zhreshold commented on issue #13593: Low CPU usage of MXNet in subprocesses URL: https://github.com/apache/incubator-mxnet/issues/13593#issuecomment-445942718 The limitation of 1 thread per worker is deliberately set to avoid thread contention. Per offline discussion, I think a good solution is to use a ENV variable to control the limit of threads per worker can use (which defaults to 1 now).
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