performance-engineering
Performance Engineering
Evidence-based performance optimization → measure → profile → optimize → validate.
<when_to_use>
- Profiling slow code paths or bottlenecks
- Identifying memory leaks or excessive allocations
- Optimizing latency-critical operations (P95, P99)
- Benchmarking competing implementations
- Database query optimization
- Reducing CPU usage in hot paths
- Improving throughput (RPS, ops/sec)
NOT for: premature optimization, optimization without measurement, guessing at bottlenecks
</when_to_use>
<iron_law>
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