[issue8299] Improve GIL in 2.7

[David Beazley]

David Beazley <dave at dabeaz.com> added the comment:

Just ran the CPU-bound GIL test on my wife's dual core Windows Vista machine.  The code runs twice as slow using two threads as it does using no threads (original observed behavior in my GIL talk).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8299>
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