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[Bug c++/54000] [4.6/4.7/4.8 Regression] Performance breakdown for gcc-4.{6,7} vs. gcc-4.5 using std::vector in matrix vector multiplication
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 17 Jul 2012 20:14:18 +0000
- Subject: [Bug c++/54000] [4.6/4.7/4.8 Regression] Performance breakdown for gcc-4.{6,7} vs. gcc-4.5 using std::vector in matrix vector multiplication
- Auto-submitted: auto-generated
- References: <bug-54000-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54000
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
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CC| |hubicka at gcc dot gnu.org
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2012-07-17 20:14:18 UTC ---
It is caused by revision 172873:
http://gcc.gnu.org/ml/gcc-cvs/2011-04/msg01069.html