It did not do this, standard atomics are relatively fast because it's a unified ... | Hacker News

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		astrange on April 9, 2023 \| parent \| context \| favorite \| on: The Garbage Collection Handbook, 2nd Edition It did not do this, standard atomics are relatively fast because it's a unified memory system.

vlovich123 on April 9, 2023 [–]

ARM also has an option for weaker consistency atomics which help with speed (and ARC does take advantage of this but not something Apple sped up specifically extra afaik in silicon)

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