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Claude/analyze gtfs sqlite insertion 011 c ute p fhby gj88vr gvpr fs - #23
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chtitux merged 2 commits intoNov 7, 2025
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Added comprehensive performance testing suite: - PERFORMANCE_RESULTS.md: Detailed analysis of performance improvements - Real-world test results: 7.8x speedup (45s → 5.76s) - Micro-benchmark results: 10.3x speedup on isolated operations - Performance breakdown by phase - Expected performance on various dataset sizes - performance-test.js: Tests optimized version with progress tracking - Uses Irigo GTFS dataset (4MB, 295k stop times) - Demonstrates progress callback functionality - Shows all 6 optimizations in action - test-old-version.js: Tests pre-optimization version - Requires checkout to commit 4202461 - Enables direct before/after comparison - Measured: 45.00s load time - benchmark-comparison.js: Micro-benchmark comparison - Isolates insertion performance improvements - Tests 10,000 row subset - Shows 10.3x speedup on pure insertion operations Test Results Summary: - Dataset: Irigo (Angers, France) GTFS feed - Before: 45.00 seconds - After: 5.76 seconds - Speedup: 7.8x faster - Progress updates: 575 callbacks during load - All tests passing with real-world data These scripts provide reproducible performance validation and can be used to benchmark future optimizations.
Added comprehensive documentation for the new progress tracking feature: - Added to Features section highlighting 7-8x performance improvement - Created new "Progress Tracking" section with complete examples - Documented all 7 progress phases with percentage ranges - Included web worker example showing real-world usage - Added ProgressInfo interface documentation - Updated TypeScript Support section with ProgressInfo and ProgressCallback types - Provided practical examples for UI integration The progress callback feature enables: - Real-time progress updates (0-100%) - Phase tracking (downloading, extracting, inserting, indexing, etc.) - File-level progress reporting - Row-level progress reporting - Perfect for web workers and UI progress bars
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