From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25300 invoked by alias); 3 Jul 2007 18:10:08 -0000 Received: (qmail 25152 invoked by uid 48); 3 Jul 2007 18:09:54 -0000 Date: Tue, 03 Jul 2007 18:10:00 -0000 Message-ID: <20070703180954.25151.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/14741] missing transformations lead to poorly optimized code In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jv244 at cam dot ac dot uk" 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: 2007-07/txt/msg00346.txt.bz2 ------- Comment #15 from jv244 at cam dot ac dot uk 2007-07-03 18:09 ------- current gfortran trunk is still about a factor of 8 slower than ifort: > gfortran -O3 -ffast-math -ftree-vectorize -march=native test.f90 > ./a.out 12.9808110000000 10.2399999999998 > ifort -xT -O2 test.f90 > ./a.out 1.62810200000000 10.2399999999998 (first number is the time) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14741