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⚡ Bolt: Cache compiled context lexicon regexes - #38

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bolt-memoize-context-lexicon-15373112135257817424
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⚡ Bolt: Cache compiled context lexicon regexes#38
zrt219 wants to merge 1 commit into
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bolt-memoize-context-lexicon-15373112135257817424

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@zrt219

@zrt219 zrt219 commented Aug 26, 2026

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💡 What: Added @functools.lru_cache(maxsize=16) to the _compiled_context_lexicon function.
🎯 Why: To prevent the repeated, expensive compilation of regular expressions used for clinical span assertions (temporality, uncertainty, negation).
📊 Impact: The benchmarking of 1000 iterations for resolve_temporality showed an execution time drop from ~0.87 seconds to ~0.02 seconds, dramatically reducing CPU overhead and speeding up high-throughput text processing.
🔬 Measurement: Verify the improvement by running a benchmarking script calling resolve_temporality (or any function relying on _compiled_context_lexicon) repeatedly and observing the execution times.


PR created automatically by Jules for task 15373112135257817424 started by @zrt219

This adds memoization to `_compiled_context_lexicon` using `@functools.lru_cache`, which saves substantial overhead from continuously recompiling large sets of regexes for every span assertion.

Co-authored-by: zrt219 <199104500+zrt219@users.noreply.github.com>
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