Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 24 Oct 2002 15:54:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 24 Oct 2002 15:54:11 -0400 Received: from crete.csd.uch.gr ([147.52.16.2]:59357 "EHLO crete.csd.uch.gr") by vger.kernel.org with ESMTP id ; Thu, 24 Oct 2002 15:54:09 -0400 Organization: Date: Fri, 25 Oct 2002 03:59:13 +0300 (EEST) From: Panagiotis Papadakos To: linux-kernel@vger.kernel.org Subject: Re: [CFT] faster athlon/duron memory copy implementation In-Reply-To: <3DB84C3E.1070709@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: 2358 Lines: 67 ASUS K7V 512 Mb PC-133 Athlon Slot-A 600 MhZ bash-2.05# cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 2 model name : AMD Athlon(tm) Processor stepping : 1 cpu MHz : 618.008 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 apic sep mtrr pge mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow bogomips : 1232.07 bash-2.05# ./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 10096 cycles per page copy_page function '2.4 non MMX' took 14856 cycles per page copy_page function '2.4 MMX fallback' took 14168 cycles per page copy_page function '2.4 MMX version' took 10754 cycles per page copy_page function 'faster_copy' took 5752 cycles per page copy_page function 'even_faster' took 5694 cycles per page copy_page function 'no_prefetch' took 6560 cycles per page bash-2.05# ./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 10851 cycles per page copy_page function '2.4 non MMX' took 14726 cycles per page copy_page function '2.4 MMX fallback' took 14390 cycles per page copy_page function '2.4 MMX version' took 11390 cycles per page copy_page function 'faster_copy' took 5490 cycles per page copy_page function 'even_faster' took 5655 cycles per page copy_page function 'no_prefetch' took 5906 cycles per page bash-2.05# ./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 9819 cycles per page copy_page function '2.4 non MMX' took 14897 cycles per page copy_page function '2.4 MMX fallback' took 15609 cycles per page copy_page function '2.4 MMX version' took 10374 cycles per page copy_page function 'faster_copy' took 5759 cycles per page copy_page function 'even_faster' took 5609 cycles per page copy_page function 'no_prefetch' took 6059 cycles per page - 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/