From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264257AbTICSdf (ORCPT ); Wed, 3 Sep 2003 14:33:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264251AbTICScp (ORCPT ); Wed, 3 Sep 2003 14:32:45 -0400 Received: from pc1-cwma1-5-cust4.swan.cable.ntl.com ([80.5.120.4]:8397 "EHLO dhcp23.swansea.linux.org.uk") by vger.kernel.org with ESMTP id S264127AbTICSck (ORCPT ); Wed, 3 Sep 2003 14:32:40 -0400 Subject: Re: Scaling noise From: Alan Cox To: Larry McVoy Cc: William Lee Irwin III , "Brown, Len" , Giuliano Pochini , Linux Kernel Mailing List In-Reply-To: <20030903180755.GE5769@work.bitmover.com> References: <20030903173213.GC5769@work.bitmover.com> <20030903180702.GQ4306@holomorphy.com> <20030903180755.GE5769@work.bitmover.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1062613864.19980.24.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.4 (1.4.4-4) Date: Wed, 03 Sep 2003 19:31:06 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mer, 2003-09-03 at 19:07, Larry McVoy wrote: > Then explain why hyperthreading is turned off by default in Windows. Most people I know turn it off in windows because its a 5-10% performance boost (which is nice) but vendors bill it as an extra CPU licenses!