Go 1.27's portable simd packages: 7.5x faster ChaCha20 encryption
Go's stdlib ChaCha20 lacks SIMD on amd64, so this writer reached for the new portable `simd` and `simd/archsimd` packages landing in 1.27. The payoff: a 7.5x speedup on his ChaCha20-BLAKE3 scheme, using portable code instead of hand-tuned per-architecture assembly. Worth a read if you've ever envied Rust's auto-vectorization from Go.