performance-analysis Skill

1---2name: performance-analysis3description: Performance analysis. Use for runtime throughput or latency benchmarks, TypeScript compiler cost, performance regressions, comparison harnesses, or thresholds.4---5 6Validate correctness with focused tests before measuring. Compare the same7focused operation and environment across revisions; a single unpaired run is8not evidence of improvement.9 10Select every applicable branch:11 12- **Runtime performance:** Read [runtime.md](runtime.md).13- **Type performance:** Read [types.md](types.md).14 15The task is complete when every selected branch meets its measurement and16reporting criteria and applicable root checks pass or are reported as not17runnable.18