Date: Wed, 22 Sep 2010 17:35:53 +0300 From: nickolasbug@gmail.com To: Tom Evans <tevans.uk@googlemail.com> Cc: Adam Vande More <amvandemore@gmail.com>, Peter Jeremy <peterjeremy@acm.org>, Bryce <bryce@bryce.net>, Ian Smith <smithi@nimnet.asn.au>, freebsd-stable@freebsd.org Subject: Re: SuperMicro i7 (UP) - very slow performance Message-ID: <AANLkTikzgiFSYfnLLa13ndTdNov6=7SX=EQbuH3ObZH0@mail.gmail.com> In-Reply-To: <AANLkTik3bFuh9FR8vvwf=FfO2ojQYzHxWD8MODj22x1a@mail.gmail.com> References: <AANLkTin2XH8Gs0ytgHsuF50iUJ3JFQU_OO3xSRfq3-C8@mail.gmail.com> <mailpost.1284981513.7745206.53335.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <10b0bdef-2bb1-44c8-9ffb-7d3167147a4f@q2g2000vbk.googlegroups.com> <20100922081230.GA20489@server.vk2pj.dyndns.org> <20100922230552.D11124@sola.nimnet.asn.au> <AANLkTik3bFuh9FR8vvwf=FfO2ojQYzHxWD8MODj22x1a@mail.gmail.com>
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> md5 -t is quite a small benchmark, even with his misfunctioning CPU it > took <6 seconds to complete. > > If his problem is a misapplied heatsink/fan, then his CPU could be > throttling when it gets hot, the hotter it gets the more it throttles, > which could explain his massive buildworld walltime. Perhaps running > something like: > > =A0apply -0 "md5 -t" `jot 10` > > would display a notable difference. You may also run openssl speed or "linpack" test (/usr/ports/math/linpack) or hpl (/usr/ports/benchmarks/hpl) to load your CPU
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