leleamol edited a comment on issue #14184: Cannot infer RNN symbol with mode=RNNMode::kRnn_tanh URL: https://github.com/apache/incubator-mxnet/issues/14184#issuecomment-470770974 Hi @e8035669 The "op.h" file in cpp-package is automatically generated. It contains the function declarations (such as the "Symbol RNN ()" mentioned in this issue.) that are derived by parsing the libmxnet.so file. As per the documentation for the RNN operator, the "state_cell" parameter is only needed for LSTM network. However, due to the way how "op.h" is generated, it is not possible to separate between RNN variants and come up with matching function signatures. Therefore, users would be required to provide dummy state_cell symbol or invoke the RNN operator directly as you had mentioned. It is currently a limitation and would require re-design of how op.h is generated. Please let me know if this answers your question. @mxnet-label-bot add [Pending Requester Info]
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