From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3137 invoked by alias); 26 Jul 2005 22:27:23 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 3083 invoked by uid 22791); 26 Jul 2005 22:27:16 -0000 Received: from english-breakfast.cloud9.net (HELO english-breakfast.cloud9.net) (168.100.1.9) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Tue, 26 Jul 2005 22:27:16 +0000 Received: from english-breakfast.cloud9.net (localhost.cloud9.net [127.0.0.1]) by english-breakfast.cloud9.net (Postfix) with SMTP id C7D90B8D8; Tue, 26 Jul 2005 18:27:14 -0400 (EDT) Received: from keyslapper.net (250-119.customer.cloud9.net [168.100.250.119]) by english-breakfast.cloud9.net (Postfix) with ESMTP id 8EAC5B816; Tue, 26 Jul 2005 18:27:14 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by keyslapper.net (Postfix) with ESMTP id 24D02115B5; Tue, 26 Jul 2005 18:27:14 -0400 (EDT) Received: from keyslapper.net ([127.0.0.1]) by localhost (keyslapper.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 37357-09; Tue, 26 Jul 2005 18:27:14 -0400 (EDT) Received: by keyslapper.net (Postfix, from userid 1001) id ED54911454; Tue, 26 Jul 2005 18:27:13 -0400 (EDT) Date: Tue, 26 Jul 2005 22:27:00 -0000 From: Louis LeBlanc To: Robert Dewar Cc: Louis LeBlanc , Giovanni Bajo , gcc@gcc.gnu.org Subject: Re: gcc 3.3.6 - stack corruption questions Message-ID: <20050726222713.GH31352@keyslapper.net> Reply-To: Louis LeBlanc References: <20050725145524.GB71939@keyslapper.net> <036401c5912b$b8d51240$bf03030a@trilan> <20050725215959.GL71939@keyslapper.net> <0a4701c59168$2305b4d0$bf03030a@trilan> <20050726210635.GD31352@keyslapper.net> <42E6B091.5070501@adacore.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <42E6B091.5070501@adacore.com> User-Agent: Mutt/1.5.9i Content-Transfer-Encoding: quoted-printable X-AntiVirus: Checked by Vexira Antivirus v1.5 X-SW-Source: 2005-07/txt/msg01109.txt.bz2 On 07/26/05 05:52 PM, Robert Dewar sat at the `puter and typed: > Louis LeBlanc wrote: >=20 > > I also found, to my delight and surprise, that the same code appears > > to perform between 10% and 20% better - in a rough, fairly imprecise > > environment. >=20 > why surprise? I wasn't aware it was possible to get such a large boost just going to a newer compiler version and relatively minor code restructuring. Lou --=20 Louis LeBlanc leblanc@keyslapper.net Fully Funded Hobbyist, KeySlapper Extrordinaire :=FE http://www.keyslapper.net =D4=BF=D4=AC Key fingerprint =3D C5E7 4762 F071 CE3B ED51 4FB8 AF85 A2FE 80C8 D9A2 Age, n.: That period of life in which we compound for the vices that we still cherish by reviling those that we no longer have the enterprise to commi= t. -- Ambrose Bierce