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//
// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <armnn/Descriptors.hpp>
#include <armnn/LstmParams.hpp>
#include <armnn/backends/Workload.hpp>
#include <armnn/backends/WorkloadData.hpp>
#include "arm_compute/graph/Tensor.h"
#include "arm_compute/runtime/NEON/functions/NELSTMLayer.h"
namespace armnn
{
class NeonLstmFloatWorkload : public FloatWorkload<LstmQueueDescriptor>
{
public:
NeonLstmFloatWorkload(const LstmQueueDescriptor& descriptor, const WorkloadInfo& info);
virtual void Execute() const override;
private:
mutable arm_compute::NELSTMLayer m_LstmLayer;
std::unique_ptr<arm_compute::Tensor> m_InputToInputWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_InputToForgetWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_InputToCellWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_InputToOutputWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_RecurrentToInputWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_RecurrentToForgetWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_RecurrentToCellWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_RecurrentToOutputWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_CellToInputWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_CellToForgetWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_CellToOutputWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_InputGateBiasTensor;
std::unique_ptr<arm_compute::Tensor> m_ForgetGateBiasTensor;
std::unique_ptr<arm_compute::Tensor> m_CellBiasTensor;
std::unique_ptr<arm_compute::Tensor> m_OutputGateBiasTensor;
std::unique_ptr<arm_compute::Tensor> m_ProjectionWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_ProjectionBiasTensor;
std::unique_ptr<arm_compute::Tensor> m_ScratchBuffer;
std::unique_ptr<arm_compute::Tensor> m_InputLayerNormWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_ForgetLayerNormWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_CellLayerNormWeightsTensor;
std::unique_ptr<arm_compute::Tensor> m_OutputLayerNormWeightsTensor;
void FreeUnusedTensors();
};
arm_compute::Status NeonLstmFloatWorkloadValidate(const TensorInfo& input, const TensorInfo& outputStateIn,
const TensorInfo& cellStateIn, const TensorInfo& scratchBuffer,
const TensorInfo& outputStateOut, const TensorInfo& cellStateOut,
const TensorInfo& output, const LstmDescriptor &descriptor,
const LstmInputParamsInfo& paramsInfo);
} //namespace armnn
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