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Sat Sep 13 15:39:43 CEST 2008 · http://mail.python.org/pipermail/python-dev/2008-September/082362.html

On Sat, 13 Sep 2008 08:03:50 -0400, "A.M. Kuchling" <amk at amk.ca> wrote:
>Three weeks ago, Antoine Pitrou posted the pybench results
>for 2.6 trunk:
>http://mail.python.org/pipermail/python-dev/2008-August/081951.html
>
>The big discovery in those results were TryExcept being 48% slower,
>but there was a patch in the bug tracker to improve things.  I've
>re-run the tests to check the results.
>
>Disclaimer: these results are probably not directly comparable.
>Antoine was using a "32-bit Linux installation on an Athlon 3600+ X2";
>I'm on a Macbook.
>
>Good news: TryExcept is now only 10% slower than 2.5, not 48%.
>
>Bad news: the big slowdowns are:
>
>                 CompareFloats:   117ms    98ms  +19.2%   118ms    99ms  +19.0%
>               CompareIntegers:   110ms   104ms   +5.6%   110ms   105ms   +4.9%
>            DictWithStringKeys:   118ms   105ms  +12.8%   133ms   108ms  +22.7%
>                NestedForLoops:   125ms   116ms   +7.7%   127ms   118ms   +8.0%
>                     Recursion:   193ms   159ms  +21.5%   197ms   163ms  +20.8%
>                  SecondImport:   139ms   129ms   +8.4%   143ms   130ms   +9.9%
>           SecondPackageImport:   150ms   139ms   +8.6%   152ms   140ms   +8.1%
>         SecondSubmoduleImport:   211ms   191ms  +10.5%   214ms   195ms   +9.4%
>       SimpleComplexArithmetic:   130ms   119ms   +9.4%   131ms   120ms   +9.2%
>

I see similar results for some of these.  The complete results from a run
on an AMD Athlon(tm) 64 Processor 3200+ are attached.

Jean-Paul

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[Python-Dev] 2.6 rc1 performance results