I don’t think you could even top 150GB/s sustained if you ran memcpy on all ten ... | Hacker News

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		cormacrelf on Oct 21, 2021 \| parent \| context \| favorite \| on: Apple M1 Max Geekbench Score I don’t think you could even top 150GB/s sustained if you ran memcpy on all ten threads at once. (Though that would be 300 total.)

cormacrelf on Oct 26, 2021 [–]

This turned out to be correct, look at https://www.anandtech.com/show/17024/apple-m1-max-performanc... -- the "sustained" measurement is on the right hand side of the graph. It hits 243GB/s bandwidth with 8+2 threads, 224 with just the 8 performance cores.

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