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[Bug rtl-optimization/8361] [3.3/3.4/4.0 regression] C++ compile-time performance regression
- From: "belyshev at depni dot sinp dot msu dot ru" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Jan 2005 14:16:45 -0000
- Subject: [Bug rtl-optimization/8361] [3.3/3.4/4.0 regression] C++ compile-time performance regression
- References: <20021025133601.8361.gerald@pfeifer.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From belyshev at depni dot sinp dot msu dot ru 2005-01-16 14:16 -------
here is the timings for i686-pc-linux-gnu:
3.0.5 3.2.3 3.3.6 3.4.4 4.0.0 4.0.0/3.0.5
-O0 24.5 26.0 22.4 20.5 16.9 -31%
-O1 41.8 48.3 42.8 37.3 44.8 +7%
-O2 53.4 64.9 59.0 61.6 55.9 +5%
-O3 54.5 68.8 62.8 64.8 57.2 +5%
compilers are:
3.0.5 20030502 (prerelease)
3.2.3
3.3.6 20050116 (prerelease)
3.4.4 20050116 (prerelease)
4.0.0 20050116 (experimental)
all compilers compiled by GNU C version 3.3.6 20050116 (prerelease).
--
What |Removed |Added
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Last reconfirmed|2004-02-25 08:21:05 |2005-01-16 14:16:42
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=8361