this post was submitted on 13 Jul 2026
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Programming

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My Thoughts on the Bun Rust Rewrite (andrewkelley.me)
submitted 2 days ago by misk@piefed.social to c/programming@programming.dev
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[–] Kissaki@programming.dev 16 points 2 days ago* (last edited 2 days ago)

Zig compiler project is about 600,000 lines of code - roughly the same size as Bun before the rewrite, and I'm clocking 16s to build from scratch with a clean cache, followed by 90ms for each subsequent edit with incremental compilation enabled.

That's impressive compilation performance. And so most certainly when contrasting it to Rust.

Brb, I am rewriting everything in Zig.