From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18075 invoked by alias); 21 Feb 2014 13:31:56 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 17755 invoked by uid 48); 21 Feb 2014 13:31:52 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/60291] [4.7/4.8/4.9 Regression] slow compile times for any mode (-O0/-O1/-O2) on large .c source file (30MBs) Date: Fri, 21 Feb 2014 13:31:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.8.2 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-02/txt/msg02235.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60291 --- Comment #15 from Richard Biener --- And with http://gcc.gnu.org/ml/gcc-patches/2014-02/msg01314.html we get at -O0 expand : 1.59 ( 5%) usr 0.05 ( 1%) sys 1.72 ( 5%) wall 261220 kB (13%) ggc TOTAL : 29.96 6.17 36.12 1991207 kB and -Og and -O1. expand : 1.03 ( 2%) usr 0.16 ( 2%) sys 1.44 ( 2%) wall 196031 kB ( 9%) ggc TOTAL : 49.82 9.01 58.80 2280015 kB