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BOINC won't utilise my GPU. Any ideas?

Discussion in 'Team OcUK Distributed Computing Projects' started by Acme, 12 Oct 2012.

  1. Acme


    Joined: 29 Jul 2011

    Posts: 34,856

    Location: Sussex

    I have a rig set up to fold 24/7 (with the exception of when I use it for LAN games very very occasionally)

    The specs are:

    Core 2 Duo E8200 @ 2.66GHz (has overclocking problems that I am trying to remedy) w' Asus Royal Knight

    4GB Crucial 1066MHz DDR3

    Gigabyte P41T-D3

    Asus 8800GTS G80 320MB

    The BOINC supported GPU list has my GPU listed, however when I tell BOINC to use the GPU (even when system is active) the GPU remains at around 0% usage as normal whereas the CPU sits at 100%.

    Any ideas?

    Cheers guys :)
  2. Biffa

    Man of Honour

    Joined: 30 Oct 2002

    Posts: 15,612

    Location: Surrey

    What project are you running? Not all of them use the GPU and some have very specific requirements as to what GPU they will run on.
  3. Grimgoth


    Joined: 3 Nov 2004

    Posts: 663

    Location: London

    Also check that you have got the speeds of the card rock stable; i know [email protected] has a limit to the number of work units that you are given, and that gets reduced if you keep returning bad wu- and a bad graphics card can return like 20 bad wu's in a blink of an eye if you weren't looking.
  4. Acme


    Joined: 29 Jul 2011

    Posts: 34,856

    Location: Sussex

    I am running [email protected]

    The card is overclocked to 650MHz on the core and 2000MHz on the memory, it is totally stable judging by its performance on MSI Kombuster. Never goes above 84*C on Kombuster using my custom fan profile either.

    I tried [email protected], that uses the GPU just fine. So for the past little while I have been running [email protected] and [email protected] at the same time. (Rosetta on CPU, Folding on GPU)
    Last edited: 12 Oct 2012
  5. derv

    Wise Guy

    Joined: 18 Oct 2002

    Posts: 1,068

    Location: Kent

    Rosetta is CPU only. As you have an NVidia card you would get good performance crunching something like SETI.
  6. Acme


    Joined: 29 Jul 2011

    Posts: 34,856

    Location: Sussex

    Ahh Ok, thanks a lot :)

    I have [email protected] using GPU only now anyway, so there are two clients running at once.