[Bug rtl-optimization/8361] [3.3/3.4/4.0 regression] C++ compile-time performance regression

belyshev at depni dot sinp dot msu dot ru gcc-bugzilla@gcc.gnu.org
Sun Jan 16 14:16:00 GMT 2005


------- 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



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