Date: Sun, 27 Mar 2005 09:53:25 +0930 From: "Paul A. Hoadley" <paulh@logicsquad.net> To: John Pettitt <jpp@cloudview.com> Cc: freebsd-questions@freebsd.org Subject: Re: hyper threading. Message-ID: <20050327002325.GB64620@grover.logicsquad.net> In-Reply-To: <4245F61E.2000300@cloudview.com> References: <c6ef380c050326061976f164b@mail.gmail.com> <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>
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--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--
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