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author | Aron Virginas-Tar <Aron.Virginas-Tar@arm.com> | 2019-06-11 14:14:03 +0100 |
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committer | Áron Virginás-Tar <aron.virginas-tar@arm.com> | 2019-06-12 08:53:33 +0000 |
commit | 972af1568372f243f241b58fa07f0d3a7f991d1e (patch) | |
tree | 7f00157cc66bef8ced30a8e0a0f5e5305a82111f /src/armnn/layers | |
parent | e9e1878cb94e45ba71303a8ceda5bc523997fde4 (diff) | |
download | armnn-972af1568372f243f241b58fa07f0d3a7f991d1e.tar.gz |
IVGCVSW-3258 Add front end support for new SpaceToDepth layer
Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Id677e29a734f2b36483d939ad370079bdc11551e
Diffstat (limited to 'src/armnn/layers')
-rw-r--r-- | src/armnn/layers/SpaceToDepthLayer.cpp | 85 | ||||
-rw-r--r-- | src/armnn/layers/SpaceToDepthLayer.hpp | 50 |
2 files changed, 135 insertions, 0 deletions
diff --git a/src/armnn/layers/SpaceToDepthLayer.cpp b/src/armnn/layers/SpaceToDepthLayer.cpp new file mode 100644 index 0000000000..b24490f82f --- /dev/null +++ b/src/armnn/layers/SpaceToDepthLayer.cpp @@ -0,0 +1,85 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "SpaceToDepthLayer.hpp" + +#include "LayerCloneBase.hpp" + +#include <armnn/TypesUtils.hpp> + +#include <backendsCommon/WorkloadData.hpp> +#include <backendsCommon/WorkloadFactory.hpp> + +#include <DataLayoutIndexed.hpp> + +#include <numeric> + +using namespace armnnUtils; + +namespace armnn +{ + +SpaceToDepthLayer::SpaceToDepthLayer(const SpaceToDepthDescriptor param, const char* name) + : LayerWithParameters(1, 1, LayerType::SpaceToDepth, param, name) +{} + +std::unique_ptr<IWorkload> SpaceToDepthLayer::CreateWorkload(const Graph& graph, + const IWorkloadFactory& factory) const +{ + SpaceToDepthQueueDescriptor descriptor; + descriptor.m_Parameters.m_BlockSize = m_Param.m_BlockSize; + descriptor.m_Parameters.m_DataLayout = m_Param.m_DataLayout; + + return factory.CreateSpaceToDepth(descriptor, PrepInfoAndDesc(descriptor, graph)); +} + +SpaceToDepthLayer* SpaceToDepthLayer::Clone(Graph& graph) const +{ + return CloneBase<SpaceToDepthLayer>(graph, m_Param, GetName()); +} + +std::vector<TensorShape> SpaceToDepthLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const +{ + BOOST_ASSERT(inputShapes.size() == 1); + + TensorShape inputShape = inputShapes[0]; + TensorShape outputShape(inputShape); + + outputShape[0] = inputShape[0]; + + DataLayoutIndexed dimensionIndices{m_Param.m_DataLayout}; + unsigned int hIndex = dimensionIndices.GetHeightIndex(); + unsigned int wIndex = dimensionIndices.GetWidthIndex(); + unsigned int cIndex = dimensionIndices.GetChannelsIndex(); + + outputShape[hIndex] = inputShape[hIndex] / m_Param.m_BlockSize; + outputShape[wIndex] = inputShape[wIndex] / m_Param.m_BlockSize; + + outputShape[cIndex] = inputShape[cIndex] * m_Param.m_BlockSize * m_Param.m_BlockSize; + + return std::vector<TensorShape>({ outputShape }); +} + +void SpaceToDepthLayer::ValidateTensorShapesFromInputs() +{ + VerifyLayerConnections(1, CHECK_LOCATION()); + + std::vector<TensorShape> inferredShapes = InferOutputShapes({ + GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() }); + + BOOST_ASSERT(inferredShapes.size() == 1); + + ConditionalThrowIfNotEqual<LayerValidationException>( + "SpaceToDepthLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.", + GetOutputSlot(0).GetTensorInfo().GetShape(), + inferredShapes[0]); +} + +void SpaceToDepthLayer::Accept(ILayerVisitor& visitor) const +{ + visitor.VisitSpaceToDepthLayer(this, GetParameters(), GetName()); +} + +} // namespace armnn
\ No newline at end of file diff --git a/src/armnn/layers/SpaceToDepthLayer.hpp b/src/armnn/layers/SpaceToDepthLayer.hpp new file mode 100644 index 0000000000..b83a9e0170 --- /dev/null +++ b/src/armnn/layers/SpaceToDepthLayer.hpp @@ -0,0 +1,50 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include "LayerWithParameters.hpp" + +namespace armnn +{ + +/// This layer represents a SpaceToDepth operation. +class SpaceToDepthLayer : public LayerWithParameters<SpaceToDepthDescriptor> +{ +public: + /// Makes a workload for the SpaceToDepth type. + /// @param [in] graph The graph where this layer can be found. + /// @param [in] factory The workload factory which will create the workload. + /// @return A pointer to the created workload, or nullptr if not created. + virtual std::unique_ptr<IWorkload> CreateWorkload(const Graph& graph, + const IWorkloadFactory& factory) const override; + + /// Creates a dynamically-allocated copy of this layer. + /// @param [in] graph The graph into which this layer is being cloned. + SpaceToDepthLayer* Clone(Graph& graph) const override; + + /// By default returns inputShapes if the number of inputs are equal to number of outputs, + /// otherwise infers the output shapes from given input shapes and layer properties. + /// @param [in] inputShapes The input shapes layer has. + /// @return A vector to the inferred output shape. + std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; + + /// Check if the input tensor shape(s) + /// will lead to a valid configuration of @ref SpaceToDepthLayer. + void ValidateTensorShapesFromInputs() override; + + void Accept(ILayerVisitor& visitor) const override; + +protected: + /// Constructor to create a SpaceToDepthLayer. + /// @param [in] param SpaceToDepthDescriptor to configure the SpaceToDepthLayer operation. + /// @param [in] name Optional name for the layer. + SpaceToDepthLayer(const SpaceToDepthDescriptor param, const char* name); + + /// Default destructor + ~SpaceToDepthLayer() = default; +}; + +} // namespace armnn |