ArmNN
 24.08
SplitterLayer.hpp
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1 //
2 // Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #pragma once
6 
8 
9 namespace armnn
10 {
11 
12 /// This layer represents a split operation.
13 class SplitterLayer : public LayerWithParameters<ViewsDescriptor>
14 {
15 public:
16  /// Makes a workload for the Splitter type.
17  /// @param [in] graph The graph where this layer can be found.
18  /// @param [in] factory The workload factory which will create the workload.
19  /// @return A pointer to the created workload, or nullptr if not created.
20  virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override;
21 
22  /// Set the outputs to be appropriate sub tensors of the input if sub tensors are supported
23  /// otherwise creates tensor handlers.
24  /// @param [in] registry Contains all the registered tensor handle factories available for use.
25  /// @param [in] factory The workload factory which will create the workload.
26  /// @param [in] IsMemoryManaged Determine whether or not to assign a memory manager during creation
27  virtual void CreateTensorHandles(const TensorHandleFactoryRegistry& registry,
28  const IWorkloadFactory& factory,
29  const bool IsMemoryManaged = true) override;
30 
31  /// Creates a dynamically-allocated copy of this layer.
32  /// @param [in] graph The graph into which this layer is being cloned.
33  SplitterLayer* Clone(Graph& graph) const override;
34 
35  /// Check if the input tensor shape(s)
36  /// will lead to a valid configuration of @ref SplitterLayer.
37  /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated.
38  void ValidateTensorShapesFromInputs() override;
39 
40  /// By default returns inputShapes if the number of inputs are equal to number of outputs,
41  /// otherwise infers the output shapes from given input shapes and layer properties.
42  /// @param [in] inputShapes The input shapes layer has.
43  /// @return A vector to the inferred output shape.
44  std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override;
45 
46  void ExecuteStrategy(IStrategy& strategy) const override;
47 
48 
49 protected:
50  /// Constructor to create a SplitterLayer.
51  /// @param [in] param ViewsDescriptor to configure the splitter operation.
52  /// @param [in] name Optional name for the layer.
53  SplitterLayer(const ViewsDescriptor& param, const char* name);
54 
55  /// Default destructor
56  ~SplitterLayer() = default;
57 
58 private:
59  template <typename FactoryType>
60  void CreateTensors(const TensorHandleFactoryRegistry& registry, const FactoryType& factory, bool isMemoryManaged);
61 };
62 
63 } // namespace
armnn::ViewsDescriptor
A ViewsDescriptor for the SplitterLayer.
Definition: Descriptors.hpp:244
armnn::SplitterLayer::ExecuteStrategy
void ExecuteStrategy(IStrategy &strategy) const override
Apply a visitor to this layer.
Definition: SplitterLayer.cpp:239
armnn::SplitterLayer
This layer represents a split operation.
Definition: SplitterLayer.hpp:13
armnn::TensorHandleFactoryRegistry
Definition: TensorHandleFactoryRegistry.hpp:23
armnn::SplitterLayer::SplitterLayer
SplitterLayer(const ViewsDescriptor &param, const char *name)
Constructor to create a SplitterLayer.
Definition: SplitterLayer.cpp:17
armnn::SplitterLayer::ValidateTensorShapesFromInputs
void ValidateTensorShapesFromInputs() override
Check if the input tensor shape(s) will lead to a valid configuration of SplitterLayer.
Definition: SplitterLayer.cpp:205
armnn::IStrategy
Definition: IStrategy.hpp:16
armnn::LayerWithParameters
Definition: LayerWithParameters.hpp:14
armnn::SplitterLayer::CreateTensorHandles
virtual void CreateTensorHandles(const TensorHandleFactoryRegistry &registry, const IWorkloadFactory &factory, const bool IsMemoryManaged=true) override
Set the outputs to be appropriate sub tensors of the input if sub tensors are supported otherwise cre...
Definition: SplitterLayer.cpp:158
armnn::SplitterLayer::Clone
SplitterLayer * Clone(Graph &graph) const override
Creates a dynamically-allocated copy of this layer.
Definition: SplitterLayer.cpp:180
armnn::IWorkloadFactory
Definition: WorkloadFactory.hpp:22
armnn::SplitterLayer::~SplitterLayer
~SplitterLayer()=default
Default destructor.
LayerWithParameters.hpp
armnn::SplitterLayer::InferOutputShapes
std::vector< TensorShape > InferOutputShapes(const std::vector< TensorShape > &inputShapes) const override
By default returns inputShapes if the number of inputs are equal to number of outputs,...
Definition: SplitterLayer.cpp:185
armnn
Copyright (c) 2021 ARM Limited and Contributors.
Definition: 01_00_quick_start.dox:6
armnn::Graph
Definition: Graph.hpp:30
armnn::SplitterLayer::CreateWorkload
virtual std::unique_ptr< IWorkload > CreateWorkload(const IWorkloadFactory &factory) const override
Makes a workload for the Splitter type.
Definition: SplitterLayer.cpp:22