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threadpoolctl_limit_blas_threads_in_context_block.py

python

Limits the number of threads used by native libraries (like OpenBLAS or MK

15d ago8 linesjoblib/threadpoolctl
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threadpoolctl_limit_blas_threads_in_context_block.py
1from threadpoolctl import threadpool_limits
2import numpy as np
3
4with threadpool_limits(limits=1, user_api='blas'):
5    # In this block, any call to a BLAS implementation (like OpenBLAS or MKL)
6    # will be limited to a single thread.
7    a = np.random.randn(1000, 1000)
8    a @ a