Ruff author: 'time to recompile' is a lossy metric when judging agent-driven Rust refactors
charliermarsh · x · 2026-10-28
Charlie Marsh (Astral, author of Ruff/uv) observes from agent-driven Rust forks that "time to recompile after edit" is a very lossy metric: you can get much faster recompilation, but the overall development loop is often much slower — a caution against optimizing single metrics when agents refactor codebases.
Related event: Ruff author: agent-written Rust code can badly distort and slow builds(4 posts)→
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