diff options
author | Narumol Prangnawarat <narumol.prangnawarat@arm.com> | 2021-07-15 16:16:25 +0100 |
---|---|---|
committer | Narumol Prangnawarat <narumol.prangnawarat@arm.com> | 2021-07-22 18:29:55 +0100 |
commit | 8ed39ae450a077c7e4d672b5f05ff1d68ee67aab (patch) | |
tree | 31a1cf006e50db54f3e7a605825c8e9e3f9d689e /src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp | |
parent | 15fcc7ed3163c9d4b1856955271854198c3c2696 (diff) | |
download | armnn-8ed39ae450a077c7e4d672b5f05ff1d68ee67aab.tar.gz |
MLCE-530 Add front end support for UnidirectionalSequenceLstm on ArmNN
Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I57bcbdec3eb0155f41af0fe7d6abf9bac2ec86eb
Diffstat (limited to 'src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp')
-rw-r--r-- | src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp b/src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp new file mode 100644 index 0000000000..fb59f01ab6 --- /dev/null +++ b/src/armnn/layers/UnidirectionalSequenceLstmLayer.hpp @@ -0,0 +1,65 @@ +// +// Copyright © 2021 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// +#pragma once + +#include "LayerWithParameters.hpp" +#include "LstmParameters.hpp" + +namespace armnn +{ + +class ScopedTensorHandle; + +/// This layer represents a LSTM operation. +class UnidirectionalSequenceLstmLayer : public LayerWithParameters<LstmDescriptor> +{ +public: + + LstmBasicParameters m_BasicParameters; + LstmOptCifgParameters m_CifgParameters; + LstmOptProjectionParameters m_ProjectionParameters; + LstmOptPeepholeParameters m_PeepholeParameters; + LstmOptLayerNormParameters m_LayerNormParameters; + + /// Makes a workload for the UnidirectionalSequence LSTM 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 IWorkloadFactory& factory) const override; + + /// Creates a dynamically-allocated copy of this layer. + /// @param [in] graph The graph into which this layer is being cloned. + UnidirectionalSequenceLstmLayer* Clone(Graph& graph) const override; + + /// Check if the input tensor shape(s) + /// will lead to a valid configuration of @ref UnidirectionalSequenceLstmLayer. + /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated. + void ValidateTensorShapesFromInputs() 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; + + void Accept(ILayerVisitor& visitor) const override; + + void ExecuteStrategy(IStrategy& strategy) const override; + +protected: + /// Constructor to create a UnidirectionalSequenceLstmLayer. + /// @param [in] param LstmDescriptor to configure the lstm operation. + /// @param [in] name Optional name for the layer. + UnidirectionalSequenceLstmLayer(const LstmDescriptor& param, const char* name); + + /// Default destructor + ~UnidirectionalSequenceLstmLayer() = default; + + /// Retrieve the handles to the constant values stored by the layer. + /// @return A vector of the constant tensors stored by this layer. + Layer::ConstantTensors GetConstantTensorsByRef() override; +}; + +} // namespace |