TristonC commented on issue #16201: using gluon/image_classification.py img/sec speed up when metric update and reset when turned off URL: https://github.com/apache/incubator-mxnet/issues/16201#issuecomment-533359934 The speedup is not real. And it is due to the asynchronous computation of MXNet. The nd.asnumpy() function is called in the metrics' update which causes the synchronization for each batch. The performance without metrics update should be close to the one with the metrics update.
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