From owner-freebsd-questions@FreeBSD.ORG Sun Mar 27 00:23:28 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 927C116A4CE for ; Sun, 27 Mar 2005 00:23:28 +0000 (GMT) Received: from grover.logicsquad.net (ppp142-130.lns1.adl2.internode.on.net [150.101.142.130]) by mx1.FreeBSD.org (Postfix) with SMTP id 215CA43D2D for ; Sun, 27 Mar 2005 00:23:27 +0000 (GMT) (envelope-from paulh@logicsquad.net) Received: (qmail 71454 invoked by uid 1000); 27 Mar 2005 00:23:25 -0000 Date: Sun, 27 Mar 2005 09:53:25 +0930 From: "Paul A. Hoadley" To: John Pettitt Message-ID: <20050327002325.GB64620@grover.logicsquad.net> References: <1641928994.20050326192811@wanadoo.fr> <8C700529A2DFD74-A44-3A157@mblk-d34.sysops.aol.com> <439876144.20050326220638@wanadoo.fr> <8C7006AE7E80573-FAC-3B652@mblk-r28.sysops.aol.com> <49251524.20050326234521@wanadoo.fr> <20050326232753.GA64620@grover.logicsquad.net> <4245F61E.2000300@cloudview.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ftEhullJWpWg/VHq" Content-Disposition: inline In-Reply-To: <4245F61E.2000300@cloudview.com> User-Agent: Mutt/1.4.2.1i cc: freebsd-questions@freebsd.org Subject: Re: hyper threading. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Mar 2005 00:23:28 -0000 --ftEhullJWpWg/VHq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello, On Sat, Mar 26, 2005 at 03:54:06PM -0800, John Pettitt wrote: >=20 > Paul A. Hoadley wrote: >=20 > >I note a slight difference in the 10 minute load average in favour > >of the uniprocessor run (0.00 vs 0.10 in the hyperthreading run), > >though I doubt this alone could account for a 15% difference in > >total score. > > Notice the HT run had load on the box (0.31) when it started. If > you're going to run benchmarks you need to start with a clean reboot > before each run and make sure all the background daemons have been > killed and and the load is zero. You are absolutely right, and I did note the difference in load averages. I'm not making any claims---someone asked for measurements, and I happened to have these handy. --=20 Paul. w http://logicsquad.net/ h http://paul.hoadley.name/ --ftEhullJWpWg/VHq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFCRfz9730Z/jysbzIRAoz8AJ91IgrjKISDlDiUaIOouj/WcnbCYACeJ9B/ PTFVVCbBGV2roWwnD+E7DGc= =Ojp+ -----END PGP SIGNATURE----- --ftEhullJWpWg/VHq--