From owner-freebsd-alpha@FreeBSD.ORG Wed Feb 25 11:30:56 2004 Return-Path: Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CCB0F16A4CE; Wed, 25 Feb 2004 11:30:56 -0800 (PST) Received: from dragon.nuxi.com (trang.nuxi.com [66.93.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 735E943D1D; Wed, 25 Feb 2004 11:30:56 -0800 (PST) (envelope-from obrien@NUXI.com) Received: from dragon.nuxi.com (obrien@localhost [127.0.0.1]) by dragon.nuxi.com (8.12.10/8.12.10) with ESMTP id i1PJUtOJ067985; Wed, 25 Feb 2004 11:30:55 -0800 (PST) (envelope-from obrien@dragon.nuxi.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.12.11/8.12.11/Submit) id i1PJUsrK067984; Wed, 25 Feb 2004 11:30:54 -0800 (PST) (envelope-from obrien) Date: Wed, 25 Feb 2004 11:30:53 -0800 From: "David O'Brien" To: Chuck Swiger Message-ID: <20040225193053.GL7567@dragon.nuxi.com> References: <20040223192103.59ad7b69.lehmann@ans-netz.de> <20040224202652.GA13675@diogenis.ceid.upatras.gr> <5410C982-6730-11D8-8D4C-003065ABFD92@mac.com> <20040225025953.GH10121@gsmx07.alcatel.com.au> <403C3053.5030204@mac.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <403C3053.5030204@mac.com> User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 5.2-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 cc: freebsd-performance@freebsd.org cc: freebsd-alpha@freebsd.org Subject: Re: Bad performance on alpha? (make buildworld) X-BeenThere: freebsd-alpha@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-performance@freebsd.org, freebsd-alpha@freebsd.org List-Id: Porting FreeBSD to the Alpha List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Feb 2004 19:30:56 -0000 On Wed, Feb 25, 2004 at 12:19:15AM -0500, Chuck Swiger wrote: > >Maybe in theory, but not necessarily in practice. > > It's been a few years since I'd written a compiler, but my viewpoint isn't > based entirely on theory. ... > Your technical description is accurate, but the points you are making here > seem to support my argument, rather than contradict what I said. :-) You're assuming you're writing a compiler targeting _1_ specific architecture. It doesn't matter what is possible, what matters is what GCC does. Please go analysis GCC and report the deficiencies. I personally would love to know what they are, and how to make GCC do better on non-x86 platforms. -- -- David (obrien@FreeBSD.org)