From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262425AbUEQVst (ORCPT ); Mon, 17 May 2004 17:48:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262422AbUEQVst (ORCPT ); Mon, 17 May 2004 17:48:49 -0400 Received: from mail.tmr.com ([216.238.38.203]:56580 "EHLO gatekeeper.tmr.com") by vger.kernel.org with ESMTP id S262425AbUEQVss (ORCPT ); Mon, 17 May 2004 17:48:48 -0400 To: linux-kernel@vger.kernel.org Path: not-for-mail From: Bill Davidsen Newsgroups: mail.linux-kernel Subject: Re: Linux Kernel 2.6 SMP+HT + 1 Intel P4 HT CPU Date: Mon, 17 May 2004 17:51:03 -0400 Organization: TMR Associates, Inc Message-ID: References: <20040514133947.GB21039@outpost.ds9a.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Trace: gatekeeper.tmr.com 1084830326 21835 192.168.12.100 (17 May 2004 21:45:26 GMT) X-Complaints-To: abuse@tmr.com User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031208 X-Accept-Language: en-us, en In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Justin Piszcz wrote: > So essentially, if one does not enable SMP in Linux, they are not taking > advantage of hyper threading!? > > On Fri, 14 May 2004, bert hubert wrote: > > >>On Fri, May 14, 2004 at 08:49:39AM -0400, Justin Piszcz wrote: >> >>>Why would you use SMP on an HT cpu? >>>Is this reccomended? >> >>Yes, it acts like one. Not any performance gain, at least. However, people in comp.sys.intel report that the CPU runs cooler with HT enabled, even if you don't use it. Since this was a number of reports, you may want to check it on your own if you care. No, I don't know why. -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me