Harden C extension for memory/pointer safety, GIL=0, and speed - #96

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Qubitium merged 9 commits into

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devin/safety-speed-gil

Jul 24, 2026

Commits on Jul 24, 2026

Harden C extension: bounds, alloc pairing, refcount/atomic init, GIL release, faster findall/UTF-8
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Fix release CI: pin setuptools to pyproject build-system range and correct uv typo
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Release GIL around PCRE2 match only for large subjects to avoid small-call overhead
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Vectorize utf8_offset_to_index using popcount on starter bytes
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Vectorize utf8_index_to_offset with 8-byte starter-byte skipping
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Revert match group extraction to PyUnicode_DecodeUTF8 to avoid utf8_offset_to_index overhead
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Update README with head-to-head re/regex benchmark wins and add competitor_bench.py
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Clarify README benchmark table and avoid pipe chars in table cells
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Bump version to 0.4.0 and expand test coverage\n\n- Set package and C-extension __version__ to 0.4.0 and document in README.\n- Add coverage-focused tests for pcre.re_compat, pcre.threads, pcre.cac…
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