Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 24 Oct 2002 15:37:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 24 Oct 2002 15:37:30 -0400 Received: from roc-24-169-118-30.rochester.rr.com ([24.169.118.30]:33251 "EHLO death.krwtech.com") by vger.kernel.org with ESMTP id ; Thu, 24 Oct 2002 15:37:28 -0400 Date: Thu, 24 Oct 2002 15:43:28 -0400 (EDT) From: Ken Witherow X-X-Sender: ken@death Reply-To: Ken Witherow To: Manfred Spraul cc: linux-kernel@vger.kernel.org Subject: Re: [CFT] faster athlon/duron memory copy implementation In-Reply-To: <3DB849EF.1050904@colorfullife.com> Message-ID: Organization: KRW Technologies 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: 3309 Lines: 90 [ken@death ken]$ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 6 model name : AMD Athlon(tm) MP 1800+ stepping : 2 cpu MHz : 1533.408 cache size : 256 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 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow bogomips : 3060.53 processor : 1 vendor_id : AuthenticAMD cpu family : 6 model : 6 model name : AMD Athlon(tm) Processor stepping : 2 cpu MHz : 1533.408 cache size : 256 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 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow bogomips : 3060.53 Running on a Tyan S2460 (760MP chipset) [ken@death ken]$ ./athlon 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 16742 cycles per page copy_page function '2.4 non MMX' took 18632 cycles per page copy_page function '2.4 MMX fallback' took 18948 cycles per page copy_page function '2.4 MMX version' took 16772 cycles per page copy_page function 'faster_copy' took 10157 cycles per page copy_page function 'even_faster' took 10406 cycles per page copy_page function 'no_prefetch' took 8865 cycles per page [ken@death ken]$ ./athlon 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 16804 cycles per page copy_page function '2.4 non MMX' took 18712 cycles per page copy_page function '2.4 MMX fallback' took 18630 cycles per page copy_page function '2.4 MMX version' took 16810 cycles per page copy_page function 'faster_copy' took 10211 cycles per page copy_page function 'even_faster' took 10462 cycles per page copy_page function 'no_prefetch' took 8858 cycles per page [ken@death ken]$ ./athlon 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 16877 cycles per page copy_page function '2.4 non MMX' took 18692 cycles per page copy_page function '2.4 MMX fallback' took 18557 cycles per page copy_page function '2.4 MMX version' took 16763 cycles per page copy_page function 'faster_copy' took 10206 cycles per page copy_page function 'even_faster' took 10325 cycles per page copy_page function 'no_prefetch' took 8892 cycles per page -- Ken Witherow ICQ: 21840670 AIM: phantomlordken http://www.krwtech.com/ken - 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/