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[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
- From: "lucier at math dot purdue dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Sep 2008 20:49:31 -0000
- 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
- References: <bug-33928-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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?)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928