The Go logo above the line "portable simd, benchmarked", with a Go 1.27 badge

Go 1.27 simd package: portable SIMD benchmarked on AVX2

Go 1.27 ships an experimental portable simd package behind GOEXPERIMENT=simd. We ran the Go blog’s inner product and a byte count at every GODEBUG level against plain Go and archsimd, and found a 128-bit pitfall.