[Python-Dev] threading (GilState) question

[Bob Ippolito]

On Apr 10, 2005, at 4:08 PM, Michael Hudson wrote:

> 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
>>> here).
>>>
>>> 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
> on linux.

I don't have 2.2 on OS X any more, either.

-bob