SkyeHunter, could you please write your original question again. I made a mistake. Instead of replying to your question I accidently edited your post.

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    Senior Member Robin's Avatar
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    Standaard Re: Quad + GPU = 6 tasks ?

    Citaat Origineel gepost door tutta55 Bekijk Bericht
    OOPS

    SkyeHunter, could you please write your original question again. I made a mistake. Instead of replying to your question I accidently edited your post.
    prutser

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    Famous Member Annabel's Avatar
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    Standaard Re: Quad + GPU = 6 tasks ?

    Beter één farm in de hand dan tien in de lucht.

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    Standaard Re: Quad + GPU = 6 tasks ?

    @ tutta55 : How did you revert to 3 CPU processes and 1 GPU process ?

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    Super Moderator tutta55's Avatar
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    Standaard Re: Quad + GPU = 6 tasks ?

    Citaat Origineel gepost door SkyeHunter Bekijk Bericht
    @ tutta55 : How did you revert to 3 CPU processes and 1 GPU process ?
    In my Boinc Manager preferences (on the 1 specific machine that has a Cuda GPU) I set "On multiprocessor systems, use at most XXX % of the processors" to 75.00%

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    Standaard Re: Quad + GPU = 6 tasks ?

    Citaat Origineel gepost door tutta55 Bekijk Bericht
    OOPS

    SkyeHunter, could you please write your original question again. I made a mistake. Instead of replying to your question I accidently edited your post.
    Maybe it's time to take a backup of the forum.
    The holliday's are coming ...

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    Standaard Re: Quad + GPU = 6 tasks ?

    Citaat Origineel gepost door tutta55 Bekijk Bericht
    In my Boinc Manager preferences (on the 1 specific machine that has a Cuda GPU) I set "On multiprocessor systems, use at most XXX % of the processors" to 75.00%
    Well, I got about what I wanted...

    setting 75% usage of the processors allowed 3 CPU + 1 Cuda task
    setting 80% usage allows for 4 CPU and 1 Cuda tasks.

    Performance is similar to previous performance levels. Dedicating one CPU to support Cuda didn't accelerate GPUgrid tasks...

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    Senior Member dusti's Avatar
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    Standaard Re: Quad + GPU = 6 tasks ?

    => shouldn't there be a subforum for gpu-grid, AQUA@Home, and other GPU projects? I know one can easely atatch to new projects with the BAM account manager but seems nice to have a forum place for it too.


    => I also like to state that 'm pleased with the credits returning from gpu-grid. I wonder if other GPU-crunching projects do return same amount?

    => maybe an idea for the bat?

    => My gpu is a geforce 8600 gts - 256 mb ram

    | AGAINST LITTLE SIGNATURES |

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    Super Moderator tutta55's Avatar
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    Standaard Re: Quad + GPU = 6 tasks ?

    Citaat Origineel gepost door dusti Bekijk Bericht
    => shouldn't there be a subforum for gpu-grid, AQUA@Home, and other GPU projects? I know one can easely atatch to new projects with the BAM account manager but seems nice to have a forum place for it too.
    It was certainly the idea to make a subforum for each of the projects in production. But the idea was a bit overtaken by the boom of projects. I wonder what would be the best criterium now to decide what projects should get a subforum. Suggestions?

    => I also like to state that 'm pleased with the credits returning from gpu-grid. I wonder if other GPU-crunching projects do return same amount?

    => maybe an idea for the bat?

    => My gpu is a geforce 8600 gts - 256 mb ram
    GPUGrid is the best rewarding for nVidia as far as I know. Aqua seems to have leveled and Seti is much less. The geforce 8600 gts, does that work for GPUGrid?

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