Roumen Petrov wrote:
Cesare Di Mauro wrote:
Have you made some benchmarks like pystone?
Its seems to me version 2.6.1 is not optimized build so I
remove(uninstall) it.
I repeat the pystone tests with an optimized GCC(mingw32) build.
- python-trunk-GCC(mingw32, local, native, optimized)
-- shell=cmd.exe
35453,3; 35700,4; 35747,3; 35615,5; 35632,3; 35661,8; 35547,1
average=35622,5
deviation=98,0
-- shell=bash.exe(msys)
36002,1; 35884,4; 35961,7; 35859,5; 35997,3; 36062,9; 35747,1
average=35930,7
deviation=107,2
- python-2.6-MSVC
-- shell=cmd.exe
35891,3; 35827,9; 35791,3; 35901,7; 35876,5; 36081,1; 36149,2
average=35931,3
deviation=132,7
-- shell=bash.exe(msys)
35532,9; 35621,1; 35526,8; 35639,4; 35671,2; 35702,4; 35633,0;
average=35618,1
deviation=66,1
I don't have idea why performance of official python 2.6 goes down(see
previous results below). It is same PC. Every tested program load own files.
The result show unexpected behaviour:
- the MSVC build is faster by ~0.9% if it is run under cmd.exe then msys
bash;
- the GCC build is faster by ~0.9% if it is run under msys bash.
Otherwise results lock similar but note that builds use different source
base and in this case we may can't compare.
The old results:
There is result from pystone test test run an old PC (NT 5.1):
- 2.6(official build):
42194,6; 42302,4; 41990,8; 42658,0; 42660,6; 42770,1
average=42429,4
deviation=311,6
- 2.6.1(official build):
35612,1; 35778,8; 35666,7; 35697,9; 35514,9; 35654,0
average=35654,1
deviation=88,1
- trunk(my mingw based build):
35256,7; 35272,5; 35247,2; 35270,7; 35225,6; 35233,5
average=35251,0
deviation=19,2
There is problem with python performance between 2.6 and 2.6.1 ~ 19% :(.
Also the test for GCC-mingw is not with same source base.
Roumen
Roumen
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