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How the Rust compiler got faster in September 2026

Original: How to speed up the Rust compiler in September 2026

Nicholas Nethercote, a longtime Rust compiler contributor, published a monthly write-up on his blog detailing performance improvements to rustc. The September 2026 post outlines the optimisations, profiling work and cleanup patches that reduced compile times, continuing his regular series on making the Rust compiler faster. Readers on Hacker News are discussing the findings.

Why now: The latest instalment of a well-followed monthly series on Rust compiler performance, of interest to developers tracking build-time improvements.

Nicholas NethercoteRustrustcHacker News

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