Forum > GPU crunching
Optimized CUDAs on Windows Seven
liath555:
new install. driver version 195.62, x64 version. CUDA listed at version 3.
Josef W. Segur:
--- Quote from: Raistmer on 11 Dec 2009, 04:52:44 am ---What new DLL you refer to? 2.3 or 3.0 ?
From my host:
Total GPU memory 536870912 free GPU memory 492482560
After app init: total GPU memory 536870912 free GPU memory 492482560
:o :o :o No difference at all.
http://setiathome.berkeley.edu/result.php?resultid=1438996810
CUDA 2.3 + Vista + 190.38 driver
--- End quote ---
I was thinking the increase in speed of cufft.dll 2.3 was accompanied by a very significant increase in size, but that's fuzzy recall since I'm not doing CUDA.
That data showing no change in free GPU memory is interesting, looks like a bogus reading after init since it indicates only 42.5 MiB in use.
Joe
Richard Haselgrove:
--- Quote from: Josef W. Segur on 12 Dec 2009, 02:27:02 am ---
I was thinking the increase in speed of cufft.dll 2.3 was accompanied by a very significant increase in size, but that's fuzzy recall ...
--- End quote ---
... but correct cufft v2.2 is 1,158 KB: v2.3 is 8,435 KB
PatrickV2:
OK, dumb question-time for me probably, but:
1. Currently the cufft.dll and cudart.dll in my projects/seti/... directory do not have any version number. Will it matter if I install newer ones?
2. If this is useful to do, how do I do this?
Regards, Patrick.
Pappa:
--- Quote from: PatrickV2 on 12 Dec 2009, 02:49:40 pm ---OK, dumb question-time for me probably, but:
1. Currently the cufft.dll and cudart.dll in my projects/seti/... directory do not have any version number. Will it matter if I install newer ones?
2. If this is useful to do, how do I do this?
Regards, Patrick.
--- End quote ---
1. First you need to insure you drivers are 19.038 These drivers (nvidia.com) updated and corrected a few things that may or may not have been visible.The 2.3 cudart.dll is 279K the cufft.dll is 8435K As Long as you have Boinc Stopped you can replace whatever version with the newer 2.3 DLL's.
2. If you have the original or 2.2 DLL's installed you will see a nice speed difference.
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