[PyPy-issue] [issue619] Easier tuning/configuration of GC

Fijal pypy-dev-issue at codespeak.net
Fri Jan 7 07:45:49 CET 2011

Fijal <fijall at gmail.com> added the comment:

Commenting the discussion on IRC - if you have a lot of weak dictionaries, those 
are objects with __del__ that potentially reference each other. Without 
discussing what GC should do (it should take care probably), you would get much 
better performance by using normal dictionaries likely.

Note: CPython also gathers reference cycles if they don't contain a __del__

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