[W ParallelNative.cpp:212] Warning: Cannot set number of intraop threads after parallel work h

[W ParallelNative.cpp:212] Warning: Cannot set number of intraop threads after parallel work has started or after set_num_threads call when using native parallel backend (function set_num_threads)

翻译一下：

无法在并行任务启动后设置线程数量，也无法在使用原生的并行后端时调用set_num_threds。

总的来说，就是这个问题还没解决，只能取消并行，用单线程去运行。

import os
os.environ["OMP_NUM_THREADS"] = "1"

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