Makepad Author Builds Rust JIT with AI in Two Weeks, Passing 99.8% of Tests

Makepad author rikarends demoed a Rust JIT prototype built with AI in two weeks, tackling Rust's slow compile times. It passes 99.8% of the rustc test suite and speeds up native builds by 10-30%, with Ruff's author expressing interest in trying it.

2026-10-25 ~ 2026-10-25 · 3 related posts

• Makepad dev points AI at his in-repo Rust JIT: 1-minute compile, claims it beats everything — rikarends · 2026-10-25
• Custom Rust JIT passes 99.8% of rustc testsuite, claims 10-30% faster native builds — rikarends · 2026-10-25
• Dev builds Rust JIT prototype with AI in 2 weeks; Ruff author wants to try it — rikarends · 2026-10-25