From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2799 invoked by alias); 19 Jan 2004 04:37:26 -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 2792 invoked from network); 19 Jan 2004 04:37:25 -0000 Received: from unknown (HELO smtp3.libero.it) (193.70.192.127) by sources.redhat.com with SMTP; 19 Jan 2004 04:37:25 -0000 Received: from bagio (151.41.184.52) by smtp3.libero.it (7.0.020-DD01) id 3F6F04A6021CEE80; Mon, 19 Jan 2004 05:37:21 +0100 Message-ID: <24a301c3de45$ed34dc40$34b82997@bagio> From: "Giovanni Bajo" To: "Marc Espie" Cc: References: <90200277-4301-11D8-BDBD-000A95B1F520@apple.com> <20040110002526.GA13568@disaster.jaj.com> <82D6F34E-4306-11D8-BDBD-000A95B1F520@apple.com> <20040110154129.GA28152@disaster.jaj.com> <1073935323.3458.42.camel@minax.codesourcery.com> <1073951351.3458.162.camel@minax.codesourcery.com> <20040119013113.044D74895@quatramaran.ens.fr> Subject: Re: gcc 3.5 integration branch proposal Date: Mon, 19 Jan 2004 04:37:00 -0000 MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit X-SW-Source: 2004-01/txt/msg01238.txt.bz2 Marc Espie wrote: > updating from 2.8.1 to 2.95 slowed our compiles by ~30%, and the > on-going 2.95 to 3.3.2 update is slowing them by 30% more. Testcases would help. We seriously do care about all the compile-time regressions we have in bugzilla, but we have just a few of them. People should really file bugreports about it. > But seriously, the only claim of speed improvements I've seen that had > any kind of foundation was the inline `improvement', where the current > compiler as almost gone back to a par with the previous inlining > speed, before it went from rtl to function-at-a-time. GCC 3.4 is not that bad, it compiles much faster than 3.3 on several C++ testcases, especially with -O3 (thanks to unit-a-time). Try it. Giovanni Bajo