From owner-freebsd-current Sat Sep 5 00:08:16 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id AAA22595 for freebsd-current-outgoing; Sat, 5 Sep 1998 00:08:16 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from smtp02.primenet.com (smtp02.primenet.com [206.165.6.132]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id AAA22590 for ; Sat, 5 Sep 1998 00:08:15 -0700 (PDT) (envelope-from tlambert@usr08.primenet.com) Received: (from daemon@localhost) by smtp02.primenet.com (8.8.8/8.8.8) id AAA15311; Sat, 5 Sep 1998 00:07:07 -0700 (MST) Received: from usr08.primenet.com(206.165.6.208) via SMTP by smtp02.primenet.com, id smtpd015299; Sat Sep 5 00:07:02 1998 Received: (from tlambert@localhost) by usr08.primenet.com (8.8.5/8.8.5) id AAA29436; Sat, 5 Sep 1998 00:06:59 -0700 (MST) From: Terry Lambert Message-Id: <199809050706.AAA29436@usr08.primenet.com> Subject: Re: bzero bandwidth computation To: mike@smith.net.au (Mike Smith) Date: Sat, 5 Sep 1998 07:06:59 +0000 (GMT) Cc: phk@critter.freebsd.dk, caj@lfn.org, freebsd-current@FreeBSD.ORG In-Reply-To: <199809040821.IAA03391@word.smith.net.au> from "Mike Smith" at Sep 4, 98 08:21:47 am X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > >>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... > > Sounds like our clock code is totally screwed then. You have 12 > days... 8) Say, what is the effect of the hlt instruction in the idle loop on the Pentium cycle counter? Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message