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[Bug libstdc++/13351] [3.3 Regression] BIG slowdown in generated code (compared to 3.2)
- From: "carlo at alinoe dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Dec 2003 15:33:39 -0000
- Subject: [Bug libstdc++/13351] [3.3 Regression] BIG slowdown in generated code (compared to 3.2)
- References: <20031208072839.13351.cline@parashift.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From carlo at alinoe dot com 2003-12-08 15:33 -------
Subject: Re: [3.3 Regression] 10x slower generated code (GCC 3.3 compared with GCC 3.2)
Not the case on i686-pc-linux-gnu (athlon 900 Mhz)
g++ 3.2 : 0.2116 ns/per
g++ 3.2.1 : 0.32025 ns/per
g++ 3.2.2 : 0.31925 ns/per
g++ 3.2.3 : 0.3185 ns/per
g++ 3.3 : doesn't compile
g++ 3.3.1 : 0.102 ns/per
g++ 3.3.2 : 0.1034 ns/per
mainline: 0.0818462 ns/per
So I'd say - it became 3 times FASTER, instead.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13351