From owner-freebsd-hackers@FreeBSD.ORG Fri Jan 7 09:21:13 2005 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6402916A4CE for ; Fri, 7 Jan 2005 09:21:13 +0000 (GMT) Received: from shrike.submonkey.net (cpc2-cdif3-6-0-cust204.cdif.cable.ntl.com [81.103.67.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 106A643D39 for ; Fri, 7 Jan 2005 09:21:13 +0000 (GMT) (envelope-from setantae@submonkey.net) Received: from setantae by shrike.submonkey.net with local (Exim 4.43 (FreeBSD)) id 1CmqIx-000E8f-0d; Fri, 07 Jan 2005 09:21:11 +0000 Date: Fri, 7 Jan 2005 09:21:10 +0000 From: Ceri Davies To: kamalp@acm.org Message-ID: <20050107092110.GG49329@submonkey.net> Mail-Followup-To: Ceri Davies , kamalp@acm.org, Gerald Heinig , Robert Ryan , freebsd-hackers@freebsd.org References: <41DE4F3D.8050509@syskonnect.de> <20050107091004.83732.qmail@web52710.mail.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="QkXThh+LsIUYhkMH" Content-Disposition: inline In-Reply-To: <20050107091004.83732.qmail@web52710.mail.yahoo.com> X-PGP: finger ceri@FreeBSD.org User-Agent: Mutt/1.5.6i Sender: Ceri Davies cc: Gerald Heinig cc: freebsd-hackers@freebsd.org cc: Robert Ryan Subject: Re: Benchmark: NetBSD 2.0 beats FreeBSD 5.3 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jan 2005 09:21:13 -0000 --QkXThh+LsIUYhkMH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 07, 2005 at 01:10:04AM -0800, Kamal R. Prasad wrote: >=20 > > Hi Robert, > >=20 > > the benchmark you cited is for uniprocessor systems > > only. > > It says nothing about multiprocessor performance, > > which is what FreeBSD=20 > > is aiming for. > Doesn't the (ULE) scheduler have a switch to ensure > that performance is optimal on a uniprocessor machine > too? I don't know, but if it did that would only affect scheduling, and only in the ULE case at that. ULE was broken in 5.3-RELEASE. I don't really think that this benchmark is bad news for either OS. My only real concern are the process creation/termination results on FreeBSD. Ceri --=20 Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Einstein (attrib.) --QkXThh+LsIUYhkMH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFB3lSGocfcwTS3JF8RAgjJAJ9uObfcjWSmezBKHGoOoEHjNgEmkACgwO3I IdpgvseRqrQ83ofZQ9NvMZU= =O1Zp -----END PGP SIGNATURE----- --QkXThh+LsIUYhkMH--