On Wed, May 14, 2025 at 11:40:38PM +0000, Robert Clausecker wrote: > commit 8b4684afcde3930eb49490f0b8431c4cb2ad9a46 > > lib/libmd: add optimised SHA1 implementations for amd64 > > Three implementations are provided: one using just scalar > instructions, one using AVX2, and one using the SHA instructions > (SHANI). The AVX2 version uses a complicated multi-block carry > scheme described in an Intel whitepaper
Sounds pretty cool! How feasible would be coming up with AVX-only code? My CPU does not support AVX2 but I often need to compute SHA1 sums. ./danfe
