[issue28509] dict.update allocates too much

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

> Dict is resized. And since __dict__.update() caused the resizing,
both are normal (combined) dict.

Ah, my bad, I missed this point. The original issue now disappears. Thanks Naoki.

But dict.update (and maybe inserting) can use more economical allocation strategy.

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stage:  -> needs patch
title: Key-sharing dictionaries can inrease the memory consumption -> dict.update allocates too much
versions: +Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28509>
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