One of the things I struggled with in Rust’s portable_simd is that I think fadd_fast and simd intrinsics don’t mix well. This makes writing dot products only ok

One of the things I struggled with in Rust’s portable_simd is that I think fadd_fast and simd intrinsics don’t mix well. This makes writing dot products only ok, rather than really easy. Here’s (one) reference: https://internals.rust-lang.org/t/suggestion-ffastmath-intrinsics-in-stable/14447/31 https://internals.rust-lang.org/t/suggestion-ffastmath-intri...