Date: Wed, 23 Oct 2013 02:17:41 -0400 From: Michael Powell <nightrecon@hotmail.com> To: freebsd-questions@freebsd.org Subject: Re: FreeBSD, Centos and ZFS - SOLVED Message-ID: <l47plt$cg5$1@ger.gmane.org> References: <CBA24BB3-4A57-428C-B342-4BEB678B8D43@gmail.com> <1381600575.18393.33219025.5D7B78D0@webmail.messagingengine.com> <8CA809B3-1692-4760-A63F-9D7451EB49BD@gmail.com> <525D143B.50202@gmail.com> <DF3E552D-D2E6-464C-88EA-7AF34E8329CC@gmail.com> <1382285088.2462.36238881.1AA6BB17@webmail.messagingengine.com> <25C055B9-4A19-46C8-B78E-AC8BD6E00CD9@gmail.com> <CAJ-Vmok8uLMxtru1Z%2BHsq1tbdkf8ZU02-%2BUK-pJEH%2BanF1hqkg@mail.gmail.com> <A66C355B-D5B2-4E6F-80CF-CF1A934D172A@gmail.com>
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aurfalien wrote: > On Oct 22, 2013, at 7:55 PM, Adrian Chadd wrote: > >> Well, the 30% diff in performance due to those two intel CPU options >> means that somehow the scheduler and power management stuff in FreeBSD >> isn't playing with turbo boost / speedstep. >> >> So yeah, figuring out why would be nice. > > Ditto. > > I never enabled powerd in FreeBSD9 or 10. Unsure what the default > position is. > > In CentOS, I usually just set a diff BIOS feature as disabled or > performance depending on what the options are. > > On this server, it had acoustic/performance/balance as well as well as > that CPU option which threw me off. > > - aurf > > You might find this interesting: http://www.ateamsystems.com/blog/Increase-FreeBSD-Performance-With-powerd -Mike
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