Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 13 Dec 2002 12:43:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 13 Dec 2002 12:43:23 -0500 Received: from mailout01.sul.t-online.com ([194.25.134.80]:44752 "EHLO mailout01.sul.t-online.com") by vger.kernel.org with ESMTP id ; Fri, 13 Dec 2002 12:43:22 -0500 Message-Id: <4.3.2.7.2.20021213182103.00ae6f00@pop.t-online.de> X-Mailer: QUALCOMM Windows Eudora Version 4.3.2 Date: Fri, 13 Dec 2002 18:51:37 +0100 To: linux-kernel@vger.kernel.org From: margitsw@t-online.de (Margit Schubert-While) Subject: Re: Intel P6 vs P7 system call performance Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1008 Lines: 30 Well, in the 2.4.x kernels, the P4 gets compiled as a I686 with NO special treatment :-) (Not even prefetch, because of an ifdef bug) The P3 at least gets one level of prefetch and the AMD's get special compile options(arch=k6,athlon), full prefetch and SSE. >From Mike Hayward >Dual Pentium 4 Xeon 2.4Ghz 2.4.19 kernel 33661.9 lps (10 secs, 6 samples) Hmm, P4 2.4Ghz , also gcc -O3 -march=i686 margit:/disk03/bytebench-3.1/src # ./hanoi 10 576264 loops margit:/disk03/bytebench-3.1/src # ./hanoi 10 571001 loops margit:/disk03/bytebench-3.1/src # ./hanoi 10 571133 loops margit:/disk03/bytebench-3.1/src # ./hanoi 10 570517 loops margit:/disk03/bytebench-3.1/src # ./hanoi 10 571019 loops margit:/disk03/bytebench-3.1/src # ./hanoi 10 582688 loops Margit - 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/