[Beowulf] Not all cores are created equal
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John Hearns hearnsj at googlemail.comTue Dec 23 07:01:57 PST 2008
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2008/12/23 Prentice Bisbal <prentice at ias.edu> > Regarding the issue handling interrupts and how that can affect > performance is discussed in this paper, which determined that in > multiprocessors systems, it's best to let one processor do all the > interrupt handling (and nothing else) Indeed. SGI Altix have 'bootcpusets' which means you can slice off one or two processors to take care of OS housekeeping tasks, -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.scyld.com/pipermail/beowulf/attachments/20081223/e91969c9/attachment.html
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