According to this [1] wikipedia article, the only feature Sapphire Rapids doesn'... | Hacker News

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suzumer on Jan 26, 2025 | parent | context | favorite | on: Using the most unhinged AVX-512 instruction to mak...

According to this [1] wikipedia article, the only feature Sapphire Rapids doesn't support is VP2INTERSECT.

[1]:https://en.wikipedia.org/wiki/Advanced_Vector_Extensions

nextaccountic on Jan 26, 2025 [–]

It seems that there are faster alternatives to it

https://arxiv.org/abs/2112.06342

https://www.reddit.com/r/asm/comments/110pld0/fasterthannati...

hogwarts2025 on Jan 26, 2025 | | [–]

Or Zen 5. :-p

janwas on Jan 27, 2025 | | [–]

Note that the article mentions using both outputs of the instruction, whereas the emulation is only able to compute one output efficiently.

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