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World Community Grid Forums
Category: Completed Research
Forum: Help Conquer Cancer
Thread: Page Faults |
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Thread Status: Active Total posts in this thread: 4
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
In task manager I see PF Delta about 60000-70000.
PC: Athlon X2 3800+, 2GB dual channel, about 1.5GB free, 1 thread running |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Please check out this thread 6 down in the HCC forum and add observations there if any:
----------------------------------------http://www.worldcommunitygrid.org/forums/wcg/viewthread?thread=17119 thx
WCG
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Highwire
Cruncher Joined: Aug 18, 2006 Post Count: 39 Status: Offline Project Badges: 
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In task manager I see PF Delta about 60000-70000. PC: Athlon X2 3800+, 2GB dual channel, about 1.5GB free, 1 thread running The thread Sekerob mentions is locked so I'll mention this here. I too was wondering what's up with this task, the UD down thing (a cunning plan?!) has made me install Boinc and so I can run HCC. It's spending a lot of time in the kernel (typically sitting on say 15-20%), and has massive amounts of page faults. Its doing it on and old Pentium (single core) and an Athlon XP (single core), on W2K and XP. It's intermittent, the kernel times anyway, sometimes the red line disappears. But the page faults are up into the billions, and there is no need for that, there is over 1/2GB free! It could of course be more than one thing. If they are making some unneeded system calls in a loop, I'm sure that woudn't help things? I'm a bit warey of it so I think I might stick to crunching the other tasks. Surely this must be slowing this task down though? |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Here is the HCC thread: http://www.worldcommunitygrid.org/forums/wcg/viewthread?thread=17244
----------------------------------------The staff are working on the Linux version right now and intend to debug the Mac version of HCC when Linux is fixed but they are very aware of the page faults. If there is anything they can do about it, I am sure that they will. (Last I heard, knreed was looking into it.) But . . . since they have not promised anything, I suspect that it is caused by the algorithm and cannot be easily changed. Lawrence [Edit 1 times, last edit by Former Member at Dec 12, 2007 2:06:59 AM] |
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