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Showing content from https://mail.python.org/pipermail/python-dev/2007-December/075564.html below:

[Python-Dev] PATCH: attribute lookup caching for 2.6

[Python-Dev] PATCH: attribute lookup caching for 2.6 [Python-Dev] PATCH: attribute lookup caching for 2.6Phillip J. Eby pje at telecommunity.com
Wed Dec 5 23:50:28 CET 2007
At 10:48 PM 12/5/2007 +0100, Georg Brandl wrote:
>Neil Toronto schrieb:
> > So Jim and PJE finally convinced me to do it the right way. :) Thanks
> > guys - it turned out very nice.
>
>How does this relate to Armin Rigo's method cache patch?
>
>(http://bugs.python.org/issue1685986)

Interesting.  Armin's approach uses a single global cache of up to 
1024 descriptors.  That seems a lot simpler than anything I thought 
of, and might perform better by encouraging the processor to keep the 
descriptors in cache.  It has a lot less pointer indirection, and has 
a dirt-simple way of invalidating a class' entries when something changes.

Was there any reason (aside from the usual lack of volunteers for 
review) why it didn't go in already?

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