From owner-freebsd-smp Wed Nov 4 23:44:20 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id XAA29197 for freebsd-smp-outgoing; Wed, 4 Nov 1998 23:44:20 -0800 (PST) (envelope-from owner-freebsd-smp@FreeBSD.ORG) Received: from dingo.cdrom.com (castles186.castles.com [208.214.165.186]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id XAA29192 for ; Wed, 4 Nov 1998 23:44:18 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (LOCALHOST [127.0.0.1]) by dingo.cdrom.com (8.9.1/8.8.8) with ESMTP id XAA00636; Wed, 4 Nov 1998 23:43:39 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Message-Id: <199811050743.XAA00636@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: John Capo cc: freebsd-smp@FreeBSD.ORG Subject: Re: Dog Sloooow SMP In-reply-to: Your message of "Wed, 04 Nov 1998 14:20:58 EST." <19981104142058.31411@irbs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 04 Nov 1998 23:43:39 -0800 From: Mike Smith Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > Turns out that SMP broke for me on 5/21/98 in identcpu.c version > 1.47 when code was added to identify PIIs. Not setting cpu = CPU_II > fixes the problem. > > I suspect the real breakage is in pmap.c where cpu is used. If you change all of the 'cpu == CPU_686' tests to include CPU_PII, do you get your performance back? It looks like at the very least it will be costing you some performance optimisations. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message