ArmNN
 24.08
MemImportLayer.cpp
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1 //
2 // Copyright © 2019-2024 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #include "MemImportLayer.hpp"
6 
7 #include "LayerCloneBase.hpp"
8 
9 #include <armnn/TypesUtils.hpp>
13 
14 namespace armnn
15 {
16 
18  : Layer(1, 1, LayerType::MemImport, name)
19 {
20 }
21 
23 {
24  return CloneBase<MemImportLayer>(graph, GetName());
25 }
26 
27 std::unique_ptr<IWorkload> MemImportLayer::CreateWorkload(const IWorkloadFactory& factory) const
28 {
29  IgnoreUnused(factory);
30  MemImportQueueDescriptor descriptor;
31  SetAdditionalInfo(descriptor);
32 
33  //This is different from other workloads. Does not get created by the workload factory.
34  return std::make_unique<ImportMemGenericWorkload>(descriptor, PrepInfoAndDesc(descriptor));
35 }
36 
38 {
40 
41  const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
42 
44 
45  auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetTensorInfo().GetShape() });
46 
47  if (inferredShapes.size() != 1)
48  {
49  throw armnn::LayerValidationException("inferredShapes has "
50  + std::to_string(inferredShapes.size()) +
51  " elements - should only have 1.");
52  }
53 
54  ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "MemImportLayer");
55 }
56 
58 {
59  IgnoreUnused(strategy);
60  throw armnn::Exception("MemImportLayer should not appear in an input graph");
61 }
62 
63 } // namespace armnn
armnn::OutputSlot::GetTensorInfo
const TensorInfo & GetTensorInfo() const override
Definition: Layer.cpp:100
WorkloadData.hpp
TypesUtils.hpp
CHECK_LOCATION
#define CHECK_LOCATION()
Definition: Exceptions.hpp:203
armnn::Layer::ValidateAndCopyShape
void ValidateAndCopyShape(const TensorShape &outputShape, const TensorShape &inferredShape, const ShapeInferenceMethod shapeInferenceMethod, const std::string &layerName, const unsigned int outputSlotIndex=0)
Definition: Layer.cpp:457
armnn::MemImportLayer::ExecuteStrategy
void ExecuteStrategy(IStrategy &strategy) const override
Apply a visitor to this layer.
Definition: MemImportLayer.cpp:57
armnn::Layer::GetOutputSlot
const OutputSlot & GetOutputSlot(unsigned int index=0) const override
Get the const output slot handle by slot index.
Definition: Layer.hpp:339
armnn::MemImportLayer
This layer represents a memory import operation.
Definition: MemImportLayer.hpp:13
armnn::IStrategy
Definition: IStrategy.hpp:16
armnn::Layer::GetInputSlot
const InputSlot & GetInputSlot(unsigned int index) const override
Get a const input slot handle by slot index.
Definition: Layer.hpp:337
WorkloadFactory.hpp
armnn::Layer::GetName
const char * GetName() const override
Returns the name of the layer.
Definition: Layer.hpp:332
armnn::Layer
Definition: Layer.hpp:230
armnn::InputSlot::GetTensorInfo
const TensorInfo & GetTensorInfo() const override
Gets the TensorInfo for this InputSlot.
Definition: Layer.cpp:614
armnn::TensorShape
Definition: Tensor.hpp:20
armnn::MemImportLayer::Clone
MemImportLayer * Clone(Graph &graph) const override
Creates a dynamically-allocated copy of this layer.
Definition: MemImportLayer.cpp:22
armnn::Layer::PrepInfoAndDesc
WorkloadInfo PrepInfoAndDesc(QueueDescriptor &descriptor) const
Helper function to reduce duplication in *Layer::CreateWorkload.
Definition: Layer.hpp:409
armnn::LayerValidationException
Definition: Exceptions.hpp:105
armnn::IWorkloadFactory
Definition: WorkloadFactory.hpp:22
armnn::Layer::VerifyShapeInferenceType
void VerifyShapeInferenceType(const TensorShape &outputShape, ShapeInferenceMethod shapeInferenceMethod)
Definition: Layer.cpp:526
armnn::Layer::SetAdditionalInfo
void SetAdditionalInfo(QueueDescriptor &descriptor) const
Definition: Layer.cpp:303
armnn::Exception
Base class for all ArmNN exceptions so that users can filter to just those.
Definition: Exceptions.hpp:46
armnn::LayerType::MemImport
@ MemImport
MemImportWorkload.hpp
armnn::TensorInfo::GetShape
const TensorShape & GetShape() const
Definition: Tensor.hpp:193
MemImportLayer.hpp
armnn::IgnoreUnused
void IgnoreUnused(Ts &&...)
Definition: IgnoreUnused.hpp:14
armnn
Copyright (c) 2021 ARM Limited and Contributors.
Definition: 01_00_quick_start.dox:6
armnn::Layer::InferOutputShapes
std::vector< TensorShape > InferOutputShapes(const std::vector< TensorShape > &inputShapes) const override
Infer the shape of the output(s) based on the provided input shape(s)
Definition: Layer.cpp:432
armnn::MemImportLayer::ValidateTensorShapesFromInputs
void ValidateTensorShapesFromInputs() override
Check if the input tensor shape(s) will lead to a valid configuration of MemImportLayer.
Definition: MemImportLayer.cpp:37
armnn::Layer::VerifyLayerConnections
void VerifyLayerConnections(unsigned int expectedConnections, const CheckLocation &location) const
Definition: Layer.cpp:410
armnn::Layer::m_ShapeInferenceMethod
ShapeInferenceMethod m_ShapeInferenceMethod
Definition: Layer.hpp:441
armnn::LayerType
LayerType
When adding a new layer, adapt also the LastLayer enum value in the enum class LayerType below.
Definition: Types.hpp:491
armnn::Graph
Definition: Graph.hpp:30
LayerCloneBase.hpp
armnn::MemImportLayer::CreateWorkload
virtual std::unique_ptr< IWorkload > CreateWorkload(const IWorkloadFactory &factory) const override
Makes a workload for the MemImport type.
Definition: MemImportLayer.cpp:27
armnn::MemImportLayer::MemImportLayer
MemImportLayer(const char *name)
Constructor to create a MemImportLayer.
Definition: MemImportLayer.cpp:17
armnn::MemImportQueueDescriptor
Definition: WorkloadData.hpp:94