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Title: freelist optimization by youknowone · Pull Request #7337 · RustPython/RustPython · GitHub

Open Graph Title: freelist optimization by youknowone · Pull Request #7337 · RustPython/RustPython

X Title: freelist optimization by youknowone · Pull Request #7337 · RustPython/RustPython

Description: Summary by CodeRabbit Chores Added per-type freelists for dicts, floats, lists, and slices to enable reuse of freed objects and reduce allocation overhead. Allocation/deallocation now reuses cached instances when safe, improving performance and latency. Updated spell-check dictionary (added "freelist").

Open Graph Description: Summary by CodeRabbit Chores Added per-type freelists for dicts, floats, lists, and slices to enable reuse of freed objects and reduce allocation overhead. Allocation/deallocation now reuses cach...

X Description: Summary by CodeRabbit Chores Added per-type freelists for dicts, floats, lists, and slices to enable reuse of freed objects and reduce allocation overhead. Allocation/deallocation now reuses cach...

Opengraph URL: https://github.com/RustPython/RustPython/pull/7337

X: @github

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Domain: github.com

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4c030e9 Add object freelist infrastructure and PyFloat freelist youknowone Mar 3, 2026 https://github.com/RustPython/RustPython/pull/7337/commits/4c030e9e679546fefb85affbbbae9b19e0f32d5c
ad49638 Add PyList freelist and GC-safe freelist infrastructure youknowone Mar 3, 2026 https://github.com/RustPython/RustPython/pull/7337/commits/ad496386ee2fedfebc1a41bafbcbcb844e191bb5
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e4d4d11 Add PySlice freelist (max 1, matching PySlice_MAXFREELIST) youknowone Mar 3, 2026 https://github.com/RustPython/RustPython/pull/7337/commits/e4d4d116ce2927f54d1803f7eb033ad9d3faa553
c0b33a6 Add FreeList wrapper to drain cached objects on thread teardown youknowone Mar 4, 2026 https://github.com/RustPython/RustPython/pull/7337/commits/c0b33a68842c858ae95ccb7d81e71df39ea6c396
5b78ad5 Add manual Traverse impl for PySlice with clear() and fix comment youknowone Mar 4, 2026 https://github.com/RustPython/RustPython/pull/7337/commits/5b78ad51c401abb808ab8c319c1e560e6dd5e0f1
2266d94 Deduplicate allocation fallback in PyRef::new_ref youknowone Mar 4, 2026 https://github.com/RustPython/RustPython/pull/7337/commits/2266d940fc13e6a001261c48bf7c5336c6a982c3
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