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Title: gh-145230: Update lockbench.py and benchmark_locks API by gourijain029-del · Pull Request #145271 · python/cpython · GitHub

Open Graph Title: gh-145230: Update lockbench.py and benchmark_locks API by gourijain029-del · Pull Request #145271 · python/cpython

X Title: gh-145230: Update lockbench.py and benchmark_locks API by gourijain029-del · Pull Request #145271 · python/cpython

Description: PR Description Updates lockbench.py and the internal benchmark_locks API to support more realistic PyMutex benchmarking. Key Changes: New Metrics: Added --work-outside, --num-locks, and --total-iters to simulate varying contention levels and measure fairness. Redundancy: Removed PyThread_type_lock benchmarking as it now uses PyMutex. CLI: Switched to argparse and made the number of threads configurable. Efficiency: Added cache-line padding to mutex states in C to prevent false sharing during multi-lock tests. Issue: gh-145230

Open Graph Description: PR Description Updates lockbench.py and the internal benchmark_locks API to support more realistic PyMutex benchmarking. Key Changes: New Metrics: Added --work-outside, --num-locks, and --total-ite...

X Description: PR Description Updates lockbench.py and the internal benchmark_locks API to support more realistic PyMutex benchmarking. Key Changes: New Metrics: Added --work-outside, --num-locks, and --total-ite...

Opengraph URL: https://github.com/python/cpython/pull/145271

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aa29467 gh-145230: Update lockbench.py and benchmark_locks API gourijain029-del Feb 26, 2026 https://github.com/python/cpython/pull/145271/commits/aa29467f6a5b4c61d71976e299ace0e93f1a92d6
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