I think, it depends on how many bodies are in simulation. If you have just 200 spheres, probably the best number of cores will be 1 or 2.
______________________________ Anton Gladkyy 2010/4/29 Janek Kozicki <[email protected]> > My PC has 8 cores, 2*Opteron 2378. > > I have been testing speed with different number of cores. And to my > surprise I must tell you, that when more than 5 cores are used - the > speed drastically drops down! > > For instance with 4 cores is is steady 200it/sec. > On 6-8 cores it is 1 it/sec, and occasionally (less than 5% of the > time) the speed jumps up to 2000it/sec). It is visible also in > OpenGL window - everything is stalled, and after 10 seconds it > suddenly moves extremely fast, for 0.5 of sec. Then again everything > stalls. > > -- > Janek Kozicki http://janek.kozicki.pl/ | > > _______________________________________________ > Mailing list: > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > More help : https://help.launchpad.net/ListHelp >
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