Nicholas Nethercote's practical guide to improving Rust compiler (rustc) performance, covering techniques such as enabling parallel compilation, using LTO, and optimizing debug information. The article provides actionable benchmarks and trade-off analysis for different project sizes and CI environments.
Background
Rust's build times have long been a pain point for developers, with large projects often taking minutes or hours to compile. The Rust team has invested heavily in incremental compilation improvements, but per-project tuning remains essential.
- Source
- Hacker News (RSS)
- Published
- Oct 1, 2026 at 08:44 PM
- Score
- 7.0 / 10