⚡️ Speed up function _extract_gradle_include_modules by 22% in PR #1906 (cf-java-zero-config-strategy)#1908
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mashraf-222 merged 1 commit intocf-java-zero-config-strategyfrom Mar 26, 2026
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Pre-compiling the two regex patterns (`_RE_INCLUDE` and `_RE_QUOTED`) at module load time eliminates the per-call compilation overhead that `re.finditer` and `re.findall` incurred when given raw strings. Line profiler shows the inner loop's regex overhead dropped from ~3.4 ms to ~1.8 ms (47% reduction), and the outer loop regex from ~1.8 ms to ~1.1 ms (39% reduction), yielding a 21% overall speedup. The optimization is particularly effective in the realistic `_parse_gradle_settings_modules` caller, where the function may be invoked repeatedly across many project roots. No functional or behavioral changes; all tests pass with identical outputs.
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Claude finished @codeflash-ai[bot]'s task in 1m 25s —— View job PR Review SummaryPrek ChecksNo issues found. Code ReviewOptimization PR for The change is correct and safe:
No issues found. Duplicate DetectionNo duplicates detected — these patterns are only used within Other Optimization PRsPRs #1895, #1891, and #1890 (targeting Last updated: 2026-03-26T12:07 |
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⚡️ This pull request contains optimizations for PR #1906
If you approve this dependent PR, these changes will be merged into the original PR branch
cf-java-zero-config-strategy.📄 22% (0.22x) speedup for
_extract_gradle_include_modulesincodeflash/languages/java/gradle_strategy.py⏱️ Runtime :
2.58 milliseconds→2.12 milliseconds(best of221runs)📝 Explanation and details
Pre-compiling the two regex patterns (
_RE_INCLUDEand_RE_QUOTED) at module load time eliminates the per-call compilation overhead thatre.finditerandre.findallincurred when given raw strings. Line profiler shows the inner loop's regex overhead dropped from ~3.4 ms to ~1.8 ms (47% reduction), and the outer loop regex from ~1.8 ms to ~1.1 ms (39% reduction), yielding a 21% overall speedup. The optimization is particularly effective in the realistic_parse_gradle_settings_modulescaller, where the function may be invoked repeatedly across many project roots. No functional or behavioral changes; all tests pass with identical outputs.✅ Correctness verification report:
🌀 Click to see Generated Regression Tests
To edit these changes
git checkout codeflash/optimize-pr1906-2026-03-26T12.05.22and push.