From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4994 invoked by alias); 31 Dec 2002 22:00:55 -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 4944 invoked from network); 31 Dec 2002 22:00:54 -0000 Received: from unknown (HELO lacrosse.corp.redhat.com) (66.187.233.200) by 209.249.29.67 with SMTP; 31 Dec 2002 22:00:54 -0000 Received: from tornado.toronto.redhat.com (IDENT:Js9PCcv1tTS2Z6jjb2DHmrw2CGfN/aSc@tornado.toronto.redhat.com [172.16.14.228]) by lacrosse.corp.redhat.com (8.11.6/8.9.3) with ESMTP id gBVM0fY29913; Tue, 31 Dec 2002 17:00:41 -0500 Received: from tornado.toronto.redhat.com (localhost [127.0.0.1]) by tornado.toronto.redhat.com (8.12.5/8.12.5) with ESMTP id gBVM0eZF017940; Tue, 31 Dec 2002 17:00:40 -0500 Received: (from dnovillo@localhost) by tornado.toronto.redhat.com (8.12.5/8.12.5/Submit) id gBVM0dji017938; Tue, 31 Dec 2002 17:00:39 -0500 Date: Tue, 31 Dec 2002 17:16:00 -0000 From: Diego Novillo To: Nathanael Nerode Cc: gcc@gcc.gnu.org Subject: Re: GCC still getting a lot slower Message-ID: <20021231220039.GA17793@tornado.toronto.redhat.com> References: <20021231214116.GA1953@doctormoo> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20021231214116.GA1953@doctormoo> User-Agent: Mutt/1.4i Organization: Red Hat Canada X-SW-Source: 2002-12/txt/msg01680.txt.bz2 On Tue, 31 Dec 2002, Nathanael Nerode wrote: > Can we test compile time change of some *fixed* piece of code, perhaps? > Fair enough. Look at SPEC build times then. http://people.redhat.com/dnovillo/spec95/gcc/global-build-secs_elapsed.html Dec16 Dec17 slowdown SPECint 272 secs 290 secs 6% SPECfp 64 secs 68 secs 6% The configury changes have indeed slowed down the bootstrap process significantly. Is this easily fixable? OTOH, 6% compile time slowdown is not good news. Diego.