Python 3.2 ALPHA is out.

From the Change Log, it appears the GIL has been entirely rewritten.

A few questions:

  1. Is having a GIL good or bad? (and why).
  2. Is the new GIL better? If so, how?

UPDATE:

I'm fairly new to Python. So all of this is new to my but I do at least understand that the existence of a GIL with CPython is a huge deal.

Question though, why does CPython not just clone the interpreter like Perl does in an attempt to remove the need for the GIL?

python multithreading locking interpreter
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