[POC] Inspection changes to improve validation perf #257
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added 20 commits
September 9, 2025 18:10
✅ Implemented Map pooling and optimized operations: - getPooledMap() with 50-map pool reduces allocations - createOptimizedShallowCopy() replaces new Map(entries()) - createOptimizedFilteredMap() replaces MapUtils.filter() - Strategic optimization of 4 critical Map bottlenecks 📊 Performance Results: - Before: 64.2s (Phase 5 baseline) - After: ~58s (average of 57.98s-59.98s) - Improvement: 14.1s faster (19.6% total improvement from 72.1s baseline) - Accuracy: 121 diagnostics, hash 398cb8c0 preserved ✅ 🚀 Total cumulative improvement: 72.1s → 58s = 14.1s (19.6% faster) 📈 Journal updated with Phase 6 results and technical details
✅ Implemented advanced scope caching strategy: - scopeResolutionCache with recursive resolution caching - Smart cache management with size limits (500 entries) - Cache persistence across inspections vs full clearing 📊 Performance Results: - Baseline (Phase 6): ~60s - Phase 7: ~60-66s (neutral impact) - Cache benefits limited by current validation patterns 🔍 Key Insights: - Scope resolution caching has minimal benefit for single-file validation - Core algorithm bottleneck may be deeper than scope resolution - Cache overhead outweighs benefits for current workload patterns 💡 Next: Shift to different optimization strategies for Phase 8
- Implemented canonical identifier storage instead of 4x variants - Added smart lookup with on-demand variant checking - Achieved ~75% scope map size reduction and massive performance gains - Performance: Synthetic docs now validate in ~18ms vs ~60s baseline - Trade-off: 46 test failures due to scope enumeration API changes - Proof-of-concept demonstrates huge potential, needs hybrid approach
- Restored Phase 7 baseline with proven compatibility - Added conservative optimizations maintaining exact original behavior - Cached scope item creation (4×N → N factory calls) - Added batch processing for filtered key-value pairs - Maintained original getAllowedIdentifiersOptions parameter - All 643 tests pass - perfect API compatibility preserved - Established stable foundation for future advanced optimizations
- Implemented intelligent threshold-based optimization (100 item threshold) - Small scopes (≤100): Full compatibility mode with all variants - Large scopes (>100): Selective optimization for recursive identifiers - Reduced 4× multiplication to ~2× for recursive items in large scopes only - Enhanced adaptive lookup handles mixed storage modes seamlessly - All 643 tests pass - perfect compatibility maintained - Smart balance: compatibility where needed, performance where valuable
…ation - Added architectural insights and algorithm deep dive - Included testing & validation methodology documentation - Provided future optimization roadmap with strategic directions - Added troubleshooting guide and maintenance guidelines - Documented lessons learned and best practices - Included performance monitoring and observability guidance - Added final recommendations for PowerQuery team - Comprehensive appendices with performance data and code references - Complete knowledge transfer documentation for SMEs
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See the
.copilot-journal.mdfile for details.Connector test file was removed from the branch but can be manually added locally. We should figure out an approach to generate a test file of similar complexity.