AI Helps Rewrite Tree-sitter in Rust

With AI assistance, Tree-sitter's C core was rewritten in Rust, boosting raw parsing speed by 29.74%. However, the full ast-grep pipeline initially slowed down and required a rollback.

2026-07-26 ~ 2026-07-27 · 2 related posts

• AI-assisted Rust rewrite of Tree-sitter’s C core speeds parsing up 29.74% — charliermarsh · 2026-07-26
• Rust rewrite of Tree-sitter speeds parsing up 29.74%, but full ast-grep initially regresses — mathemagic1an · 2026-07-27