Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 24 Oct 2002 18:12:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 24 Oct 2002 18:12:41 -0400 Received: from gans.physik3.uni-rostock.de ([139.30.44.2]:12948 "EHLO gans.physik3.uni-rostock.de") by vger.kernel.org with ESMTP id ; Thu, 24 Oct 2002 18:12:40 -0400 Date: Fri, 25 Oct 2002 00:18:50 +0200 (CEST) From: Tim Schmielau To: Manfred Spraul cc: , Subject: Re: [CFT] faster athlon/duron memory copy implementation In-Reply-To: <3DB82ABF.8030706@colorfullife.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3494 Lines: 85 > 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? since everone seems to CC: lkml in the reply... Athlon-500, AMD-751 Irongate, PC800-222 ECC SDRAM > ./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 9998 cycles per page copy_page function '2.4 non MMX' took 15269 cycles per page copy_page function '2.4 MMX fallback' took 15192 cycles per page copy_page function '2.4 MMX version' took 10152 cycles per page copy_page function 'faster_copy' took 10264 cycles per page copy_page function 'even_faster' took 10013 cycles per page copy_page function 'no_prefetch' took 11527 cycles per page > ./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 9975 cycles per page copy_page function '2.4 non MMX' took 15513 cycles per page copy_page function '2.4 MMX fallback' took 15219 cycles per page copy_page function '2.4 MMX version' took 10009 cycles per page copy_page function 'faster_copy' took 10186 cycles per page copy_page function 'even_faster' took 10088 cycles per page copy_page function 'no_prefetch' took 11583 cycles per page > ./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 9967 cycles per page copy_page function '2.4 non MMX' took 15178 cycles per page copy_page function '2.4 MMX fallback' took 15178 cycles per page copy_page function '2.4 MMX version' took 10086 cycles per page copy_page function 'faster_copy' took 10124 cycles per page copy_page function 'even_faster' took 10025 cycles per page copy_page function 'no_prefetch' took 11524 cycles per page > lspci 00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] System Controller (rev 23) 00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] AGP Bridge (rev 01) 00:04.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone] (rev 64) 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 14) 00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) 00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 06) 00:07.3 USB Controller: VIA Technologies, Inc. UHCI USB (rev 06) 00:07.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 10) 01:05.0 VGA compatible controller: S3 Inc. 86c368 [Trio 3D/2X] (rev 02) > cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 1 model name : AMD-K7(tm) Processor stepping : 2 cpu MHz : 499.051 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat mmx syscall mmxext 3dnowext 3dnow bogomips : 992.87 Tim - 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/