ios-build-performance
Build Performance Optimization
Overview
Xcode build-performance analysis and optimization. Core principle: measure first, then optimize critical path.
Use This Skill When
- Build times have increased significantly
- Incremental builds taking too long
- Want to analyze Build Timeline
- Need to identify slow-compiling Swift code
- Optimizing CI/CD build times
- Build performance regression investigation
- Enabling Xcode 26 compilation caching
- Reducing module variants in explicitly built modules
- Understanding the three-phase build process (scan → modules → compile)
Quick Win: Run Baseline Script First
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