larroy commented on a change in pull request #15625: Minor refactor of fully
connected.
URL: https://github.com/apache/incubator-mxnet/pull/15625#discussion_r307627450
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File path: src/operator/nn/fully_connected-inl.h
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@@ -75,6 +75,38 @@ struct FullyConnectedParam : public
dmlc::Parameter<FullyConnectedParam> {
}
};
+/**
+ * Flatten additional dimensions after the first
+ * @tparam xpu
+ * @tparam DType
+ * @param tblob
+ * @param ctx
+ * @return 2 Dimensional Tensor with upper shapes collapsed
+ */
+template<typename xpu, typename DType>
+Tensor<xpu, 2, DType> FlattenAs2DTail(const TBlob& tblob, const OpContext&
ctx) {
+ const TShape& shape = tblob.shape_;
+ Stream<xpu> *stream = ctx.get_stream<xpu>();
+ return tblob.get_with_shape<xpu, 2, DType>(
+ Shape2(shape[0], shape.ProdShape(1, shape.ndim())), stream);
+}
+
+/**
+ * Flatten dimensions except last
+ * @tparam xpu
+ * @tparam DType
+ * @param tblob
+ * @param ctx
+ * @return 2 Dimensional tensor with front shapes collapsed
+ */
+template<typename xpu, typename DType>
+Tensor<xpu, 2, DType> FlattenAs2DHead(const TBlob& tblob, const OpContext&
ctx) {
Review comment:
Please suggest a better name.
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