[GitHub] eric-haibin-lin commented on issue #8500: program crash when run sparse model predict

[GitBox <gi...@apache.org>]

eric-haibin-lin commented on issue #8500: program crash when run sparse model predict
URL: https://github.com/apache/incubator-mxnet/issues/8500#issuecomment-348608342
 
 
   For this model you don't need to change the default value for `MXNET_CPU_WORKER_NTHREADS `. This env var is to enable running multiple operators in parallel when you have a computation graph that has divergent path. I recommend you setting it back to 1, which will make the profiler result much easier to read. 
   
   The time spent on forward and backward is only a small fraction of the total time. I don't see the profiler block for updater. What optimizer are you using? Is it any custom optimizer? 

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