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Use OpenMP for threading instead of TBB#171

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ndgrigorian wants to merge 2 commits intomainfrom
drop-tbb-threading
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Use OpenMP for threading instead of TBB#171
ndgrigorian wants to merge 2 commits intomainfrom
drop-tbb-threading

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This PR proposes moving from TBB to OpenMP threading due to observed segfaults in the Python interpreter teardown when using TBB, likely from having multiple threading frameworks installed simultaneously when using PyPI NumPy

@ndgrigorian ndgrigorian marked this pull request as ready for review March 10, 2026 23:35
OpenMP implicitly needs to be found by MKL with "intel_thread" set, so the set is unnecessary
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