From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.43) id 1DxFbn-0000JH-26 for garchives@archives.gentoo.org; Tue, 26 Jul 2005 02:55:55 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.4/8.13.4) with SMTP id j6Q2rfYu009637; Tue, 26 Jul 2005 02:53:41 GMT Received: from home.worldcontrol.com (adsl-66-125-76-26.dsl.sntc01.pacbell.net [66.125.76.26]) by robin.gentoo.org (8.13.4/8.13.4) with ESMTP id j6Q2rbY3016345 for ; Tue, 26 Jul 2005 02:53:40 GMT Received: from worldcontrol.com (unknown [172.16.1.10]) by home.worldcontrol.com (Postfix) with SMTP id 25FE22B4E26 for ; Mon, 25 Jul 2005 19:53:40 -0700 (PDT) Received: by worldcontrol.com (sSMTP sendmail emulation); Mon, 25 Jul 2005 19:54:51 -0700 Date: Mon, 25 Jul 2005 19:54:51 -0700 From: Brian Litzinger To: gentoo-amd64@lists.gentoo.org Subject: Re: [gentoo-amd64] x86_64 optimization patches for glibc. Message-ID: <20050726025451.GA18145@localhost> References: <42E258A7.5080501@telia.com> <1122136577.16577.2.camel@localhost> <20050723184442.GA17480@localhost> <200507252224.52700.luke-jr@utopios.org> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-amd64@gentoo.org Reply-to: gentoo-amd64@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200507252224.52700.luke-jr@utopios.org> X-No-Archive: yes X-Noarchive: yes User-Agent: Mutt/1.5.8i X-Archives-Salt: 4661f97c-9dc5-4ba2-acc9-5c5bb5957105 X-Archives-Hash: 0f54de37d6f685d412f02fb902f27550 On Mon, Jul 25, 2005 at 10:24:46PM +0000, Luke-Jr wrote: > On Saturday 23 July 2005 18:44, Brian Litzinger wrote: > > > On Sat, 2005-07-23 at 16:48 +0200, Simon Strandman wrote: > > > > Memory to memory copy rate = 1291.600098 MBytes / sec. Block size = > > > > Memory to memory copy rate = 2389.321777 MBytes / sec. Block size = > > Memory to memory copy rate = 1302.701782 MBytes / sec. Block size = > > Memory to memory copy rate = 2051.979980 MBytes / sec. Block size = > > Before: Memory to memory copy rate = 557.960449 MBytes / sec. Block size = > After: Memory to memory copy rate = 1120.773804 MBytes / sec. Block size = > > Anyone have a clue why I'm getting half what everyone else gets? o.O One of the arguments to memcpy is the clock rate in MHz of *your* CPU. Did you adjust it appropriate for your system? -- Brian Litzinger -- gentoo-amd64@gentoo.org mailing list