ArmNN
 24.08
FullyConnectedLayer.hpp
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1 //
2 // Copyright © 2017,2022 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #pragma once
6 
8 
9 namespace armnn
10 {
11 
12 class ScopedTensorHandle;
13 
14 /// This layer represents a fully connected operation.
15 class FullyConnectedLayer : public LayerWithParameters<FullyConnectedDescriptor>
16 {
17 public:
18 
19  /// Makes a workload for the FullyConnected type.
20  /// @param [in] graph The graph where this layer can be found.
21  /// @param [in] factory The workload factory which will create the workload.
22  /// @return A pointer to the created workload, or nullptr if not created.
23  virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override;
24 
25  /// Creates a dynamically-allocated copy of this layer.
26  /// @param [in] graph The graph into which this layer is being cloned.
27  FullyConnectedLayer* Clone(Graph& graph) const override;
28 
29  /// Check if the input tensor shape(s)
30  /// will lead to a valid configuration of @ref FullyConnectedLayer.
31  /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validate.
32  void ValidateTensorShapesFromInputs() override;
33 
34  /// By default returns inputShapes if the number of inputs are equal to number of outputs,
35  /// otherwise infers the output shapes from given input shapes and layer properties.
36  /// @param [in] inputShapes The input shapes layer has.
37  /// @return A vector to the inferred output shape.
38  std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override;
39 
40  void ExecuteStrategy(IStrategy& strategy) const override;
41 
42  /// This layer does not have any data stored, weights and bias are now stored in constant layers.
43  /// We do not want to release the data in the constant layer, that is why we override with an empty function.
44  void ReleaseConstantData() override {}
45 
46 protected:
47  /// Constructor to create a FullyConnectedLayer.
48  /// @param [in] param FullyConnectedDescriptor to configure the fully connected operation.
49  /// @param [in] name Optional name for the layer.
50  FullyConnectedLayer(const FullyConnectedDescriptor& param, const char* name);
51 
52  /// Default destructor
53  ~FullyConnectedLayer() = default;
54 
55  /// Retrieve the handles to the constant values stored by the layer.
56  /// @return A vector of the constant tensors stored by this layer.
58 };
59 
60 } // namespace
armnn::FullyConnectedLayer::ValidateTensorShapesFromInputs
void ValidateTensorShapesFromInputs() override
Check if the input tensor shape(s) will lead to a valid configuration of FullyConnectedLayer.
Definition: FullyConnectedLayer.cpp:53
armnn::FullyConnectedDescriptor
A FullyConnectedDescriptor for the FullyConnectedLayer.
Definition: Descriptors.hpp:507
armnn::FullyConnectedLayer::GetConstantTensorsByRef
ImmutableConstantTensors GetConstantTensorsByRef() const override
Retrieve the handles to the constant values stored by the layer.
Definition: FullyConnectedLayer.cpp:78
armnn::FullyConnectedLayer::ExecuteStrategy
void ExecuteStrategy(IStrategy &strategy) const override
Apply a visitor to this layer.
Definition: FullyConnectedLayer.cpp:84
armnn::IStrategy
Definition: IStrategy.hpp:16
armnn::LayerWithParameters
Definition: LayerWithParameters.hpp:14
armnn::FullyConnectedLayer::FullyConnectedLayer
FullyConnectedLayer(const FullyConnectedDescriptor &param, const char *name)
Constructor to create a FullyConnectedLayer.
Definition: FullyConnectedLayer.cpp:17
armnn::IConnectableLayer::ImmutableConstantTensors
std::vector< std::reference_wrapper< const std::shared_ptr< ConstTensorHandle > >> ImmutableConstantTensors
Definition: INetwork.hpp:141
armnn::FullyConnectedLayer::Clone
FullyConnectedLayer * Clone(Graph &graph) const override
Creates a dynamically-allocated copy of this layer.
Definition: FullyConnectedLayer.cpp:29
armnn::FullyConnectedLayer::~FullyConnectedLayer
~FullyConnectedLayer()=default
Default destructor.
armnn::IWorkloadFactory
Definition: WorkloadFactory.hpp:22
armnn::FullyConnectedLayer
This layer represents a fully connected operation.
Definition: FullyConnectedLayer.hpp:15
armnn::FullyConnectedLayer::ReleaseConstantData
void ReleaseConstantData() override
This layer does not have any data stored, weights and bias are now stored in constant layers.
Definition: FullyConnectedLayer.hpp:44
LayerWithParameters.hpp
armnn
Copyright (c) 2021 ARM Limited and Contributors.
Definition: 01_00_quick_start.dox:6
armnn::FullyConnectedLayer::CreateWorkload
virtual std::unique_ptr< IWorkload > CreateWorkload(const IWorkloadFactory &factory) const override
Makes a workload for the FullyConnected type.
Definition: FullyConnectedLayer.cpp:22
armnn::Graph
Definition: Graph.hpp:30
armnn::FullyConnectedLayer::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: FullyConnectedLayer.cpp:35