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From: "lucier at math dot purdue dot edu" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/33928] [4.3/4.4 Regression] 22% performance slowdown from 4.2.2 to 4.3/4.4.0 in floating-point code Date: Thu, 04 Sep 2008 20:50:00 -0000 [thread overview] Message-ID: <20080904204931.20668.qmail@sourceware.org> (raw) In-Reply-To: <bug-33928-271@http.gcc.gnu.org/bugzilla/> ------- Comment #38 from lucier at math dot purdue dot edu 2008-09-04 20:49 ------- OK, but I was moved to write because Jakub's latest 4.4 status report requests Please concentrate now on fixing bugs, especially the performance regressions. and this is a definite 4.3/4.4 performance regression from 4.2. (How many of the P1 PRs are performance regressions?) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928
next prev parent reply other threads:[~2008-09-04 20:50 UTC|newest] Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-10-28 1:46 [Bug regression/33928] New: 33% performance slowdown from 4.2.2 " lucier at math dot purdue dot edu 2007-10-28 1:49 ` [Bug regression/33928] " lucier at math dot purdue dot edu 2007-10-28 12:05 ` [Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 " rguenth at gcc dot gnu dot org 2007-10-28 15:41 ` [Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 in floating-point code with computed gotos lucier at math dot purdue dot edu 2007-10-28 15:42 ` lucier at math dot purdue dot edu 2007-10-28 15:45 ` lucier at math dot purdue dot edu 2007-10-28 15:46 ` lucier at math dot purdue dot edu 2007-10-28 16:05 ` lucier at math dot purdue dot edu 2007-10-28 16:09 ` lucier at math dot purdue dot edu 2007-10-28 16:38 ` rguenth at gcc dot gnu dot org 2007-10-28 16:39 ` [Bug regression/33928] [4.3 Regression] " rguenth at gcc dot gnu dot org 2007-11-12 21:50 ` [Bug regression/33928] [4.3 Regression] 22% performance slowdown from 4.2.2 to 4.3.0 in floating-point code lucier at math dot purdue dot edu 2007-11-12 21:51 ` lucier at math dot purdue dot edu 2007-11-12 21:52 ` lucier at math dot purdue dot edu 2007-11-12 21:53 ` lucier at math dot purdue dot edu 2007-11-19 6:06 ` pinskia at gcc dot gnu dot org 2007-11-27 5:53 ` mmitchel at gcc dot gnu dot org 2007-11-30 5:39 ` bonzini at gnu dot org 2007-11-30 14:47 ` lucier at math dot purdue dot edu 2007-11-30 14:58 ` bonzini at gnu dot org 2007-12-01 18:59 ` lucier at math dot purdue dot edu 2008-01-09 14:18 ` rguenth at gcc dot gnu dot org 2008-01-09 19:21 ` lucier at math dot purdue dot edu 2008-01-12 18:03 ` rguenth at gcc dot gnu dot org 2008-01-21 20:01 ` ubizjak at gmail dot com 2008-01-21 23:12 ` lucier at math dot purdue dot edu 2008-01-22 12:23 ` ubizjak at gmail dot com 2008-01-22 12:29 ` [Bug target/33928] " pinskia at gcc dot gnu dot org 2008-01-22 12:38 ` ubizjak at gmail dot com 2008-01-22 13:24 ` rguenth at gcc dot gnu dot org 2008-01-22 13:25 ` [Bug tree-optimization/33928] " bonzini at gnu dot org 2008-01-22 13:29 ` ubizjak at gmail dot com 2008-01-22 13:30 ` rguenth at gcc dot gnu dot org 2008-03-14 17:04 ` [Bug tree-optimization/33928] [4.3/4.4 Regression] 22% performance slowdown from 4.2.2 to 4.3/4.4.0 " rguenth at gcc dot gnu dot org 2008-05-30 16:02 ` lucier at math dot purdue dot edu 2008-06-06 15:00 ` rguenth at gcc dot gnu dot org 2008-07-09 16:06 ` lucier at math dot purdue dot edu 2008-08-27 22:10 ` jsm28 at gcc dot gnu dot org 2008-09-04 20:40 ` lucier at math dot purdue dot edu 2008-09-04 20:45 ` rguenth at gcc dot gnu dot org 2008-09-04 20:50 ` lucier at math dot purdue dot edu [this message] 2008-12-06 16:39 ` lucier at math dot purdue dot edu 2008-12-07 2:56 ` bonzini at gnu dot org 2008-12-07 13:01 ` rguenth at gcc dot gnu dot org 2008-12-07 19:40 ` [Bug tree-optimization/33928] [4.3/4.4 Regression] 30% performance slowdown in floating-point code caused by r118475 lucier at math dot purdue dot edu 2009-01-24 