Recent macOS versions zero out memory on free, which improves the efficacy of me... | Hacker News

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		amomchilov 6 days ago \| parent \| context \| favorite \| on: MongoBleed Explained Simply Recent macOS versions zero out memory on free, which improves the efficacy of memory compression. Apparently it’s a net performance gain in the average case

LoganDark 6 days ago [–]

I wonder if Apple Silicon has hardware acceleration for memory zeroing... Knowing Apple, I wouldn't be surprised.

chuckadams 6 days ago | [–]

ARM in general does, or at least some modern variants. Various docs for Android and LLVM suggest it's part of the Memory Tagging Extension.

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