[Python-3000] Is reference counting still needed?

[Brian Harring]

On Wed, Apr 19, 2006 at 03:07:50PM -0400, Tim Peters wrote:
> and it matters.  I noted this in public <wink> in 1999, after Neal
> Schemenauer tried replacing all of Python's gc with BDW mark-sweep,
> and reported:
> 
>     I started with Sam Rushing's patch and modified it for Python
>     1.5.2c.  To my surprise, removing the reference counting
>     (Py_INCREF, Py_DECREF) actually slowed down Python a lot (over
>     two times for pystone).
> 
> That thread should still be required reading for anyone thinking of
> changing CPython's gc strategy:
> 
>     http://mail.python.org/pipermail/python-list/1999-July/0073.html

Seem to have missed a few digits in the url...

http://mail.python.org/pipermail/python-list/1999-July/007623.html
~harring
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