From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14496 invoked by alias); 9 Nov 2009 06:43:27 -0000 Received: (qmail 14480 invoked by uid 22791); 9 Nov 2009 06:43:26 -0000 X-SWARE-Spam-Status: No, hits=-2.0 required=5.0 tests=AWL,BAYES_00,SARE_MILLIONSOF X-Spam-Check-By: sourceware.org Received: from smtp-100-sunday.nerim.net (HELO kraid.nerim.net) (62.4.16.100) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 09 Nov 2009 06:43:20 +0000 Received: from hector.lesours (ours.starynkevitch.net [213.41.244.95]) by kraid.nerim.net (Postfix) with ESMTP id 86D3CCF25C; Mon, 9 Nov 2009 07:43:18 +0100 (CET) Received: from [192.168.0.1] by hector.lesours with esmtp (Exim 4.69) (envelope-from ) id 1N7Nyk-0005M9-TP; Mon, 09 Nov 2009 07:43:55 +0100 Message-ID: <4AF7BA09.3030002@starynkevitch.net> Date: Mon, 09 Nov 2009 06:43:00 -0000 From: Basile STARYNKEVITCH User-Agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090701) MIME-Version: 1.0 To: Robert Dewar CC: GCC Mailing List Subject: Re: is LTO aimed for large programs? References: <4AF74E2A.2030703@starynkevitch.net> <4AF754C2.90508@adacore.com> In-Reply-To: <4AF754C2.90508@adacore.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2009-11/txt/msg00231.txt.bz2 Robert Dewar wrote: > > Compared to some of the application systems we deal with gcc is large, > but not very large. We have several Ada users with millions of lines of > code in a single program. Do you "sell" the -flto option to your customers? Do you suggest your big customers to recompile their 10MLOC Ada code with -flto? Did they (or you) already try doing that? Or should they use -fwhopr? Or perhaps they prefer a bit faster compilation time, only using -O1? Regards. -- Basile STARYNKEVITCH http://starynkevitch.net/Basile/ email: basilestarynkevitchnet mobile: +33 6 8501 2359 8, rue de la Faiencerie, 92340 Bourg La Reine, France *** opinions {are only mines, sont seulement les miennes} ***