From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14467 invoked by alias); 17 Oct 2005 10:01:18 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 14334 invoked by uid 48); 17 Oct 2005 10:01:11 -0000 Date: Mon, 17 Oct 2005 10:01:00 -0000 Message-ID: <20051017100111.14333.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/23835] [4.1 Regression] case where gcc 4.1.0 -O3 compile takes two times longer earlier versions In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jaffe at broad dot mit dot edu" X-SW-Source: 2005-10/txt/msg02273.txt.bz2 List-Id: ------- Comment #21 from jaffe at broad dot mit dot edu 2005-10-17 10:01 ------- % gcc -O3 -ftime-report -c test.ii |& grep usr | sort -t : +1 -n -r | head -10 tree SSA incremental : 3.19 (12%) usr 0.02 ( 2%) sys 3.18 (11%) wall 8995 kB ( 2%) ggc scheduling 2 : 2.03 ( 8%) usr 0.01 ( 1%) sys 2.05 ( 7%) wall 15312 kB ( 3%) ggc scheduling : 1.52 ( 6%) usr 0.00 ( 0%) sys 1.53 ( 5%) wall 7838 kB ( 2%) ggc expand : 1.32 ( 5%) usr 0.01 ( 1%) sys 1.34 ( 5%) wall 26717 kB ( 6%) ggc life analysis : 1.30 ( 5%) usr 0.00 ( 0%) sys 1.27 ( 5%) wall 3836 kB ( 1%) ggc tree alias analysis : 1.18 ( 4%) usr 0.08 ( 9%) sys 1.23 ( 4%) wall 13610 kB ( 3%) ggc parser : 1.08 ( 4%) usr 0.18 (20%) sys 1.26 ( 4%) wall 99497 kB (22%) ggc tree PTA : 1.00 ( 4%) usr 0.00 ( 0%) sys 1.01 ( 4%) wall 4565 kB ( 1%) ggc tree operand scan : 0.82 ( 3%) usr 0.14 (16%) sys 1.03 ( 4%) wall 10663 kB ( 2%) ggc integration : 0.82 ( 3%) usr 0.02 ( 2%) sys 0.84 ( 3%) wall 88155 kB (19%) ggc -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835