Pooling2DOperator.hpp File Reference

#include "TosaOperatorUtils.hpp"

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Functions
TosaSerializationBasicBlock *	ConvertPooling2DToTosaOperator (const Layer *layer, const std::vector< const TensorInfo * > &inputs, const std::vector< const TensorInfo * > &outputs, const Pooling2dDescriptor *poolDescriptor)

Function Documentation

ConvertPooling2DToTosaOperator()

TosaSerializationBasicBlock* ConvertPooling2DToTosaOperator	(	const Layer *	layer,
		const std::vector< const TensorInfo * > &	inputs,
		const std::vector< const TensorInfo * > &	outputs,
		const Pooling2dDescriptor *	poolDescriptor
	)

Definition at line 8 of file Pooling2DOperator.cpp.

{
    std::string poolType = (poolDescriptor->m_PoolType == PoolingAlgorithm::Max) ? "Op_MAX" : "Op_AVG";
    Op opcode = (poolDescriptor->m_PoolType == PoolingAlgorithm::Max) ? Op_MAX_POOL2D : Op_AVG_POOL2D;
 
    std::string input0Name = std::string("input_");
    std::string outputName = std::string("output0_");
    std::string blockName  = std::string("Op_") + poolType + std::string("_POOL2D_block_") + GetUniqueTosaMappingID();
 
    // If a layer is present then the block will be used for execution, so input and output names need to be determined
    // using the previous and following layers so the graph is connected correctly. For validation this doesn't matter.
    if(layer != nullptr)
    {
        input0Name = GenerateUniqueInputName(layer->GetInputSlot(0));
        outputName = GenerateUniqueOutputName(*layer);
    }
 
    std::vector<int> pad = {static_cast<int>(poolDescriptor->m_PadTop),
                            static_cast<int>(poolDescriptor->m_PadBottom),
                            static_cast<int>(poolDescriptor->m_PadLeft),
                            static_cast<int>(poolDescriptor->m_PadRight)};
    std::vector<int> kernel = {static_cast<int>(poolDescriptor->m_PoolHeight),
                               static_cast<int>(poolDescriptor->m_PoolWidth)};
    std::vector<int> stride = {static_cast<int>(poolDescriptor->m_StrideY),
                               static_cast<int>(poolDescriptor->m_StrideX)};
    TosaPoolAttribute attribute(pad, kernel, stride, 0, 0, ArmNNToDType(inputs[0]->GetDataType()));
 
    auto* op = new TosaSerializationOperator(opcode,
                                             Attribute_PoolAttribute,
                                             &attribute,
                                             {input0Name},
                                             {outputName});
 
    std::vector<TosaSerializationTensor*> tensors;
 
    // Only add input tensors if connected layer is an input layer.
    // As intermediate or constant tensors will be created separately.
    // There also can't be duplicate tensor.
    if(input0Name.find("input_") != std::string::npos)
    {
        std::vector<int32_t> inputShape0 = GetTosaTensorShape(inputs[0]->GetShape());
        DType inputDType0 = ArmNNToDType(inputs[0]->GetDataType());
 
        tensors.push_back(new TosaSerializationTensor(input0Name, inputShape0, inputDType0, {}));
    }
 
    std::vector<int32_t> outputShape0 = GetTosaTensorShape(outputs[0]->GetShape());
    DType outputDType0 = ArmNNToDType(outputs[0]->GetDataType());
 
    tensors.push_back(new TosaSerializationTensor(outputName, outputShape0, outputDType0, {}));
 
    // operatorInputNames/operatorOutputNames ends up being the same as
    // blockInputNames/blockOutputNames for one-to-one ArmNN to TOSA mappings
    return new TosaSerializationBasicBlock(blockName, // name
                                           mainName, // region name
                                           {op}, // operators
                                           tensors, // tensors
                                           {input0Name}, // inputs
                                           {outputName}); // outputs
}

References ArmNNToDType(), GenerateUniqueInputName(), GenerateUniqueOutputName(), Layer::GetInputSlot(), GetTosaTensorShape(), GetUniqueTosaMappingID(), Pooling2dDescriptor::m_PadBottom, Pooling2dDescriptor::m_PadLeft, Pooling2dDescriptor::m_PadRight, Pooling2dDescriptor::m_PadTop, Pooling2dDescriptor::m_PoolHeight, Pooling2dDescriptor::m_PoolType, Pooling2dDescriptor::m_PoolWidth, Pooling2dDescriptor::m_StrideX, and Pooling2dDescriptor::m_StrideY.

Referenced by GetTosaMapping().