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Dropout is Slow #13825
Adding dropout to network seems to reduce speed of forward pass substantially.
I've seen this a few times now, and the latest was occasion was on the discussion forum:
Could be related to #12976.
Environment info (Required)
User above is using MXNet version 1.3.1 on Ubuntu 16.04.5 with GTX1080.
Package used (Python/R/Scala/Julia): Python
Minimum reproducible example