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[Bug regression/33928] [4.3 Regression] 22% performance slowdown from 4.2.2 to 4.3.0 in floating-point code
- From: "mmitchel at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Nov 2007 05:53:12 -0000
- Subject: [Bug regression/33928] [4.3 Regression] 22% performance slowdown from 4.2.2 to 4.3.0 in floating-point code
- References: <bug-33928-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #15 from mmitchel at gcc dot gnu dot org 2007-11-27 05:53 -------
I've marked this P1 because I'd like to see us start to explain these kinds of
dramatic performance changes. If we can explain the issue coherently, we may
well decide that it's not important to fix it, but I think we ought to force
ourselves to figure out what's going on.
--
mmitchel at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928