Forum > GPU crunching
Latest drivers (NVidia and ATI)
Pepi:
Yes I have two crunch machines both with 64 bit Win 7
One have 9800 green and another is GT 240 and both computing via cuda 3 dlls without problem
Richard Haselgrove:
--- Quote from: Pepi on 04 Apr 2010, 07:21:01 am ---Yes I have two crunch machines both with 64 bit Win 7
One have 9800 green and another is GT 240 and both computing via cuda 3 dlls without problem
--- End quote ---
What's your experience on the speed question?
Edit - and did you try it with only one of the files doubled-up? I can see you would need a named copy of cudart32_30_14.dll, because cufft32_30_14.dll depends on it: but there's no reverse dependency. Does it matter that cufft32_30_14.dll depends on itself (???)
MarkJ:
I wonder if it would be possible for one of the developers to compile it with the cuda 3 toolkit, so that way we get a true cuda 3 app to try.
Pepi:
--- Quote from: Richard Haselgrove on 04 Apr 2010, 07:38:25 am ---
--- Quote from: Pepi on 04 Apr 2010, 07:21:01 am ---Yes I have two crunch machines both with 64 bit Win 7
One have 9800 green and another is GT 240 and both computing via cuda 3 dlls without problem
--- End quote ---
What's your experience on the speed question?
Edit - and did you try it with only one of the files doubled-up? I can see you would need a named copy of cudart32_30_14.dll, because cufft32_30_14.dll depends on it: but there's no reverse dependency. Does it matter that cufft32_30_14.dll depends on itself (???)
--- End quote ---
There is no difference in speed. I try all combination but only one that I wrote few post above worked. Both dll MUST be renamed and also in original name state. And if you dont trust me: try yourself: the only thing you will get will be few "computation error" results :)
Richard Haselgrove:
That's funny - I came to the board to post that
cudart32_30_14.dll
cudart.dll
cudafft.dll
is running just fine on host 3751792.
But no increase in speed.
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