From owner-freebsd-amd64@FreeBSD.ORG Mon Jun 25 03:41:02 2007 Return-Path: X-Original-To: freebsd-amd64@freebsd.org Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E9EFF16A400; Mon, 25 Jun 2007 03:41:02 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from mxout5.cac.washington.edu (mxout5.cac.washington.edu [140.142.32.135]) by mx1.freebsd.org (Postfix) with ESMTP id C84E713C45B; Mon, 25 Jun 2007 03:41:02 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from smtp.washington.edu (smtp.washington.edu [140.142.32.139]) by mxout5.cac.washington.edu (8.13.7+UW06.06/8.13.7+UW07.05) with ESMTP id l5P3f250028707 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 24 Jun 2007 20:41:02 -0700 X-Auth-Received: from [192.168.10.45] (c-24-10-12-194.hsd1.ca.comcast.net [24.10.12.194]) (authenticated authid=youshi10) by smtp.washington.edu (8.13.7+UW06.06/8.13.7+UW07.03) with ESMTP id l5P3esnZ016456 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 24 Jun 2007 20:41:01 -0700 Message-ID: <467F3946.6020703@u.washington.edu> Date: Sun, 24 Jun 2007 20:40:54 -0700 From: Garrett Cooper User-Agent: Thunderbird 2.0.0.4 (X11/20070621) MIME-Version: 1.0 To: Martin Turgeon References: <467EFF06.6020902@gmail.com> In-Reply-To: <467EFF06.6020902@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.3.1.294258, Antispam-Engine: 2.5.1.298604, Antispam-Data: 2007.6.24.202333 X-Uwash-Spam: Gauge=IIIIIII, Probability=7%, Report='__CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' Cc: freebsd-hackers@freebsd.org, freebsd-amd64@freebsd.org Subject: Re: Which CPUTYPE for a dualcore Xeon on AMD64 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jun 2007 03:41:03 -0000 Martin Turgeon wrote: > Hi, > > I recently installed AMD64 6.2 Release on 2 PowerEdge servers, both with > dual core Xeon (3070 and 5110). I noticed when I was updating the > sources that it was compiling as an Athlonxp by default. I was wondering > if I should change the CPUTYPE in make.conf to something else. I read at > some places that it is not recommended because it could cause problems > but I thought it would be interesting to start the debate here. Please > note that I would prefer not to go with the -STABLE or -CURRENT branch > because these a going to be essential productions servers. > > Thank you for your opinions, > > Martin It's preferred to be nocona for 64-bit support (EMT-64 support to be exact) and prescott for 32-bit only support. There should be a core2duo CPUTYPE rolling around the corner in the near future IIRC, but that will most likely be in gcc 4.3, which I believe it slated for being stable 1~1.5 years from now. -Garrett