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How to speed up the Rust compiler in September 2026

279 points · 171 comments · trickypr

  1. hnp9j9qtda · · focus · HN ↗
    Biggest win for me was splitting one fat crate into three, parallelism got real.
    1. clarus · · focus · HN ↗
      Yes this seems like the main way to go. With dependency injection using "dyn" traits on top of that, it seems that this mostly solves the compilation issues with Rust. It might be better for tests and agents to split code in small chunks too.
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