Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 24 Oct 2002 14:42:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 24 Oct 2002 14:42:29 -0400 Received: from [217.7.64.198] ([217.7.64.198]:1718 "EHLO mx1.net4u.de") by vger.kernel.org with ESMTP id ; Thu, 24 Oct 2002 14:42:27 -0400 Content-Type: text/plain; charset=US-ASCII From: Ernst Herzberg Reply-To: earny@net4u.de To: Manfred Spraul , linux-kernel@vger.kernel.org Subject: Re: [CFT] faster athlon/duron memory copy implementation Date: Thu, 24 Oct 2002 20:48:36 +0200 User-Agent: KMail/1.4.3 Cc: arjanv@redhat.com References: <3DB82ABF.8030706@colorfullife.com> In-Reply-To: <3DB82ABF.8030706@colorfullife.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <200210242048.36859.earny@net4u.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2451 Lines: 54 On Donnerstag, 24. Oktober 2002 19:15, Manfred Spraul wrote: > Attached is a test app that compares several memory copy implementations. > Could you run it and report the results to me, together with cpu, > chipset and memory type? > > Please run 2 or 3 times. CPU: AMD Athlon(tm) XP 1800+ stepping 02 00:00.0 Host bridge: VIA Technologies, Inc.: Unknown device 3116 00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266 AGP] 512 MB DDR266 (Mem FSB changed to 100MHz due to memory problems) copy_page() tests copy_page function 'warm up run' took 20103 cycles per page copy_page function '2.4 non MMX' took 22612 cycles per page copy_page function '2.4 MMX fallback' took 22585 cycles per page copy_page function '2.4 MMX version' took 20088 cycles per page copy_page function 'faster_copy' took 12198 cycles per page copy_page function 'even_faster' took 12266 cycles per page copy_page function 'no_prefetch' took 9244 cycles per page earny@dev:~/x> ./a.out Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $ copy_page() tests copy_page function 'warm up run' took 20051 cycles per page copy_page function '2.4 non MMX' took 22580 cycles per page copy_page function '2.4 MMX fallback' took 22610 cycles per page copy_page function '2.4 MMX version' took 20124 cycles per page copy_page function 'faster_copy' took 12276 cycles per page copy_page function 'even_faster' took 12262 cycles per page copy_page function 'no_prefetch' took 9213 cycles per page earny@dev:~/x> ./a.out Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $ copy_page() tests copy_page function 'warm up run' took 20150 cycles per page copy_page function '2.4 non MMX' took 22646 cycles per page copy_page function '2.4 MMX fallback' took 22638 cycles per page copy_page function '2.4 MMX version' took 20073 cycles per page copy_page function 'faster_copy' took 12191 cycles per page copy_page function 'even_faster' took 12261 cycles per page copy_page function 'no_prefetch' took 9218 cycles per page ------------------ Wow! - 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/