From owner-freebsd-sparc64@FreeBSD.ORG Wed Aug 6 23:44:29 2003 Return-Path: Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D286237B401 for ; Wed, 6 Aug 2003 23:44:29 -0700 (PDT) Received: from dragon.nuxi.com (trang.nuxi.com [66.93.134.19]) by mx1.FreeBSD.org (Postfix) with ESMTP id 42DBC43F85 for ; Wed, 6 Aug 2003 23:44:29 -0700 (PDT) (envelope-from obrien@NUXI.com) Received: from dragon.nuxi.com (obrien@localhost [127.0.0.1]) by dragon.nuxi.com (8.12.9/8.12.9) with ESMTP id h776iSQX069218; Wed, 6 Aug 2003 23:44:28 -0700 (PDT) (envelope-from obrien@dragon.nuxi.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.12.9/8.12.9/Submit) id h776iQiR069217; Wed, 6 Aug 2003 23:44:26 -0700 (PDT) Date: Wed, 6 Aug 2003 23:44:26 -0700 From: "David O'Brien" To: Kris Kennaway Message-ID: <20030807064426.GA69176@dragon.nuxi.com> References: <20030807062536.GA68747@dragon.nuxi.com> <20030807063210.GA72779@rot13.obsecurity.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030807063210.GA72779@rot13.obsecurity.org> User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 5.1-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: sparc64@freebsd.org Subject: Re: ponderous 'make world' times post GCC 3.3... X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: obrien@freebsd.org List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Aug 2003 06:44:30 -0000 On Wed, Aug 06, 2003 at 11:32:10PM -0700, Kris Kennaway wrote: > On Wed, Aug 06, 2003 at 11:25:36PM -0700, David O'Brien wrote: > > Am I the only one that saw 'make world' go from almost 3 hours with GCC > > 3.2 to: > > Nope, that's just gcc 3.3. Someone had a reference to some benchmarks > the gcc people did that showed progressive slowdowns over the course > of the gcc 3.x branch. It has been argued by Richard Henderson (urber GCC hacker) that 3.3 is no slower than 3.2. I'm now thinking that this is a cache-size issue. I wonder if GCC is blowing out my tiny 256KB cache. -- -- David (obrien@FreeBSD.org)