Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261780AbVB1WRL (ORCPT ); Mon, 28 Feb 2005 17:17:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261783AbVB1WRL (ORCPT ); Mon, 28 Feb 2005 17:17:11 -0500 Received: from prgy-npn1.prodigy.com ([207.115.54.37]:51423 "EHLO oddball.prodigy.com") by vger.kernel.org with ESMTP id S261780AbVB1WRJ (ORCPT ); Mon, 28 Feb 2005 17:17:09 -0500 Message-ID: <4223998A.2090302@tmr.com> Date: Mon, 28 Feb 2005 17:22:02 -0500 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913 X-Accept-Language: en-us, en MIME-Version: 1.0 To: shabanip CC: linux-kernel@vger.kernel.org Subject: Re: kernel 2.6 hyperthreading References: <52679.69.93.110.242.1109288060.squirrel@69.93.110.242> In-Reply-To: <52679.69.93.110.242.1109288060.squirrel@69.93.110.242> 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: 723 Lines: 19 shabanip wrote: > enabling hyperthreading on kernel 2.6 how much affects the performance? Typically 10-30% depending on what you are doing. For some rare loads it could actually hurt a few percent, although I haven't personally ever seen that. It seems to make the desktop feel smoother, but I have no way to quantify that. -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - 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/