From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19607 invoked by alias); 1 Aug 2012 22:35:43 -0000 Received: (qmail 19458 invoked by uid 22791); 1 Aug 2012 22:35:42 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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; Wed, 01 Aug 2012 22:35:30 +0000 From: "wbrana at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/54077] [4.7/4.8 Regression] Bytemark FP EMULATION 44% slower than with clang Date: Wed, 01 Aug 2012 22:35:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: wbrana at gmail dot com 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: 2012-08/txt/msg00080.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077 --- Comment #10 from wbrana 2012-08-01 22:35:29 UTC --- Reversion of 175752 on latest 4.7 branch improved FP EMU by 41%, but made ASSIGNMENT worse by 8%. with 175752 NUMERIC SORT : 1562.9 : 40.08 : 13.16 STRING SORT : 730.08 : 326.22 : 50.49 BITFIELD : 5.956e+08 : 102.17 : 21.34 FP EMULATION : 232.96 : 111.79 : 25.79 FOURIER : 36191 : 41.16 : 23.12 ASSIGNMENT : 63.469 : 241.51 : 62.64 IDEA : 9512 : 145.48 : 43.20 HUFFMAN : 3475.8 : 96.38 : 30.78 NEURAL NET : 80.296 : 128.99 : 54.26 LU DECOMPOSITION : 2696.9 : 139.71 : 100.89 without 175752 NUMERIC SORT : 1526.9 : 39.16 : 12.86 STRING SORT : 724.96 : 323.93 : 50.14 BITFIELD : 5.962e+08 : 102.27 : 21.36 FP EMULATION : 328.32 : 157.54 : 36.35 FOURIER : 36275 : 41.26 : 23.17 ASSIGNMENT : 58.37 : 222.11 : 57.61 IDEA : 9480 : 144.99 : 43.05 HUFFMAN : 3453.1 : 95.75 : 30.58 NEURAL NET : 79.128 : 127.11 : 53.47 LU DECOMPOSITION : 2733.4 : 141.60 : 102.25