Forum > GPU crunching
Latest drivers (NVidia and ATI)
Mike:
--- Quote from: Ghost on 17 Sep 2011, 03:27:29 pm ---
--- Quote from: Raistmer on 17 Sep 2011, 03:26:16 pm ---Looks like AMD ahead then ;)
--- End quote ---
or not as far back ;D ;D ;D
--- End quote ---
Dont think so. :P
arkayn:
--- Quote from: Jason G on 17 Sep 2011, 11:42:41 pm ---Right at the end of a task ? Fancy that! LoL. ::)
--- End quote ---
I think part of the problem is he is running CUDA 3.1 and 285.xx is CUDA 4.1.
Jason G:
--- Quote from: arkayn on 18 Sep 2011, 06:46:08 am ---I think part of the problem is he is running CUDA 3.1 and 285.xx is CUDA 4.1.
--- End quote ---
Only bug I ever managed to find in Cuda 3.1 is mixing Fermi & Pre-Fermi generation cards running CuFFT in the same host. Other than that, shouldn't be an issue (except for the non-threadsafe app thing that is ). [Edit:] Note carefully the ongoing pattern of pointing blame at drivers automatically, when in fact the majority of identified flaws (so far) end up being latent application code flaws (and some bugs too).
Geek@Play:
I don't know if I am posting in the correct thread but I will take a chance.
Referencing the problem of having excessively high cpu run time on the OpenCL science apps when using the newer video drivers (Version 270+). Is this a video driver fault or an Opencl app fault? I am using NVIDIA so specially interested in this fault on this product.
Thanks.
Raistmer:
--- Quote from: Geek@Play on 18 Sep 2011, 11:15:05 am ---I don't know if I am posting in the correct thread but I will take a chance.
Referencing the problem of having excessively high cpu run time on the OpenCL science apps when using the newer video drivers (Version 270+). Is this a video driver fault or an Opencl app fault? I am using NVIDIA so specially interested in this fault on this product.
Thanks.
--- End quote ---
1) Older drivers show low CPU consumption.
2) I'm not aware how I can circumvent this issue from app side with new drivers.
3) Same problem on ATI (high CPU usage) confirmed as driver bug and should be fixed in new Catalyst version
So? ...
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