ArmNN
 24.02
ReshapeOperator.cpp File Reference
Include dependency graph for ReshapeOperator.cpp:

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Functions

TosaSerializationBasicBlock * ConvertReshapeToTosaOperator (const Layer *layer, const std::vector< const TensorInfo * > &inputs, const std::vector< const TensorInfo * > &outputs, const ReshapeDescriptor *reshapeDescriptor)
 

Function Documentation

◆ ConvertReshapeToTosaOperator()

TosaSerializationBasicBlock* ConvertReshapeToTosaOperator ( const Layer layer,
const std::vector< const TensorInfo * > &  inputs,
const std::vector< const TensorInfo * > &  outputs,
const ReshapeDescriptor reshapeDescriptor 
)

Definition at line 8 of file ReshapeOperator.cpp.

12 {
13  std::string inputName = std::string("input0_");
14  std::string outputName = std::string("output0_");
15  std::string blockName = std::string("Op_RESHAPE_block_") + GetUniqueTosaMappingID();
16 
17  // If a layer is present then the block will be used for execution, so input and output names need to be determined
18  // using the previous and following layers so the graph is connected correctly. For validation this doesn't matter.
19  if(layer != nullptr)
20  {
21  // Get the layers connected to the input slots and determine unique tensor names.
22  Layer& connectedLayer = layer->GetInputSlot(0).GetConnectedOutputSlot()->GetOwningLayer();
23  inputName = GenerateUniqueName(connectedLayer, 0);
24 
25  // Determine unique output tensor name.
26  outputName = GenerateUniqueOutputName(*layer, 0);
27  }
28 
29  TosaReshapeAttribute attribute(GetTosaTensorShape(reshapeDescriptor->m_TargetShape));
30 
31  auto* op = new TosaSerializationOperator(Op_RESHAPE,
32  Attribute_ReshapeAttribute,
33  &attribute,
34  {inputName},
35  {outputName});
36 
37  std::vector<TosaSerializationTensor*> tensors;
38 
39  // Only add input tensors if connected layer is an input layer.
40  // As intermediate or constant tensors will be created separately.
41  // There also can't be duplicate tensor.
42  if(inputName.find("input0_") != std::string::npos)
43  {
44  std::vector<int32_t> inputShape = GetTosaTensorShape(inputs[0]->GetShape());
45  DType inputDType = ArmNNToDType(inputs[0]->GetDataType());
46 
47  tensors.push_back(new TosaSerializationTensor(inputName, inputShape, inputDType, {}));
48  }
49 
50  std::vector<int32_t> outputShape = GetTosaTensorShape(outputs[0]->GetShape());
51  DType outputDType = ArmNNToDType(outputs[0]->GetDataType());
52 
53  tensors.push_back(new TosaSerializationTensor(outputName, outputShape, outputDType, {}));
54 
55  // operatorInputNames/operatorOutputNames ends up being the same as
56  // blockInputNames/blockOutputNames for one-to-one ArmNN to TOSA mappings
57  return new TosaSerializationBasicBlock(blockName, // name
58  mainName, // region name
59  {op}, // operators
60  tensors, // tensors
61  {inputName}, // inputs
62  {outputName}); // outputs
63 }

References GenerateUniqueName(), GenerateUniqueOutputName(), InputSlot::GetConnectedOutputSlot(), Layer::GetInputSlot(), OutputSlot::GetOwningLayer(), GetTosaTensorShape(), GetUniqueTosaMappingID(), and ReshapeDescriptor::m_TargetShape.

Referenced by GetTosaMapping().

armnn::Layer::GetInputSlot
const InputSlot & GetInputSlot(unsigned int index) const override
Get a const input slot handle by slot index.
Definition: Layer.hpp:337
armnn::Layer
Definition: Layer.hpp:230
mainName
const std::string mainName
Definition: TosaOperatorUtils.hpp:19
armnn::OutputSlot::GetOwningLayer
Layer & GetOwningLayer() const
Definition: Layer.hpp:132
ArmNNToDType
DType ArmNNToDType(const DataType &type)
Definition: TosaOperatorUtils.hpp:22
GenerateUniqueOutputName
std::string GenerateUniqueOutputName(const Layer &layer, uint32_t layerSlot)
Definition: TosaOperatorUtils.hpp:82
armnn::ReshapeDescriptor::m_TargetShape
TensorShape m_TargetShape
Target shape value.
Definition: Descriptors.hpp:1039
GenerateUniqueName
std::string GenerateUniqueName(const Layer &layer, uint32_t layerSlot)
Definition: TosaOperatorUtils.hpp:63
GetTosaTensorShape
std::vector< int32_t > GetTosaTensorShape(const TensorShape &shape)
Definition: TosaOperatorUtils.hpp:52
armnn::InputSlot::GetConnectedOutputSlot
const OutputSlot * GetConnectedOutputSlot() const
Definition: Layer.hpp:56
GetUniqueTosaMappingID
std::string GetUniqueTosaMappingID()
Definition: TosaOperatorUtils.hpp:100