From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267179AbUHRCgr (ORCPT ); Tue, 17 Aug 2004 22:36:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268583AbUHRCgr (ORCPT ); Tue, 17 Aug 2004 22:36:47 -0400 Received: from mx1.redhat.com ([66.187.233.31]:32685 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S267179AbUHRCgq (ORCPT ); Tue, 17 Aug 2004 22:36:46 -0400 Date: Tue, 17 Aug 2004 19:33:38 -0700 From: "David S. Miller" To: Jens Maurer Cc: linux-kernel@vger.kernel.org, arjanv@redhat.com Subject: Re: [PATCH] Use x86 SSE instructions for clear_page, copy_page Message-Id: <20040817193338.16f57197.davem@redhat.com> In-Reply-To: <41228946.5040207@gmx.net> References: <4121A211.8080902@gmx.net> <1092727670.2792.4.camel@laptop.fenrus.com> <41228946.5040207@gmx.net> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 18 Aug 2004 00:40:06 +0200 Jens Maurer wrote: > What is a set of useful benchmarks to find out which approach > is better? Time kernel builds on an otherwise totally idle machine. Do multiple runs so that the cache gets loaded and you're testing the memory accesses rather than disk reads.