Show HN: simdown – use SIMD to parse Markdown at ~1 GB/s
By trevorah · 2026-10-25 · 2 points · 0 comments
https://github.com/trevorah/simdown
The SIMD path currently needs arm64 (NEON) and GOEXPERIMENT=simd. I've only benchmarked on an Apple M4, but it should help on any arm64 chip (Graviton, Ampere, etc.). Elsewhere it falls back to a scalar path that does ~300 MB/s, still ahead of cmark and goldmark. If you kno…
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