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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2019/04/05 13:38:45 UTC

[GitHub] [incubator-mxnet] ptrendx opened a new pull request #14627: Speed up SequenceReverse

ptrendx opened a new pull request #14627: Speed up SequenceReverse
URL: https://github.com/apache/incubator-mxnet/pull/14627
 
 
   ## Description ##
   This PR makes the SequenceReverse operator use more parallelism in its execution, resulting in significant speedup.
   
   I tested it on the GNMT en-vi example from GluonNLP (https://gluon-nlp.mxnet.io/model_zoo/machine_translation/index.html#google-neural-machine-translation) where it resulted in end to end speed increase from 33k wps to 44-45k wps on a single V100.
   
   FYI @eric-haibin-lin @szha @fhieber @sbodenstein 
   
   ## Checklist ##
   ### Essentials ###
   Please feel free to remove inapplicable items for your PR.
   - [x] Changes are complete (i.e. I finished coding on this PR)
   - [x] All changes have test coverage:
   - [x] To the my best knowledge, examples are either not affected by this change, or have been fixed to be compatible with this change

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