Date: Wed, 22 Sep 2010 03:30:33 -0500 From: Adam Vande More <amvandemore@gmail.com> To: Peter Jeremy <peterjeremy@acm.org> Cc: freebsd-stable@freebsd.org, Bryce <bryce@bryce.net> Subject: Re: SuperMicro i7 (UP) - very slow performance Message-ID: <AANLkTimRpatbjTcpdBT6EV1Jb2U3ake4me7YPxHhwO7K@mail.gmail.com> In-Reply-To: <20100922081230.GA20489@server.vk2pj.dyndns.org> 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>
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On Wed, Sep 22, 2010 at 3:12 AM, Peter Jeremy <peterjeremy@acm.org> wrote: > I think something is badly wrong here. That's less than 1/2 the speed > of my Athlon 4850e (2.5GHz) and only 60% more than my Atom N270. None > of the other figures you posted look anomolous. Are you sure the CPU > is actually running at full speed and you haven't done something like > disable the caches in BIOS? > FWIW: FreeBSD galacticdominator.com 8.1-PRERELEASE FreeBSD 8.1-PRERELEASE #1: Sun Jun 20 21:05:37 CDT 2010 adam@galacticdominator.com:/usr/obj/usr/src/sys/GENERIC amd64 CPU: Intel(R) Core(TM) i7 CPU 870 @ 2.93GHz (2940.64-MHz K8-class CPU) MD5 time trial. Digesting 100000 10000-byte blocks ... done Digest = 766a2bb5d24bddae466c572bcabca3ee Time = 2.012719 seconds Speed = 496840352.000000 bytes/second vmstat -i interrupt total rate irq16: vgapci0+ 10720642 54 irq18: fwohci0 2 0 irq23: ehci1 623712 3 cpu0: timer 393496151 1996 irq256: hdac0 8063581 40 irq257: re0 4136265 20 irq259: ahci1 1925783 9 cpu1: timer 393494902 1996 cpu6: timer 393494606 1996 cpu5: timer 393494653 1996 cpu7: timer 393494701 1996 cpu4: timer 393494785 1996 cpu3: timer 393494732 1996 cpu2: timer 393494404 1996 Total 3173428919 16102 His interrupts seem high compared to this setup, but I don't what expected values should be. -- Adam Vande More
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