Then fast rep movs should have been disabled in cpuid altogether | Hacker News

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renonce 11 months ago | parent | context | favorite | on: Rust std fs slower than Python? No, it's hardware

Then fast rep movs should have been disabled in cpuid altogether

gpderetta 11 months ago [–]

They might have benchmarked a set of loads they care about and seen that on average leaving that set was better. But they are all conjectures.

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