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numpy parallelism is slow #20

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bwpriest opened this issue Dec 23, 2021 · 0 comments
Open

numpy parallelism is slow #20

bwpriest opened this issue Dec 23, 2021 · 0 comments

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@bwpriest
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The solve operations actually speed up when numpy is limited to use only one core, i.e.

import os
os.environ["OMP_NUM_THREADS"] = "1"
import numpy as np

It is not obvious why this is the case, nor how to fix it.
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@bwpriest