rahul003 commented on issue #9152: tutorial for distributed training URL: https://github.com/apache/incubator-mxnet/pull/9152#issuecomment-371059065 @TaoLv Sorry I missed your comment. You can profile the worker process similar to a single machine case. ``` mx.profiler.profiler_set_config(mode='all', filename= str(kv.rank) + 'profile_output.json') mx.profiler.profiler_set_state('run') # Code to be profiled goes here... mx.profiler.profiler_set_state('stop') ``` Note the use of rank above to ensure that the path to save profile should be different for different workers. There you can look for the operators KVStore Push/Pull to see time taken for communication. I'll add a proper section for profiling to the tutorial once https://github.com/apache/incubator-mxnet/pull/9933 is merged. That makes it easy to profile the server processes too.
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