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author | mathad01 <matthew.haddon@arm.com> | 2021-04-07 12:07:30 +0100 |
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committer | mathad01 <matthew.haddon@arm.com> | 2021-04-12 15:31:28 +0100 |
commit | b392e9845b7f40ab0c389f29f13f6ec84dd814d1 (patch) | |
tree | d71d260f7ff5ba7498ea653174bd166f27865ee5 /src/armnn/layers | |
parent | 35ad91c489312c23dddac5e6dffde840fbb85b79 (diff) | |
download | armnn-b392e9845b7f40ab0c389f29f13f6ec84dd814d1.tar.gz |
IVGCVSW-5410 Add front-end support for CAST
IVGCVSW-5415 Add TfLiteParser support for CAST
* Added front end support for CAST, including support in the
Reference workload, Serialization, Deserializtion, Unit tests, and
TfLiteParser.
Signed-off-by: mathad01 <matthew.haddon@arm.com>
Change-Id: Iaf670ca5912a21ed6bc84f7f83a68b42154846bb
Diffstat (limited to 'src/armnn/layers')
-rw-r--r-- | src/armnn/layers/CastLayer.cpp | 55 | ||||
-rw-r--r-- | src/armnn/layers/CastLayer.hpp | 40 |
2 files changed, 95 insertions, 0 deletions
diff --git a/src/armnn/layers/CastLayer.cpp b/src/armnn/layers/CastLayer.cpp new file mode 100644 index 0000000000..16dd9a3744 --- /dev/null +++ b/src/armnn/layers/CastLayer.cpp @@ -0,0 +1,55 @@ +// +// Copyright © 2021 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// +#include "CastLayer.hpp" + +#include "LayerCloneBase.hpp" +#include <armnn/TypesUtils.hpp> + +#include <backendsCommon/WorkloadData.hpp> +#include <backendsCommon/WorkloadFactory.hpp> + +namespace armnn +{ + +CastLayer::CastLayer(const char* name) + : Layer(1, 1, LayerType::Cast, name) +{ +} + +std::unique_ptr<IWorkload> CastLayer::CreateWorkload(const IWorkloadFactory& factory) const +{ + CastQueueDescriptor descriptor; + SetAdditionalInfo(descriptor); + + return factory.CreateCast(descriptor, PrepInfoAndDesc(descriptor)); +} + +CastLayer* CastLayer::Clone(Graph& graph) const +{ + return CloneBase<CastLayer>(graph, GetName()); +} + +void CastLayer::ValidateTensorShapesFromInputs() +{ + VerifyLayerConnections(1, CHECK_LOCATION()); + + const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape(); + + VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod); + + auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() }); + + ARMNN_ASSERT(inferredShapes.size() == 1); + + ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "CastLayer"); +} + +void CastLayer::Accept(ILayerVisitor& visitor) const +{ + IgnoreUnused(visitor); + throw armnn::Exception("CastLayer VisitCastLayer is not implemented"); +} + +} // namespace armnn diff --git a/src/armnn/layers/CastLayer.hpp b/src/armnn/layers/CastLayer.hpp new file mode 100644 index 0000000000..8a9ea43934 --- /dev/null +++ b/src/armnn/layers/CastLayer.hpp @@ -0,0 +1,40 @@ +// +// Copyright © 2021 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include "Layer.hpp" + +namespace armnn +{ + +/// This layer represents a cast operation +class CastLayer : public Layer +{ +public: + /// Makes a workload for the Cast type. + /// @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 IWorkloadFactory &factory) const override; + + /// Creates a dynamically-allocated copy of this layer. + /// @param [in] graph The graph into which this layer is being cloned. + CastLayer* Clone(Graph& graph) const override; + + /// Check if the input tensor shape(s) + /// will lead to a valid configuration of @ref ConvertFp16ToFp32Layer. + /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated. + void ValidateTensorShapesFromInputs() override; + + void Accept(ILayerVisitor& visitor) const override; + +protected: + /// Constructor to create a CastLayer. + CastLayer(const char *name); + + /// Default destructor + ~CastLayer() = default; +}; +} // namespace armnn
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