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From: "markus at trippelsdorf dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/54073] [4.7/4.8 Regression] SciMark Monte Carlo test performance has seriously decreased in recent GCC releases
Date: Thu, 26 Jul 2012 16:13:00 -0000 [thread overview]
Message-ID: <bug-54073-4-ziWPyiELUe@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-54073-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
--- Comment #6 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-07-26 16:13:33 UTC ---
(In reply to comment #5)
> is this same as http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53397
No. Monto Carlo is independent of FFT.
I can confirm the huge drop of the FFT score with -march=amdfam10.
(-flto doesn't help in this case.)
next prev parent reply other threads:[~2012-07-26 16:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-23 15:25 [Bug tree-optimization/54073] New: " t.artem at mailcity dot com
2012-07-23 15:44 ` [Bug tree-optimization/54073] " t.artem at mailcity dot com
2012-07-24 9:23 ` [Bug tree-optimization/54073] [4.7/4.8 Regression] " rguenth at gcc dot gnu.org
2012-07-24 11:29 ` markus at trippelsdorf dot de
2012-07-24 13:21 ` rguenth at gcc dot gnu.org
2012-07-26 15:41 ` venkataramanan.kumar at amd dot com
2012-07-26 16:13 ` markus at trippelsdorf dot de [this message]
2012-08-16 11:06 ` rguenth at gcc dot gnu.org
2012-09-07 10:09 ` rguenth at gcc dot gnu.org
2012-09-20 10:28 ` jakub at gcc dot gnu.org
2012-11-13 13:05 ` jakub at gcc dot gnu.org
2012-11-13 15:07 ` t.artem at mailcity dot com
2012-11-13 15:14 ` ubizjak at gmail dot com
2012-11-13 15:24 ` jakub at gcc dot gnu.org
2012-11-13 15:55 ` hubicka at gcc dot gnu.org
2012-11-16 11:41 ` jakub at gcc dot gnu.org
2012-11-16 14:50 ` [Bug tree-optimization/54073] [4.7 " jakub at gcc dot gnu.org
2012-12-31 9:41 ` pinskia at gcc dot gnu.org
2013-02-16 19:12 ` jake.stine at gmail dot com
2013-02-17 8:41 ` ubizjak at gmail dot com
2013-04-11 7:59 ` rguenth at gcc dot gnu.org
2014-06-12 13:16 ` rguenth at gcc dot gnu.org
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