From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 16 Apr 2007 16:11:15 +0100 (BST) Received: from [222.92.8.141] ([222.92.8.141]:38016 "HELO lemote.com") by ftp.linux-mips.org with SMTP id S20023319AbXDPPLN (ORCPT ); Mon, 16 Apr 2007 16:11:13 +0100 Received: (qmail 8073 invoked by uid 511); 16 Apr 2007 15:13:13 -0000 Received: from unknown (HELO ?192.168.1.63?) (222.92.8.142) by lemote.com with SMTP; 16 Apr 2007 15:13:13 -0000 Message-ID: <462391D5.90707@lemote.com> Date: Mon, 16 Apr 2007 23:10:13 +0800 From: Zhang Fuxin User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: Thiemo Seufer , Linux/MIPS Development Subject: Re: [PATCH 2/16] arch related Makefile update for lemote fulong mini-PC References: <11766507651736-git-send-email-tiansm@lemote.com> <11766507661317-git-send-email-tiansm@lemote.com> <11766507661726-git-send-email-tiansm@lemote.com> <20070415222847.GA1402@networkno.de> <4623387F.3070905@lemote.com> <20070416124422.GB1402@networkno.de> In-Reply-To: <20070416124422.GB1402@networkno.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 14871 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: zhangfx@lemote.com Precedence: bulk X-list: linux-mips Thiemo Seufer 写道: > Maybe. The 'mips3' maps to -march=r4000, it would assume more memory > latency and a slower integer divider then -march=r4600. > Just like Ralf has said, -march might not lead to significant performance difference, but -mtune= may. Two years ago, I found that adding a machine.def to descripe pipeline and resources for loongson2 and -mtune=loongson boost many programs by 2-5%。 > > Thiemo > > >