From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5278 invoked by alias); 14 Mar 2007 15:12:26 -0000 Received: (qmail 5233 invoked by uid 48); 14 Mar 2007 15:12:15 -0000 Date: Wed, 14 Mar 2007 15:12:00 -0000 Message-ID: <20070314151215.5232.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/30052] [4.2 Regression] possible quadratic behaviour. In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dberlin at gcc dot gnu dot org" 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 X-SW-Source: 2007-03/txt/msg01293.txt.bz2 ------- Comment #14 from dberlin at gcc dot gnu dot org 2007-03-14 15:12 ------- (In reply to comment #13) > It's really all PTA memory. > > Mainline: > > tree PTA : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall > 40 kB ( 0%) ggc > TOTAL : 2.18 1.05 3.44 > 48857 kB > > max. VM usage: 63MB > > 4.2: > > tree PTA : 18.41 (88%) usr 1.08 (53%) sys 20.32 (85%) wall > 3903 kB ( 8%) ggc > TOTAL : 20.92 2.02 23.94 > 48672 kB > > max. VM usage: 1.1GB > > 4.1.2 uses 56MB. I'll backport the changes (this is more or less copying tree-ssa-structalias.c from 4.3 to 4.2 and modifying the few things that changed in 4.3 :P) > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30052