Forum > GPU crunching
Modified SETI MB CUDA + opt AP package for full GPU utilization
Slawek:
ok working new APP on my GPU http://setiathome.berkeley.edu/result.php?resultid=1125694703
Time to incrased " Computer is connected to the Internet about every " :)
1) oo :o i change cc_config and now computing 3 AP ins. 2 ( i have 2 core + GPU ) ?
2) now i see computing 2 AP and CUDA ) the same time... :o http://www.wrzuta.pl/obraz/ue2eHIWu7I/b2
Slawek:
Some WU doing my GPU ~10 min and some 50-59 min, why so long? : ::) CPU time is ~80-160 sec
This long time (50-59min ) is VLAR...hmm i think, but why to slow ?
Richard Haselgrove:
--- Quote from: Slawek on 18 Jan 2009, 01:47:50 pm ---Some WU doing my GPU ~10 min and some 50-59 min, why so long?
--- End quote ---
The true VLARs do indeed still take vastly longer than all the others (91 minutes, versus 22-23 minutes for mid range on my 9800GT - haven't had enough shorties to get an idea of the minimum).
The CUDA app is still acknowledged as a "work in progress" by the Berkeley developers: this is the first build where they actually got it to run right through to the end, at any speed. They are aware of the abysmal performance, but we don't know how long it'll take to come up with the next version.
Raistmer:
BTW, if you feel current VLAR processing times too long for production app on main you could continue to use my V5b that will abotr VLARs and release task to be processed by another host possibly with CPU opt app (that will do processing much faster and effective). This is not perfect but some way of load balansing between CUDA/CPU in current conditions.
(I need some time to synch with threads now so sorry if this was proposed already).
Slawek:
Hello ,
And this is my computing action 2 days http://setiathome.berkeley.edu/results.php?hostid=4708858
:)
650 RAC now :)
CUDA :)
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