From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29326 invoked by alias); 3 Feb 2015 21:33:01 -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 29282 invoked by uid 48); 3 Feb 2015 21:32:57 -0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug other/64928] Inordinate cpu time and memory usage in "phase opt and generate" with -ftest-coverage -fprofile-arcs Date: Tue, 03 Feb 2015 21:33:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: other X-Bugzilla-Version: 4.9.2 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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: 2015-02/txt/msg00270.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #2 from Andrew Pinski --- Note phase opt and generate is a toplevel time area. The passes which take most of the time are: tree DSE : 2.80 ( 8%) usr 0.00 ( 0%) sys 2.80 ( 8%) wall 0 kB ( 0%) ggc out of ssa : 5.90 (16%) usr 0.50 (59%) sys 6.41 (17%) wall 26 kB ( 0%) ggc CSE : 7.53 (21%) usr 0.01 ( 1%) sys 7.53 (20%) wall 30934 kB ( 6%) ggc reload CSE regs : 5.74 (16%) usr 0.00 ( 0%) sys 5.73 (16%) wall 12325 kB ( 2%) ggc scheduling 2 : 1.79 ( 5%) usr 0.01 ( 1%) sys 1.77 ( 5%) wall 299 kB ( 0%) ggc