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Mon May 17 14:14:55 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-May/100130.html

On Sun, 16 May 2010 15:13:44 PDT
Bill Janssen <janssen at parc.com> wrote:
> 
> So the patch to the threading code would presumably, for those OSs where
> the capability exists, try to put all created threads in the same
> affinity set.

This is not really a good idea. There's some code which releases the
GIL, precisely so that you can run several threads (computations) at
once.

If you aren't too concerned with interactivity, you can increase
sys.setcheckinterval() to alleviate the problem on 2.x.

Regards

Antoine.

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[Python-Dev] Fixing the GIL (with a BFS scheduler)