| """ | |
| Performance Regression Tests - Track performance over time. | |
| This module contains tests that detect performance regressions by comparing | |
| current benchmark results against historical baselines. | |
| Tests use pytest-benchmark for historical tracking and the check_regression | |
| fixture to fail when performance degrades beyond the threshold (20% by default). | |
| Baselines are stored in performance_baseline.json and can be auto-updated | |
| when performance improves by >10% using --benchmark-autosave. | |
| Reference: Phase 243 Plan 02 - Performance Regression Detection | |
| """ | |