The article didn't mention Python's atomic refcounts. They're very bad for cache... | Hacker News

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		davvid 10 months ago \| parent \| context \| favorite \| on: Is Python Code Sensitive to CPU Caching? (2024) The article didn't mention Python's atomic refcounts. They're very bad for cache usage as they're constantly invalidating cache.

quotemstr 10 months ago | [–]

The only version of Python that uses atomic reference counting is the very new free threaded version.

senderista 10 months ago | [–]

Non-atomic refcounts invalidate cache as well, they're just not as expensive.

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