TileLayer.cpp

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//
// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
 
#include "TileLayer.hpp"
 
#include <armnn/backends/WorkloadFactory.hpp>
#include "layers/LayerCloneBase.hpp"
 
namespace armnn
{
TileLayer::TileLayer(const TileDescriptor &param, const char *name)
    : LayerWithParameters(1, 1, LayerType::Tile, param, name)
{}
 
std::unique_ptr<IWorkload> TileLayer::CreateWorkload(const IWorkloadFactory &factory) const
{
    TileQueueDescriptor descriptor;
    SetAdditionalInfo(descriptor);
 
    return factory.CreateWorkload(LayerType::Tile, descriptor, PrepInfoAndDesc(descriptor));
}
 
TileLayer* TileLayer::Clone(armnn::Graph &graph) const
{
    auto layer = CloneBase<TileLayer>(graph, m_Param, GetName());
 
    return std::move(layer);
}
 
std::vector<TensorShape> TileLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const
{
    ARMNN_ASSERT(inputShapes.size() == 1);
    const TensorShape& inputShape = inputShapes[0];
 
    uint32_t numberOfDimensions = inputShape.GetNumDimensions();
    std::vector<unsigned int> dimensionSizes;
    dimensionSizes.reserve(numberOfDimensions);
 
    // Check input shape and multiples have same length and multiply them together to get output shape
    if(numberOfDimensions == m_Param.m_Multiples.size())
    {
        for(uint32_t i = 0; i < numberOfDimensions; ++i)
        {
            dimensionSizes.emplace_back(inputShape[i] * m_Param.m_Multiples[i]);
        }
    }
    else
    {
        throw LayerValidationException("TileLayer: input rank and multiples length are different.");
    }
 
    return std::vector<TensorShape>({TensorShape({numberOfDimensions, dimensionSizes.data()})});
}
 
void TileLayer::ValidateTensorShapesFromInputs()
{
    VerifyLayerConnections(1, CHECK_LOCATION());
 
    const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
 
    VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
 
    auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetTensorInfo().GetShape() });
 
    ARMNN_ASSERT(inferredShapes.size() == 1);
 
    ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "TileLayer");
}
 
}