Forum > GPU crunching

Modified SETI MB CUDA + opt AP package for full GPU utilization

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Slawek:

--- Quote from: Devaster on 23 Jan 2009, 03:29:07 am ---if some one want here is cufft and cudart  dlls from last CUDA 2.1 final :

stop boinc unpack and replace in boinc data dirs the old  dlls

--- End quote ---

Any imp. computing  ?

sunu:
Just a FYI. Whatever I tried, flops, avg_ncpus, maxncpus in app_info.xml in order to force 3+1 in a quad didn't have any effect. The only thing that seems to work is

<avg_ncpus>1.3400</avg_ncpus>
<max_ncpus>1.3400</max_ncpus>

in AP section of app_info.xml. But that possibly means that If there is no MB work, only 3 cores will be used. Whatever I did in MB section seemed irrelevant.

Jason G:

--- Quote from: sunu on 24 Jan 2009, 09:36:58 am ---...
in AP section of app_info.xml. Whatever I did in MB section seemed irrelevant.

--- End quote ---

Ahhh, of course, I think in 6.4.5 or higher they might have made it ignore the Cuda CPU component! LoL. Madness  ;D

ceciltseng:
hi all ,
AP5.0 SSE4.1  + CUDA MB possible to use now?   ( 64 bit version is wonderful )

Raistmer:

--- Quote from: ceciltseng on 29 Jan 2009, 01:00:08 am ---hi all ,
AP5.0 SSE4.1  + CUDA MB possible to use now?   ( 64 bit version is wonderful )

--- End quote ---
There is no SSE4.1 AP at all, did you mean AK_v8 SSE4.1 ? I found not improvement in speed for SSE4.1 over SSSE3x version. In multicore system SSSE3 performs better actually (but difference pretty slow anyway). So I don't plan to do separate SSE4.1 version. Also, there is no AP x64 build for now.

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