From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15372 invoked by alias); 25 Jan 2011 10:03:17 -0000 Received: (qmail 15358 invoked by uid 22791); 25 Jan 2011 10:03:16 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 25 Jan 2011 10:03:13 +0000 From: "Joost.VandeVondele at pci dot uzh.ch" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/45422] [4.6 Regression] compile time increases 3x. X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: Joost.VandeVondele at pci dot uzh.ch X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: davidxl at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.0 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 Date: Tue, 25 Jan 2011 10:25:00 -0000 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: 2011-01/txt/msg02592.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45422 --- Comment #35 from Joost VandeVondele 2011-01-25 10:03:02 UTC --- (In reply to comment #34) > -march=native is ambiguous, please see with -v what actually is being used. This was mentioned in the initial comment: -march=k8-sse3 -mcx16 -msahf --param l1-cache-size=64 --param l1-cache-line-size=64 --param l2-cache-size=1024 -mtune=k8 The latest timings are on a newer machine (old one is gone now) which has: -march=amdfam10 -mcx16 -msahf -mpopcnt -mabm --param l1-cache-size=64 --param l1-cache-line-size=64 --param l2-cache-size=512 -mtune=amdfam10