COMPMID-3381: Implement graph example for YoLo v3 output detector

Add sub/exp/splitv support in graph api

Signed-off-by: Sheri Zhang <sheri.zhang@arm.com>
Change-Id: I4e08cc19a46655717068b12c93d67e619a595d9a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3309
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

2 files changed, 52 insertions, 8 deletions

diff --git a/arm_compute/graph/nodes/EltwiseLayerNode.h b/arm_compute/graph/nodes/EltwiseLayerNode.h
index d619ad2588..9ea5d69ac9 100644
--- a/arm_compute/graph/nodes/EltwiseLayerNode.h
+++ b/arm_compute/graph/nodes/EltwiseLayerNode.h
@@ -63,6 +63,12 @@ public:
      */
     ActivationLayerInfo fused_activation() const;
 
+    /** Returns output quantization info
+     *
+     * @return Output quantization info
+     */
+    QuantizationInfo output_quant_info() const;
+
     /** Sets fused activation
      *
      * @param[in] fused_activation Fused activation to set
@@ -80,6 +86,40 @@ public:
 private:
     descriptors::EltwiseLayerDescriptor descriptor;
 };
+
+/** Unary Eltwise Layer node */
+class UnaryEltwiseLayerNode final : public INode
+{
+public:
+    /** Constructor
+     *
+     * @param[in] descriptor Containing information for the node described in @ref descriptors::EltwiseLayerDescriptor
+     */
+    UnaryEltwiseLayerNode(const descriptors::UnaryEltwiseLayerDescriptor &descriptor);
+    /** Unary eltwise layer descriptor
+     *
+     * @return Unary eltwise layer descriptor which containing information
+     */
+    descriptors::UnaryEltwiseLayerDescriptor eltwise_descriptor() const;
+
+    /** Sets fused activation
+     *
+     * @param[in] fused_activation Fused activation to set
+     */
+    void set_fused_activation(ActivationLayerInfo fused_activation);
+
+    // Inherited overridden methods:
+    NodeType         type() const override;
+    bool             forward_descriptors() override;
+    TensorDescriptor configure_output(size_t idx) const override;
+    void accept(INodeVisitor &v) override;
+
+    static constexpr NodeType node_type = NodeType::UnaryEltwiseLayer;
+
+private:
+    descriptors::UnaryEltwiseLayerDescriptor descriptor;
+};
+
 } // namespace graph
 } // namespace arm_compute
 #endif /* ARM_COMPUTE_GRAPH_ELTWISE_LAYER_NODE_H */
diff --git a/arm_compute/graph/nodes/SplitLayerNode.h b/arm_compute/graph/nodes/SplitLayerNode.h
index 345260ab84..b5dea7f8c5 100644
--- a/arm_compute/graph/nodes/SplitLayerNode.h
+++ b/arm_compute/graph/nodes/SplitLayerNode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -38,10 +38,13 @@ class SplitLayerNode final : public INode
 public:
     /** Default Constructor
      *
-     * @param[in] num_splits Number of splits
-     * @param[in] axis       (Optional) Axis to split on. Supported axis >= 2. Defaults to 0
+     * @param[in] num_splits  Number of splits
+     * @param[in] axis        (Optional) Axis to split on. Defaults to 0
+     * @param[in] size_splits (Optional) The sizes of each output tensor along the split dimension.
+     *                        Must sum to the dimension of value along split_dim.
+     *                        Can contain one -1 indicating that dimension is to be inferred.
      */
-    SplitLayerNode(unsigned int num_splits, unsigned int axis = 0);
+    SplitLayerNode(unsigned int num_splits, int axis = 0, std::vector<int> size_splits = std::vector<int>());
     /** Computes split layer output descriptor
      *
      * @param[in] input_descriptor Descriptor of the input tensor
@@ -51,8 +54,8 @@ public:
      *
      * @return  A pair with the descriptor of the split and the starting coordinates
      */
-    static std::pair<TensorDescriptor, Coordinates> compute_output_descriptor(const TensorDescriptor &input_descriptor,
-                                                                              unsigned int num_splits, unsigned int axis, unsigned int idx);
+    std::pair<TensorDescriptor, Coordinates> compute_output_descriptor(const TensorDescriptor &input_descriptor,
+                                                                       unsigned int num_splits, int axis, unsigned int idx);
     /** Number of splits accessor
      *
      * @return Number of splits
@@ -72,8 +75,9 @@ public:
     void accept(INodeVisitor &v) override;
 
 private:
-    unsigned int _num_splits;
-    unsigned int _axis;
+    unsigned int     _num_splits;
+    int              _axis;
+    std::vector<int> _size_splits;
 };
 } // namespace graph
 } // namespace arm_compute