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Subject [GitHub] [singa] chrishkchris edited a comment on pull request #733: add imdb sentiment model
Date Tue, 16 Jun 2020 04:23:52 GMT

chrishkchris edited a comment on pull request #733:

   > > 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 is the API
   It needs x, y, hx, reserveSpace

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