junrushao1994 commented on a change in pull request #13283: [MXNET-1215] Allow
dynamic shape exists in imperative mode
URL: https://github.com/apache/incubator-mxnet/pull/13283#discussion_r234242611
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File path: include/mxnet/ndarray.h
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@@ -103,7 +103,18 @@ class NDArray {
bool delay_alloc = true, int dtype = mshadow::default_type_flag,
std::vector<int> aux_types = {}, std::vector<TShape> aux_shapes = {},
TShape storage_shape = TShape(mshadow::Shape1(0)));
-
+ /*!
+ * \brief constructs a new dynamic NDArray whose shape is unknown,
+ * hence the NDArray is inherently lazily created
+ * \param ctx context of NDArray
+ * \param dtype data type of this ndarray
+ */
+ explicit NDArray(Context ctx, int dtype = mshadow::default_type_flag) {
+ ptr_ = std::make_shared<Chunk>(TShape(mshadow::Shape1(0)), ctx, true,
dtype);
Review comment:
@zheng-da Do you have any specific consideration about this? I am not sure
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