haojin2 commented on a change in pull request #12541: [MXNET-936] [WIP] [DO NOT
REVIEW] Support projection and clip in CuDNN LSTM
URL: https://github.com/apache/incubator-mxnet/pull/12541#discussion_r217230427
##########
File path: src/operator/cudnn_rnn-inl.h
##########
@@ -498,6 +498,16 @@ class CuDNNRNNOp : public Operator{
}
CUDNN_CALL(cudnnSetRNNMatrixMathType(rnn_desc_, math_type));
#endif
+ if (param_.projection_size.has_value()) {
+ #if (CUDNN_MAJOR == 7 && CUDNN_MINOR >= 1) || CUDNN_MAJOR > 7
+ CUDNN_CALL(cudnnSetRNNProjectionLayers(s->dnn_handle_,
+ rnn_desc_,
+ param_.projection_size.value(),
+ 0));
+ #else
+ LOG(FATAL) << "Projection is only available with later than CuDNN
7.1.1";
Review comment:
Okay
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