Date: Sat, 31 Jan 2004 15:35:57 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Milo Hyson <milo@cyberlifelabs.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Weird context-switching performance Message-ID: <Pine.BSF.4.21.0401311535040.38031-100000@InterJet.elischer.org> In-Reply-To: <1075588419.43166.6.camel@beastie.lab.cyberlifelabs.com>
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On Sat, 31 Jan 2004, Milo Hyson wrote: > We've got these two very similar machines that are exhibiting > drastically different context-switching performance. The slower of the > two is actually task-switching at four times the rate of the other. > We've gone through several benchmarks and are at a complete loss to > explain it. We've set up a page documenting our efforts: > > http://www.cyberlifelabs.com/cs-benchmark/ > > I would appreciate it if someone could offer some insight into what > affects context-switching. Is there some obscure kernel variable that > we've overlooked? Or is it just one of those unexplainable feng-shui > situations? > Which is the abnormal machine? i.e. is machine 1 faster than all other similar machines or is machine B slower? > Thanks in advance. > > -- > Milo Hyson > Chief "Mad" Scientist > CyberLife Labs, LLC > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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