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 1ECUJA-0002F5-PK for garchives@archives.gentoo.org; Tue, 06 Sep 2005 03:39:41 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.4/8.13.4) with SMTP id j863ZZ82027298; Tue, 6 Sep 2005 03:35:35 GMT Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.196]) by robin.gentoo.org (8.13.4/8.13.4) with ESMTP id j863Vt9U032346 for ; Tue, 6 Sep 2005 03:31:57 GMT Received: by zproxy.gmail.com with SMTP id x7so839770nzc for ; Mon, 05 Sep 2005 20:35:11 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=B7Zcmny+t2ExHiU/tQjH85z4l8cdSlUMh8u1vKagwKZ3y7szNH45obewwcIUR1oqTG4x7znAEurjUq6izTsQ0v8GBCQRDvdyB3pL2/w2Si2aZ6t9Dr5QJ/LlU4Lwvl4Iun7iyFvMZtqR4ODxeI7v8lzveSLZLfZJ/GHwsag2b9E= Received: by 10.36.79.10 with SMTP id c10mr2800754nzb; Mon, 05 Sep 2005 20:35:10 -0700 (PDT) Received: by 10.36.60.4 with HTTP; Mon, 5 Sep 2005 20:35:10 -0700 (PDT) Message-ID: <5bdc1c8b050905203562781e3e@mail.gmail.com> Date: Mon, 5 Sep 2005 20:35:10 -0700 From: Mark Knecht To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] cpu flags / USE flags / compiler flags In-Reply-To: <20050905202531.28262392@chi.speakeasy.net> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline References: <5bdc1c8b05083109046b8ebdf7@mail.gmail.com> <20050904032719.GA6185@waltdnes.org> <200509040821.47958.volker.armin.hemmann@tu-clausthal.de> <20050905015910.GA13642@waltdnes.org> <20050905202531.28262392@chi.speakeasy.net> Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by robin.gentoo.org id j863Vt9U032346 X-Archives-Salt: dfd0e64b-5757-4ee0-925b-3c030e21e3ec X-Archives-Hash: 1daf8ba034fd4f468d32aa9436cfe695 On 9/5/05, Bob Sanders wrote: > If you want to prove that Opterons are faster than Xeons, you'll buy a copy of the PathScale > compiler for the Opterons and use Intel's compiler for the Xeons. > > Bob Bob, I don't think this was ever the point. The question was: "For this specific machine what would be the best flags?" I have a specific revision of the AMD64 process. What flags should I use? Possibly some sort of test could compile lots of things, look at numbers, and allow me to make a quantitive decision instead of just shooting in the dark. - Mark -- gentoo-user@gentoo.org mailing list