Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 2 Jun 2002 01:12:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 2 Jun 2002 01:12:58 -0400 Received: from adsl-66-136-199-111.dsl.austtx.swbell.net ([66.136.199.111]:45698 "HELO digitalroadkill.net") by vger.kernel.org with SMTP id ; Sun, 2 Jun 2002 01:12:58 -0400 Subject: Re: P4 hyperthreading From: Austin Gonyou To: Davide Libenzi Cc: Louis Garcia , William Lee Irwin III , Linux Kernel Mailing List In-Reply-To: Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: http://www.digitalroadkill.net X-Mailer: Ximian Evolution 1.1.0.99 (Preview Release) Date: 02 Jun 2002 00:12:28 -0500 Message-Id: <1022994748.19674.0.camel@UberGeek> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Does anyone know if the P4 Xeon's use HT as well, or is it mainly for UP DP boxes? On Sat, 2002-06-01 at 22:04, Davide Libenzi wrote: > On 1 Jun 2002, Louis Garcia wrote: > > > I was just thinking about that. Do you now if this has a real speed > > improvement? > > intel claims up to 30-40% but i've never tried it. the bottleneck is that > they share fsb and cache but in any case having an extra exec-path might > help more than demage. this is for your sleepless nights : > > http://www.intel.com/technology/itj/2002/volume06issue01/art01_hyper/vol6iss1_art01.pdf > > > > > - Davide > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/