From owner-freebsd-questions@FreeBSD.ORG Tue Oct 26 21:00:50 2004 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 D75E916A4D1 for ; Tue, 26 Oct 2004 21:00:49 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.143]) by mx1.FreeBSD.org (Postfix) with ESMTP id 47D6643DA7 for ; Tue, 26 Oct 2004 21:00:41 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 1B6F851495; Tue, 26 Oct 2004 14:01:30 -0700 (PDT) Date: Tue, 26 Oct 2004 14:01:30 -0700 From: Kris Kennaway To: Alexandre Vieira Message-ID: <20041026210129.GA76812@xor.obsecurity.org> References: <755cb9fc041026135416b35f88@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline In-Reply-To: <755cb9fc041026135416b35f88@mail.gmail.com> User-Agent: Mutt/1.4.2.1i cc: freebsd-questions@freebsd.org Subject: Re: HT kernel 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: Tue, 26 Oct 2004 21:00:50 -0000 --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 26, 2004 at 09:54:45PM +0100, Alexandre Vieira wrote: > Hello, >=20 > I have a machine with an Intel p4 3.2ghz FSB800 w/ 1MB L2 cache and > I wanted to know your opinion about some kernel options that would > boost the performance of this kind of processor. Note that for a lot of workloads HT decreases performance. Kris --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBfrspWry0BWjoQKURAghAAKCCO3BnRTv0rfyPcEkD27+Fz3NP/QCfVSBp Wcjd7/dNjTMluA2gMX3Bz9I= =QGgm -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2--