Hidden Features of Rust Cargo

Opublikowano: 2025-03-10

Hidden Features of Cargo: Podcast Episode Notes Custom Profiles & Build Optimization Custom Compilation Profiles: Create targeted build configurations beyond dev/release [profile.quick-debug] opt-level = 1 # Some optimization debug = true # Keep debug symbols Usage: cargo build --profile quick-debugPerfect for debugging performance issues without full release build wait timesEliminates need for repeatedly specifying compiler flags manuallyProfile-Guided Optimization (PGO): Data-driven performance enhancement Three-phase optimization workflow:# 1. Build instrumented version cargo rustc --release -- -Cprofile-generate=./pgo-data # 2. Run with representative workloads to generate profile data ./target/release/my-program --typical-workload # 3. Rebuild with optimization informed by collected data cargo rustc --re...