Forum > GPU crunching
AK V8 + CUDA MB team work mod
Mach:
Ok, after a little more monitoring, I've come to the conclusion that when the above mentioned problem shows up (WU utilizing the GPU is swapped out for another WU of higher priority, leaving the GPU in an idle state), the GPU is never reloaded with another WU. I've monitored the process and even after all three of the WUs complete, more WUs are started, but never moved to GPU processing. It's almost as if the GPU is never flagged as free when the WU is swapped out and the team mod is sending any further work to the CPU cores.
Raistmer:
--- Quote from: Mach on 20 Feb 2009, 09:13:41 pm ---That mod sounds exactly what I need in this case. Unfortunately, my CPU only supports the SSE3 instruction set and not SSSE3 :( Oh well, guess I'll just have to live with the occasional idle GPU for the time being. Thanks for the prompt responses above, Raistmer ;D
--- End quote ---
Don't worry, soon will be SSE3 support added too, just check this thread time to time.
Raistmer:
--- Quote from: Mach on 21 Feb 2009, 02:14:11 am --- It's almost as if the GPU is never flagged as free when the WU is swapped out and the team mod is sending any further work to the CPU cores.
--- End quote ---
You can check this: try to open file gpu_file_lock in SETI@home project directory when your GPU is idle.
Geek@Play:
Raistmer............
Running this "team" version of software. Yesterday found one of my quad computers running 5 Astropulse work units on the cpu's. I paused one of the AstroPulse work units and resumed it later in order to start up a cuda work unit. Has this been reported before?
Raistmer:
--- Quote from: Geek@Play on 21 Feb 2009, 11:12:16 am ---Raistmer............
Running this "team" version of software. Yesterday found one of my quad computers running 5 Astropulse work units on the cpu's. I paused one of the AstroPulse work units and resumed it later in order to start up a cuda work unit. Has this been reported before?
--- End quote ---
Yes. It can't be repaired w/o direct interaction with BOINC. So as I said many times, kick BOINC devs for native CPU + GPU support for same app. They do this for srock apps already, now they should provide the way to do the same with app_info file installed.
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