From owner-freebsd-fs Sat Oct 3 23:16:59 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id XAA18294 for freebsd-fs-outgoing; Sat, 3 Oct 1998 23:16:59 -0700 (PDT) (envelope-from owner-freebsd-fs@FreeBSD.ORG) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.15.68.22]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id XAA18279; Sat, 3 Oct 1998 23:16:54 -0700 (PDT) (envelope-from bde@godzilla.zeta.org.au) Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.7/8.8.7) id QAA26536; Sun, 4 Oct 1998 16:16:24 +1000 Date: Sun, 4 Oct 1998 16:16:24 +1000 From: Bruce Evans Message-Id: <199810040616.QAA26536@godzilla.zeta.org.au> To: bde@zeta.org.au, mike@smith.net.au Subject: Re: filesystem safety and SCSI disk write caching Cc: Don.Lewis@tsc.tdk.com, freebsd-fs@FreeBSD.ORG, freebsd-scsi@FreeBSD.ORG, gibbs@plutotech.com, tlambert@primenet.com Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >> Yes, the default configuration may be much slower than mine. > >I can definitely back your basic point ('make world' is CPU bound) up. >On a 4-way Xeon system with slow disks we were still able to get down >around 40 minutes. Er, that shows that it is i/o bound on systems with so much CPU. I got it down to 75 minutes on 1-way K6-233 with 1 IDE disk before it was bloated by perl5 and transition to elf. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message