10:28 ` rguenth at gcc dot gnu dot org 2009-02-13 16:05 ` bonzini at gnu dot org 2009-02-13 16:10 ` lucier at math dot purdue dot edu 2009-02-13 16:32 ` bonzini at gnu dot org 2009-02-13 17:23 ` lucier at math dot purdue dot edu 2009-02-13 20:10 ` bonzini at gnu dot org 2009-04-23 15:59 ` [Bug tree-optimization/33928] [4.3/4.4/4.5 Regression] 79% performance slowdown in floating-point code partially " lucier at math dot purdue dot edu 2009-04-23 16:01 ` lucier at math dot purdue dot edu 2009-04-23 16:03 ` lucier at math dot purdue dot edu 2009-04-26 18:27 ` [Bug tree-optimization/33928] [4.3/4.4/4.5 Regression] 30% performance slowdown in floating-point code " lucier at math dot purdue dot edu 2009-05-06 3:43 ` lucier at math dot purdue dot edu 2009-05-06 3:50 ` lucier at math dot purdue dot edu 2009-05-06 9:21 ` bonzini at gnu dot org 2009-05-06 9:32 ` bonzini at gnu dot org 2009-05-06 9:50 ` jakub at gcc dot gnu dot org 2009-05-06 9:57 ` bonzini at gnu dot org 2009-05-06 10:00 ` bonzini at gnu dot org 2009-05-06 10:48 ` bonzini at gnu dot org 2009-05-06 13:06 ` [Bug rtl-optimization/33928] " jakub at gcc dot gnu dot org 2009-05-06 15:08 ` bonzini at gnu dot org 2009-05-06 19:58 ` lucier at math dot purdue dot edu 2009-05-06 20:44 ` lucier at math dot purdue dot edu 2009-05-07 5:04 ` bonzini at gnu dot org 2009-05-07 5:27 ` lucier at math dot purdue dot edu 2009-05-07 13:41 ` bonzini at gnu dot org 2009-05-07 15:41 ` steven at gcc dot gnu dot org 2009-05-07 15:58 ` lucier at math dot purdue dot edu 2009-05-07 16:01 ` lucier at math dot purdue dot edu 2009-05-07 16:03 ` lucier at math dot purdue dot edu 2009-05-07 16:03 ` lucier at math dot purdue dot edu 2009-05-07 16:04 ` lucier at math dot purdue dot edu 2009-05-07 16:21 ` bonzini at gnu dot org 2009-05-07 16:32 ` lucier at math dot purdue dot edu 2009-05-07 16:38 ` bonzini at gnu dot org 2009-05-07 17:50 ` steven at gcc dot gnu dot org 2009-05-08 6:51 ` bonzini at gcc dot gnu dot org 2009-05-08 7:18 ` bonzini at gnu dot org 2009-05-08 7:52 ` bonzini at gcc dot gnu dot org 2009-05-08 7:55 ` bonzini at gnu dot org 2009-05-08 9:41 ` bonzini at gnu dot org 2009-05-08 12:23 ` bonzini at gcc dot gnu dot org 2009-05-15 10:36 ` bonzini at gnu dot org 2009-05-16 0:20 ` lucier at math dot purdue dot edu 2009-05-16 0:29 ` lucier at math dot purdue dot edu 2009-05-16 0:33 ` lucier at math dot purdue dot edu 2009-06-08 8:40 ` bonzini at gnu dot org 2009-06-08 8:59 ` bonzini at gnu dot org 2009-06-08 16:36 ` bonzini at gnu dot org 2009-06-08 18:19 ` lucier at math dot purdue dot edu 2009-06-12 14:51 ` bonzini at gnu dot org 2009-06-13 14:18 ` rguenth at gcc dot gnu dot org 2009-06-14 4:44 ` jamborm at gcc dot gnu dot org 2009-06-14 14:59 ` lucier at math dot purdue dot edu 2009-06-14 15:02 ` lucier at math dot purdue dot edu 2009-06-15 15:14 ` bonzini at gnu dot org 2009-06-15 16:12 ` lucier at math dot purdue dot edu 2009-06-15 16:21 ` paolo dot bonzini at gmail dot com 2009-06-15 16:22 ` bonzini at gnu dot org 2009-06-15 16:26 ` [Bug rtl-optimization/33928] [4.3/4.4 " bonzini at gnu dot org 2009-06-15 19:57 ` lucier at math dot purdue dot edu 2009-06-15 20:21 ` [Bug rtl-optimization/33928] [4.3/4.4/4.5 " lucier at math dot purdue dot edu 2009-06-16 6:48 ` bonzini at gnu dot org 2009-06-16 7:02 ` bonzini at gnu dot org 2009-06-16 7:25 ` lucier at math dot purdue dot edu 2009-08-04 12:37 ` rguenth at gcc dot gnu dot org 2009-08-27 1:18 ` lucier at math dot purdue dot edu 2009-08-27 1:22 ` lucier at math dot purdue dot edu 2009-08-27 1:23 ` lucier at math dot purdue dot edu 2009-08-27 17:02 ` lucier at math dot purdue dot edu 2009-10-03 1:39 ` bergner at gcc dot gnu dot org 2010-04-29 14:35 ` [Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 " bergner at gcc dot gnu dot org 2010-05-22 18:20 ` rguenth at gcc dot gnu dot org
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