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From GitBox <...@apache.org>
Subject [GitHub] [singa] chrishkchris commented on pull request #733: add imdb sentiment model
Date Tue, 16 Jun 2020 04:04:18 GMT

chrishkchris commented on pull request #733:
URL: https://github.com/apache/singa/pull/733#issuecomment-644518262


   > > And I found that the calculation of dw is not based on dy in the back propagation
function of the rnn operator. Is this correct?
   > 
   > hi from the cudnn api, dy is not used when getting dw, I think cudnn internals used
the `reserve_space` for keeping `dy` from `backward dx`
   
   This one? https://docs.nvidia.com/deeplearning/sdk/cudnn-api/index.html#cudnnRNNBackwardWeights


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