a550461053 commented on issue #17539: implement a c++ operator using other outside functions in 'so' file URL: https://github.com/apache/incubator-mxnet/issues/17539#issuecomment-593783535 > > Hi @a550461053 are you able to resolve the problem based on the discussion in [#17486 (comment)](https://github.com/apache/incubator-mxnet/pull/17486#issuecomment-586640766) > > I implement a mxnet backend operator and use 'dlopen' to load 'so' file in 'xxx-inl.h' first forward function. It's ok. > But I have another problem: I inherit the mxnet operator to implement my XXX op, it's ok. But I want to use 'NDArray' as the input of forward function instead of 'TBlob' for using the dependencies. When I try the `NNVM_REGISTER_OP(_contrib_xxx).set_attr<FComputeEx>("FComputeEx<cpu>", XXX<cpu>);`, test the XXX operator in python, got `_contrib_XXX is not implemented for CPU.` Do you have any ideas? This new problem has been found: `NNVM_REGISTER_OP` should assign `DispatchMode::kFComputeEx` when using `FComputeEx` .
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