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CPU utilization factor from 0.8 to 1 |
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CPU utilization factor from 0.8 to 1
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 [FVG] baxSend message Joined: 19 Jun 08 Posts: 2 Credit: 1,004,500 RAC: 0 |
I noticed that my GPU (nVidia GTX 260) is now crunching Albert WUs with these parameters: 1.00 CPUs + 1.00 NVIDIA GPUs Average completion time is 5300s From the 1st WU till few days ago (don't know exactly when) the utilization factor for CPU was 0.8 and average completion time was the same! With 0.8 my quadcore was able to crunch 4 WUs on other CPU projects (real % utilization due to GPU was flexible, from 0 to 50% of one core), now it is able to crunch only 3 and no improvement on Albert WU completion time. Did you changed something? And if yes, why? P.S. now I changed GPU u.f. to 0.5 to check what happens ;-) 
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Bernd Machenschalk Volunteer moderator Project administrator Project developer  Send message Joined: 15 Oct 04 Posts: 1956 Credit: 6,218,130 RAC: 0 |
As requested by David Anderson, we changed the way avg_ncpus ("CPU utilization") is calculated internally. We're looking into this. BM |
This material is based upon work supported by the National Science Foundation (NSF) under Grant PHY-0555655 and by the Max Planck Gesellschaft (MPG). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the investigators and do not necessarily reflect the views of the NSF or the MPG.
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