Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 24 Oct 2002 17:55:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 24 Oct 2002 17:55:06 -0400 Received: from amsfep13-int.chello.nl ([213.46.243.24]:20020 "EHLO amsfep13-int.chello.nl") by vger.kernel.org with ESMTP id ; Thu, 24 Oct 2002 17:55:05 -0400 Subject: Re: [CFT] faster athlon/duron memory copy implementation From: Harm Verhagen To: linux-kernel@vger.kernel.org Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 25 Oct 2002 00:01:09 +0200 Message-Id: <1035496870.5266.3.camel@pchome> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2020 Lines: 54 Athlon XP 1800+, VIA KT333, 256MB DDR2100 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 16180 cycles per page copy_page function '2.4 non MMX' took 17913 cycles per page copy_page function '2.4 MMX fallback' took 18610 cycles per page copy_page function '2.4 MMX version' took 16200 cycles per page copy_page function 'faster_copy' took 9908 cycles per page copy_page function 'even_faster' took 10117 cycles per page copy_page function 'no_prefetch' took 6993 cycles per page [harm@pchome memcpy2]$ ./memcpy 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 16293 cycles per page copy_page function '2.4 non MMX' took 17929 cycles per page copy_page function '2.4 MMX fallback' took 18637 cycles per page copy_page function '2.4 MMX version' took 16209 cycles per page copy_page function 'faster_copy' took 9907 cycles per page copy_page function 'even_faster' took 10122 cycles per page copy_page function 'no_prefetch' took 6964 cycles per page harm@pchome memcpy2]$ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 6 model name : AMD Athlon(TM) XP 1800+ stepping : 2 cpu MHz : 1532.941 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 tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow bogomips : 3060.53 - 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/