From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5115 invoked by alias); 5 Feb 2013 12:23:28 -0000 Received: (qmail 4722 invoked by uid 48); 5 Feb 2013 12:22:58 -0000 From: "kcc at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/55309] gcc's address-sanitizer 66% slower than clang's Date: Tue, 05 Feb 2013 12:23:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: kcc 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-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2013-02/txt/msg00382.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309 --- Comment #15 from Kostya Serebryany 2013-02-05 12:22:56 UTC --- Well, I of course can change the SPEC code 464.h264ref, 1271.00, 1879.00, 1.47 As for Dodji's patch: can someone attach it here? Let me benchmark it too, although if that's just optimizing within one BB I don't expect more than 5% difference (based on my experiments in llvm). Dodji, what are your numbers?