[Python-Dev] Building a Faster Python

[Maciej Fijalkowski]

On Mon, Jul 22, 2013 at 9:32 AM, Maciej Fijalkowski <fijall at gmail.com> wrote:
> On Mon, Jul 22, 2013 at 8:15 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:
>> On Sun, 21 Jul 2013 16:36:35 -0700
>> Raymond Hettinger <raymond.hettinger at gmail.com> wrote:
>>> Our current Mac OS X builds use GCC-4.2.
>>>
>>> On Python2.7, I ran a comparison of gcc-4.2.1 builds
>>> versus gcc-4.8.1 and found that the latter makes a much
>>> faster Python.  PyBench2.0 shows the total running time
>>> dropping from 5653ms to 4571ms.  The code is uniformly
>>> better in just about every category.
>>
>> You could try running the benchmarks suite to see what that gives:
>> http://hg.python.org/benchmarks/
>>
>> Regards
>>
>> Antoine.
>
> or pypy benchmark suite which is more comprehensive for python 2.7
> (http://bitbucket.org/pypy/benchmarks)

Besides, is there any reason not to use clang by default on OS X?