Rust slow to compile? Here’s how to speed it up
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Rust compilation can be slow for large projects with many dependencies, but several strategies can significantly improve build times. Keep the Rust toolchain updated to benefit from ongoing compiler optimizations. Use `cargo check` instead of full compilation for faster feedback, employ compiler caching tools like sccache for team environments, and wrap dependencies as dynamic libraries with cargo-add-dynamic. Split large projects into multiple subcrates using Cargo workspaces for selective recompilation. Analyze build performance with `--timings` and `-Z time-passes` flags to identify bottlenecks, experiment with faster linkers like lld or mold, and consider platform-specific optimizations like Windows Dev Drive or Linux in-memory filesystems for artifact caching.
