From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10222 invoked by alias); 25 Jul 2005 04:29:02 -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 10199 invoked by uid 48); 25 Jul 2005 04:28:57 -0000 Date: Mon, 25 Jul 2005 04:41:00 -0000 Message-ID: <20050725042857.10198.qmail@sourceware.org> From: "pinskia at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20041121145755.18594.pinskia@gcc.gnu.org> References: <20041121145755.18594.pinskia@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/18594] PHI insertion is slow X-Bugzilla-Reason: CC X-SW-Source: 2005-07/txt/msg03154.txt.bz2 List-Id: ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-25 04:28 ------- branch prediction : 4.63 (17%) usr 0.78 (16%) sys 5.57 (16%) wall 187672 kB (61%) ggc Memory usage here is a big problem. fold-const.c:2981 (invert_truthvalue) 36146592:15.8% 0: 0.0% 0: 0.0% 0: 0.0% 1004072 fold-const.c:10456 (fold_build2) 90093096:39.5% 0: 0.0% 0: 0.0% 0: 0.0% 2502586 tree-ssa-dom.c:1435 (build_and_record_new_cond) 685080: 0.3% 0: 0.0% 0: 0.0% 0: 0.0% 19030 tree-ssa-propagate.c:246 (add_ssa_edge) 0: 0.0% 89488: 0.3% 0: 0.0% 24464: 0.3% 28 tree-ssa-propagate.c:248 (add_ssa_edge) 0: 0.0% 5820032:22.3% 0: 0.0% 1577088:17.3% 36 Hmm, why is varying_ssa_edges in GC memory? Likewise for interesting_ssa_edges? Unless someone wants tree-ssa-propagate.c to be able to call ggc_collect while propagating. -- What |Removed |Added ---------------------------------------------------------------------------- Keywords| |memory-hog http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18594