Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262476AbVEMS42 (ORCPT ); Fri, 13 May 2005 14:56:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262490AbVEMSyV (ORCPT ); Fri, 13 May 2005 14:54:21 -0400 Received: from smtpout01-04.mesa1.secureserver.net ([64.202.165.79]:35781 "HELO smtpout01-04.mesa1.secureserver.net") by vger.kernel.org with SMTP id S262488AbVEMSt1 (ORCPT ); Fri, 13 May 2005 14:49:27 -0400 Message-ID: <4284F6B5.2080308@coyotegulch.com> Date: Fri, 13 May 2005 14:49:25 -0400 From: Scott Robert Ladd User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050511) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alan Cox CC: Andi Kleen , Gabor MICSKO , Linux Kernel Mailing List Subject: Re: Hyper-Threading Vulnerability References: <1115963481.1723.3.camel@alderaan.trey.hu> <1116009347.1448.489.camel@localhost.localdomain> In-Reply-To: <1116009347.1448.489.camel@localhost.localdomain> X-Enigmail-Version: 0.90.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 589 Lines: 14 Alan Cox wrote: > HT for most users is pretty irrelevant, its a neat idea but the > benchmarks don't suggest its too big a hit On real-world applications, I haven't seen HT boost performance by more than 15% on a Pentium 4 -- and the usual gain is around 5%, if anything at all. HT is a nice idea, but I don't enable it on my systems. ..Scott - 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/