roywei commented on issue #15640: Performance regression for MXNet 1.5.0 URL: https://github.com/apache/incubator-mxnet/issues/15640#issuecomment-514346568 In addition, if you are using mkl version, you can try these env var mentioned here:https://github.com/apache/incubator-mxnet/issues/15429#issuecomment-507700562 ``` export KMP_AFFINITY=granularity=fine,noduplicates,compact,1,0 export OMP_NUM_THREADS=18 ```
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