From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18297 invoked by alias); 20 Jan 2004 15:13:03 -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 18289 invoked from network); 20 Jan 2004 15:13:02 -0000 Received: from unknown (HELO nevyn.them.org) (66.93.172.17) by sources.redhat.com with SMTP; 20 Jan 2004 15:13:02 -0000 Received: from drow by nevyn.them.org with local (Exim 4.30 #1 (Debian)) id 1AixYs-0006pj-LP for ; Tue, 20 Jan 2004 10:13:02 -0500 Date: Tue, 20 Jan 2004 15:13:00 -0000 From: Daniel Jacobowitz To: gcc@gcc.gnu.org Subject: Re: gcc 3.5 integration branch proposal Message-ID: <20040120151302.GB1348@nevyn.them.org> Mail-Followup-To: gcc@gcc.gnu.org References: <20040110154129.GA28152@disaster.jaj.com> <1073935323.3458.42.camel@minax.codesourcery.com> <1073951351.3458.162.camel@minax.codesourcery.com> <20040119013113.044D74895@quatramaran.ens.fr> <400BB40B.4070101@dsvr.net> <871xpvp9d7.fsf@egil.codesourcery.com> <20040120100839.GA21361@atrey.karlin.mff.cuni.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040120100839.GA21361@atrey.karlin.mff.cuni.cz> User-Agent: Mutt/1.5.1i X-SW-Source: 2004-01/txt/msg01503.txt.bz2 On Tue, Jan 20, 2004 at 11:08:39AM +0100, Jan Hubicka wrote: > > I compiled GCC 3.4-to-be with profiling instrumentation and ran it > > Each sample counts as 0.01 seconds. > > % cumulative self self total > > time seconds seconds calls s/call s/call name > > 4.40 0.67 0.67 661 0.00 0.00 store_bindings > > 2.95 1.12 0.45 372916 0.00 0.00 ggc_alloc > > I am not sure why ggc_alloc comes in second; checking is disabled so Because it's a small, frequently called function, and you used profiling instrumentation, I'd assume. This is famous for skewing profiles. -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer