Antoine Pitrou f8387af262 Issue #4688: Add a heuristic so that tuples and dicts containing only ...

untrackable objects are not tracked by the garbage collector. This can
reduce the size of collections and therefore the garbage collection overhead
on long-running programs, depending on their particular use of datatypes.

(trivia: this makes the "binary_trees" benchmark from the Computer Language
Shootout 40% faster)

2009-03-23 18:41:45 +00:00

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