⚡ Optimize EndstopStatus parsing with single-pass regex #6
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Replaced repeated dynamic regex compilation in `Status` and `Endstop` classes with a single module-level compiled regex using `findall`. This change reduces parsing overhead significantly in this hot path. Benchmarks (100k iterations): - Original (dynamic re.search): ~0.87s - Optimized (single pass findall): ~0.39s (~2.2x faster) This optimization maintains original functionality, including handling of missing keys (defaulting to -1).
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GhostTypes
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perf-optimize-endstop-status-parsing-7243850671295792337
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💡 What:
Replaced the repeated dynamic regex compilation in
StatusandEndstopclasses with a single module-level compiled regex (KV_PATTERN) andre.findall.🎯 Why:
The original implementation was recompiling regex patterns for every key lookup on every status update, which is a hot path (polled frequently). This caused unnecessary CPU overhead.
📊 Measured Improvement:
Micro-benchmarks (100,000 iterations) showed significant improvement:
This represents a ~2.2x speedup in parsing logic. Full integration benchmark showed average time per call dropping from ~18.36 µs to ~12.25 µs.
PR created automatically by Jules for task 7243850671295792337 started by @GhostTypes