apeforest commented on a change in pull request #14779: [WIP] Fully connected,
higher order grad
URL: https://github.com/apache/incubator-mxnet/pull/14779#discussion_r305545540
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File path: src/operator/nn/fully_connected.cc
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@@ -331,5 +346,32 @@ NNVM_REGISTER_OP(_backward_FullyConnected)
#endif
.set_attr<FCompute>("FCompute<cpu>", FullyConnectedGradCompute<cpu>);
+
+// Higher order gradient for fully connected
Review comment:
This is only second order as it cannot support higher order without using
computation graph.
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