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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: BOINC on Multicore CPUs |
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Thread Status: Active Total posts in this thread: 6
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Eimantas
Cruncher Joined: Sep 12, 2006 Post Count: 1 Status: Offline Project Badges: 
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can anyone tell me where I can find settings for CPU utilization on Multicore Based Computers ? I have BOINC Agent on several PCs and they all used to work properly by utilising both cores and producing more results acordingly. Since about 2 week ago all Boinc agents on multicore systems stopped doing that and only single core is used for calculations.
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Did you upgrade recently from 5.10 to 6.x? Things dont change of their own volitions, most of the times.
----------------------------------------There's a new CPU Processor % setting and if set to anything lower than 100% it will round down, thus 90% percent on a duo will allow running only on 1 core. The option to change via the "custom" button in the Device Profile is If you are using version 6.2 of the software, then the number of processors used will be the lesser of the two fields below. If you are using a version before 6.2, then only the 'at most' field will be used. On multiprocessors, at most use: 8 processors On multiprocessors, use: 100 % of processors And do clear the local preferences as they could be in conflict with the device manager settings. (And this is probably the 1,000th time someone stumbles over this, proofing the utter poor implementation by the Berkeley developers introducing the second value)
WCG
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JmBoullier
Former Community Advisor Normandy - France Joined: Jan 26, 2007 Post Count: 3716 Status: Offline Project Badges: 
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And do clear the local preferences as they could be in conflict with the device manager settings. Or update them accordingly if you have personal reasons to use them. Sekerob is a little authoritarian sometimes... Jean.  |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
And you are French
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WCG
Please help to make the Forums an enjoyable experience for All! |
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JmBoullier
Former Community Advisor Normandy - France Joined: Jan 26, 2007 Post Count: 3716 Status: Offline Project Badges:
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And you are French Certainly, but I don't see the connection?  Regarding my tip for Eimantas I was simply trying to not forget this good old principle: don't ask software users to use the tool the way you want, tell them how to use the tool the way they want/need. If it is possible, of course, and in this case it is possible. Cheers. Jean. ---------------------------------------- [Edit 1 times, last edit by JmBoullier at Apr 1, 2009 2:08:42 PM] |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
See, I told you so.
---------------------------------------- (The French teacher always joked "Fraternité, Liberté et Dictée, if you get my drift)"
WCG
----------------------------------------Please help to make the Forums an enjoyable experience for All! [Edit 2 times, last edit by Sekerob at Apr 1, 2009 2:34:58 PM] |
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