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2023-01-09 r/5637 refactor(users/edef/refscan): switch to intrinsicsedef3-25/+41
packed_simd is deprecated, but we don't need very much SIMD: * _mm256_set1_epi8 / vpbroadcastb (splat) * _mm256_cmpgt_epi8 / vpcmpgtb (comparison) * _mm256_movemask_epi8 / vpmovmskb (compress to bitmask) This also simplifies the code by only vectorising the bare minimum, since we just get a bitmask and operate in scalar mode as soon as possible. We don't need nightly Rust anymore: we're using only stable intrinsics. Change-Id: Id410b5fef2549f3c97f48049f722f1e643e68553 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7687 Reviewed-by: edef <edef@edef.eu> Tested-by: BuildkiteCI
2023-01-09 r/5636 feat(users/edef/refscan): high-performance Nix reference scanneredef7-0/+154
Research-grade code, treat with care. Change-Id: I99804df93e64101ef24928238ef0a8a02b59c2aa Reviewed-on: https://cl.tvl.fyi/c/depot/+/7686 Reviewed-by: edef <edef@edef.eu> Tested-by: BuildkiteCI