Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265697AbTFNSMo (ORCPT ); Sat, 14 Jun 2003 14:12:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265698AbTFNSMo (ORCPT ); Sat, 14 Jun 2003 14:12:44 -0400 Received: from avocet.mail.pas.earthlink.net ([207.217.120.50]:40883 "EHLO avocet.mail.pas.earthlink.net") by vger.kernel.org with ESMTP id S265697AbTFNSMm (ORCPT ); Sat, 14 Jun 2003 14:12:42 -0400 Message-ID: <3EEB6A4B.7040106@mindspring.com> Date: Sat, 14 Jun 2003 11:32:43 -0700 From: Joe User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3) Gecko/20030312 X-Accept-Language: en, en-us MIME-Version: 1.0 To: root@chaos.analogic.com CC: linux-kernel@vger.kernel.org Subject: Re: Xeon processors &&Hyper-Threading References: <3EE9FDFA.6020803@mindspring.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1556 Lines: 48 Thanks, I was asked this by one of our clients, and told them that they would probably have to recompile their kernel. Joe Richard B. Johnson wrote: > On Fri, 13 Jun 2003, Joe wrote: > > >>Does Linux support the Xeon (p4) processor and its capabilities? >> >>The company I work for recently ported its application to Linux and one >>of our current HP clients asked this and I figure it would be just a >>recompile the kernel as a P4, but not sure if this would do it. >> >>I'm not asking if Linux can RUN the Xeon processor. >> >>I'm asking if Linux processor takes any advantage of the Hyper-Threading >>built into this processor? >> >>below is a link to more info on this. >> >>http://www.intel.com/design/xeon/prodbref/ >> >>Joe >> > > > You recompile the kernel for SMP as well as P4. If the motherboard > hasn't disabled HT capabilities, you will take full advantage of > the processor under Linux. Whatever "full advantage" means, is > not absolute, but whatever it is, will be used to its fullest. > Basically, if the code is I/O bound, you'll not see any difference. > If the code is compute-intensive, you will. > > Cheers, > Dick Johnson > Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips). > Why is the government concerned about the lunatic fringe? Think about it. > > - 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/