From owner-freebsd-amd64@FreeBSD.ORG Thu May 19 01:08:31 2005 Return-Path: Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C351D16A4CE; Thu, 19 May 2005 01:08:31 +0000 (GMT) Received: from dragon.NUXI.org (trang.nuxi.com [66.93.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6CC1D43D58; Thu, 19 May 2005 01:08:31 +0000 (GMT) (envelope-from obrien@NUXI.com) Received: from dragon.NUXI.org (obrien@localhost [127.0.0.1]) by dragon.NUXI.org (8.13.3/8.13.3) with ESMTP id j4J18TWr064669; Wed, 18 May 2005 18:08:29 -0700 (PDT) (envelope-from obrien@dragon.NUXI.org) Received: (from obrien@localhost) by dragon.NUXI.org (8.13.3/8.13.1/Submit) id j4J18Sep064668; Wed, 18 May 2005 18:08:28 -0700 (PDT) (envelope-from obrien) Date: Wed, 18 May 2005 18:08:28 -0700 From: "David O'Brien" To: Brooks Davis Message-ID: <20050519010828.GA64608@dragon.NUXI.org> References: <428B6FC1.3000907@fsn.hu> <1116437340.69035.0.camel@hood.oook.cz> <20050518180521.GB9719@odin.ac.hmc.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=unknown-8bit Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20050518180521.GB9719@odin.ac.hmc.edu> X-Operating-System: FreeBSD 6.0-CURRENT Organization: The NUXI BSD Group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 User-Agent: Mutt/1.5.9i cc: Pav Lucistnik cc: freebsd-amd64@freebsd.org Subject: Re: FreeBSD on dual core Opterons - stupid buildworld test X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: obrien@freebsd.org List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 May 2005 01:08:31 -0000 On Wed, May 18, 2005 at 11:05:21AM -0700, Brooks Davis wrote: > On Wed, May 18, 2005 at 07:29:00PM +0200, Pav Lucistnik wrote: > > Attila Nagy pí?e v st 18. 05. 2005 v 18:39 +0200: > > > Hello, > > > > > > I did some buildworld tests on an HP BL45p with 4 2,2 GHz Opterons. > > > > > > Sequential time make buildworld -jX times (if there is a missing > > > iteration, then the build has failed): > > > > > http://people.fsn.hu/~bra/bl45p/dmesg.boot > > > > > Hyperthreading: 2 logical CPUs > > > > So dual-core Opterons report into system as Hyperthreading? Uncool. > > What the AMD reps said at a session I attended last year is that they > report as supporting hyper threading, but set another bit to say that > they are actually real cores. We probably need to find out what that > bit is. I'm taking care of this. Please no one commit any AMD Dual-core related patches (especially WRT HTT) with out passing them by me. thanks, -- -- David (obrien@FreeBSD.org)