⚡ Bolt: Optimize compareTo with manual parsing #796
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Replaces regex-based version string parsing in `compareTo` with a manual character-by-character parser. This avoids allocation of intermediate strings and arrays, resulting in a significant performance improvement (from ~852ns to ~28ns per call in benchmarks). - Replaced regex replacement for 'v' prefix with char code check - Replaced split and regex validation with single-pass loop - Maintained exact behavior parity including edge cases
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #796 +/- ##
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- Coverage 100.00% 98.46% -1.54%
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Files 1 1
Lines 46 65 +19
Branches 16 25 +9
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+ Hits 46 64 +18
- Misses 0 1 +1
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⚡ Bolt: Optimize compareTo with manual parsing
💡 What: Replaced regex-based version string parsing with a manual character loop.
🎯 Why: Version comparisons are a hot path. The previous implementation used regex and string splitting which are relatively slow and allocate memory.
📊 Impact: ~30x faster (28ns vs 852ns) in benchmarks.
🔬 Measurement: Verified with local benchmark (mitata) and existing tests pass.
PR created automatically by Jules for task 1747979225437658987 started by @srod
Summary by cubic
Optimized compareTo by replacing regex and split parsing with a manual character-by-character parser to reduce allocations and speed up version comparisons. Benchmarks show ~30x faster runtime (28ns vs 852ns) with behavior parity and passing tests.
Written for commit e4d4688. Summary will update on new commits.