Forum > GPU crunching
V10/11 of modified SETI MB CUDA + opt AP package for full multi-GPU+CPU use
Raistmer:
<core_client_version>6.6.20</core_client_version>
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"teamed" AK_v8 app can't spawn CUDA MB app possibly. Check value in Number_of_GPUs file.
Also, check if you use BOINC service install. Maybe BOINC "protected" install short of spawn child process access right? ...
Slagathor:
Got it working finally thanks to Claggy, but I do have a question.
It isnt a really big deal, but just curious why the wu times would increase?? They went up about 5 minutes from the stock one.
From 17-18 minutes to 22-23 minutes per.
Claggy:
--- Quote from: Slagathor on 23 Apr 2009, 10:52:08 pm ---Got it working finally thanks to Claggy, but I do have a question.
It isnt a really big deal, but just curious why the wu times would increase?? They went up about 5 minutes from the stock one.
From 17-18 minutes to 22-23 minutes per.
--- End quote ---
Is that while doing Astropulse at the same time?, I Know the version of Boinc (6.6.23) i'm running shows Elapsed time as apposed to CPU time now,
I can't say I've seen Cuda WU's generally taking longer, unless you've now got WU's with a High AR instead of a Mid Range AR,
Astropulse WU's are a different matter, Boinc shows elapsed time, but reports CPU time,
and while I'm doing Cuda WU's there can be an hour's differerence between the two.
Claggy
Slagathor:
--- Quote from: Claggy on 24 Apr 2009, 02:47:02 am ---
--- Quote from: Slagathor on 23 Apr 2009, 10:52:08 pm ---Got it working finally thanks to Claggy, but I do have a question.
It isnt a really big deal, but just curious why the wu times would increase?? They went up about 5 minutes from the stock one.
From 17-18 minutes to 22-23 minutes per.
--- End quote ---
Is that while doing Astropulse at the same time?, I Know the version of Boinc (6.6.23) i'm running shows Elapsed time as apposed to CPU time now,
I can't say I've seen Cuda WU's generally taking longer, unless you've now got WU's with a High AR instead of a Mid Range AR,
Astropulse WU's are a different matter, Boinc shows elapsed time, but reports CPU time,
and while I'm doing Cuda WU's there can be an hour's differerence between the two.
Claggy
--- End quote ---
All that rig does it crunch CUDA's, no AP's on that one, it is using 6.6.20.
Raistmer:
Please, before asking "why my crunch time increased/decreased" check if you compare times for results with THE SAME Angle Range (AR) value.
Time for crunching tasks with different ARs differ strongly both for CPU and GPU apps. It's meaningless to compare results with different ARs to conclude that your host become suddenly faster or slower.
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