Date: Fri, 04 Sep 1998 13:36:15 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Bruce Evans <bde@zeta.org.au> Cc: caj@lfn.org, freebsd-current@FreeBSD.ORG Subject: Re: bzero bandwidth computation Message-ID: <2797.904908975@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 04 Sep 1998 21:32:47 %2B1000." <199809041132.VAA10135@godzilla.zeta.org.au>
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In message <199809041132.VAA10135@godzilla.zeta.org.au>, Bruce Evans writes: >>>>From a boot -v on my Thinkpad 560E running -current >>>(GenuineIntel 166MMX pentium): >>> >>>i586_bzero() bandwidth = 173130193 bytes/sec >>>bzero() bandwidth = 688705234 bytes/sec (!!!) >>> >>>Hrm, a bit fishy eh? >> >>APM strikes again I bet... Your CPU clock changed speed while it ran... > >That might have given a negative bandwidth :-). No, that would be unlikely. Many APM seem to power up with the CPU in a reduced speed mode, and then after a short time the crank it up to full speed. -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." "ttyv0" -- What UNIX calls a $20K state-of-the-art, 3D, hi-res color terminal To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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