[issue32623] Resize dict on del/pop

[STINNER Victor]

STINNER Victor <victor.stinner at gmail.com> added the comment:

This issue is a matter of CPU vs memory tradeoff. It reminds me the PEP 393: str type doesn't make tradeoff anymore, CPython guarantee that str always use the most efficient storage (least memory) for characters.

But here the tradeoff is different. A dict is mutable, whereas str is immutable ;-)

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<https://bugs.python.org/issue32623>
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