3 ms·

AVX-512 does not seem to have PMOVMSKB, which is how I assume it is being done with SSE2. There are other ways to skin that cat, but it's unclear whether they h

by pbsd 13y ago

AVX-512 does not seem to have PMOVMSKB, which is how I assume it is being done with SSE2. There are other ways to skin that cat, but it's unclear whether they have any advantage over using AVX2 with VPMOVMSKB.

DannyBee 13y ago
I posted a patch here: https://gist.github.com/dberlin/9867614 https://gist.github.com/dberlin/9867614 It adds AVX2 and SSE4.2 instruction support. It makes no discernible difference performance wise that i can find :)
- jevinskie 13y ago
  Heh, awesome! I'll try it out today.