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Title: Optimize fast_locals and atomic ordering by youknowone · Pull Request #7289 · RustPython/RustPython · GitHub

Open Graph Title: Optimize fast_locals and atomic ordering by youknowone · Pull Request #7289 · RustPython/RustPython

X Title: Optimize fast_locals and atomic ordering by youknowone · Pull Request #7289 · RustPython/RustPython

Description: Summary by CodeRabbit Release Notes Performance Improvements Optimized synchronization and atomic operations for enhanced runtime efficiency Implemented lock-free storage for local variables Streamlined execution path when tracing is disabled

Open Graph Description: Summary by CodeRabbit Release Notes Performance Improvements Optimized synchronization and atomic operations for enhanced runtime efficiency Implemented lock-free storage for local variables Stre...

X Description: Summary by CodeRabbit Release Notes Performance Improvements Optimized synchronization and atomic operations for enhanced runtime efficiency Implemented lock-free storage for local variables Stre...

Opengraph URL: https://github.com/RustPython/RustPython/pull/7289

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6895ddb Relax RefCount atomic ordering from SeqCst to Arc pattern youknowone Mar 1, 2026 https://github.com/RustPython/RustPython/pull/7289/commits/6895ddbca8b000f960300021ba709c9c0ecab3cc
89703b6 Reuse existing Vec via prepend_arg in execute_call youknowone Mar 1, 2026 https://github.com/RustPython/RustPython/pull/7289/commits/89703b608bb74c6d520bde75896c75481c6634f0
6a9be9f Skip downcast_ref checks in invoke when tracing is disabled youknowone Mar 1, 2026 https://github.com/RustPython/RustPython/pull/7289/commits/6a9be9f780d5759f4a8c56df5576c5cb5c489108
958853f Replace fastlocals PyMutex with UnsafeCell-based FastLocals youknowone Mar 1, 2026 https://github.com/RustPython/RustPython/pull/7289/commits/958853f51f9041ce444d9d22b1b2b655f967633a
516ff0f Auto-format: cargo fmt --all github-actions[bot] Mar 1, 2026 https://github.com/RustPython/RustPython/pull/7289/commits/516ff0ffbd3ee15596171cfc6f3e8a041a6e79c8
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