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Wed Jul 18 00:28:11 CEST 2012 · https://mail.python.org/pipermail/python-dev/2012-July/121003.html

On the cpyext front, it would be rather helpful if developers interested in
a high speed Python interpreter with good C extension compatibility worked
with Dave Malcolm on his static analyser for Python C extensions. One of
the reasons cpyext has trouble is that many refcounting bugs in extensions
aren't fatal on CPython’s due to additional internal references - a
refcount of 1 when it should be 2 is survivable in a way that 0 vs 1 is not.

Get rid of that drudgery from hacking on cpyext and it becomes
significantly easier to expand the number of extensions that will work
across multiple implementations of the API.

Cheers,
Nick.

--
Sent from my phone, thus the relative brevity :)
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[Python-Dev] A new JIT compiler for a faster CPython?