Minor CI fixes#12
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matajoh merged 1 commit intomicrosoft:mainfrom May 5, 2026
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Packaging - Ship examples/*.txt in the wheel (move out of examples/assets/, fix the package_data glob, update sketches.py loader paths). Windows / x86 - Add a windows-x86 (CPython 3.12) job to pr_gate.yml. - Fix MSVC volatile warnings in compat.h. - Provide working 64-bit atomics on 32-bit x86: emulate load/store/exchange/fetch_add via _InterlockedCompareExchange64 CAS loops where the Interlocked*64 intrinsics are unavailable. - sched.c: cast atomic args through (void *) to silence MSVC cast-qual warnings. Physical-CPU-aware worker sizing - New boc_physical_cpu_count() with Linux (sysfs + sched_getaffinity), macOS (sysctl hw.physicalcpu_max) and Windows (GetLogicalProcessorInformationEx) backends; exposed as bocpy._core.physical_cpu_count(). - WORKER_COUNT now defaults to physical_cpu_count() - 1, with a BOCPY_WORKERS env override and graceful fallback to sched_getaffinity / multiprocessing. Avoids HT/SMT oversubscription that hurts CPU-bound throughput. Benchmark - Use physical core count for default sweep values, the oversubscription warning and run metadata. - derive_sizes() biases toward more independent rings rather than more chains-per-ring so the chain-ring workload stops starving at higher worker counts. README - New "Scaling with cores" section with a Mermaid speedup chart (~7.5x at 8 workers on the chain-ring benchmark) and the exact reproduction command. Boids example - Add --scale for the rendered triangle size, show FPS alongside behavior/s, and print an average behavior/s summary on a successful recorded run. Misc - Drop the always-skipped TestStealSpuriousFailureStress placeholder in test_scheduler_steal.py. Signed-off-by: Matthew A Johnson <matjoh@microsoft.com>
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