[Python-Dev] threading (GilState) question
mwh at python.net
Mon Apr 11 01:08:18 CEST 2005
Bob Ippolito <bob at redivi.com> writes:
> On Apr 10, 2005, at 2:48 PM, Michael Hudson wrote:
>> James Y Knight <foom at fuhm.net> writes:
>>> Here's the numbers. It looks like something changed between python 2.2
>>> and 2.3 that made calling PyEval_InitThreads a lot less expensive. So,
>>> it doesn't seem to make a whole lot of difference on recent versions
>>> of Python.
>> Thanks. I see similar results for 2.3 and 2.4 on OS X (don't have 2.2
>> It's very much a guess, but could this patch:
>> [ 525532 ] Add support for POSIX semaphores
>> be the one to thank?
> No, Mac OS X doesn't implement POSIX semaphores.
Well, does OS X show the same effect between 2.2 and 2.3? I don't
have a 2.2 on OS X any more, I was just talking about James' results
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