1 //
2 // Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 
6 #pragma once
7 
8 #include <armnn/TypesUtils.hpp>
9 
10 #include "RefBaseWorkload.hpp"
11 #include <armnn/backends/WorkloadData.hpp>
12 
13 #include "Encoders.hpp"
14 #include "Decoders.hpp"
15 
16 namespace armnn
17 {
18 
19 class RefUnidirectionalSequenceLstmWorkload : public RefBaseWorkload<UnidirectionalSequenceLstmQueueDescriptor>
20 {
21 public:
22     explicit RefUnidirectionalSequenceLstmWorkload(const UnidirectionalSequenceLstmQueueDescriptor& descriptor,
23                                                    const WorkloadInfo& info);
24 
25     void Execute() const override;
26     void ExecuteAsync(ExecutionData& executionData)  override;
27 
28 
29 private:
30     void Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const;
31     std::unique_ptr<ScopedTensorHandle> m_InputToInputWeightsTensor;
32     std::unique_ptr<ScopedTensorHandle> m_InputToForgetWeightsTensor;
33     std::unique_ptr<ScopedTensorHandle> m_InputToCellWeightsTensor;
34     std::unique_ptr<ScopedTensorHandle> m_InputToOutputWeightsTensor;
35     std::unique_ptr<ScopedTensorHandle> m_RecurrentToInputWeightsTensor;
36     std::unique_ptr<ScopedTensorHandle> m_RecurrentToForgetWeightsTensor;
37     std::unique_ptr<ScopedTensorHandle> m_RecurrentToCellWeightsTensor;
38     std::unique_ptr<ScopedTensorHandle> m_RecurrentToOutputWeightsTensor;
39     std::unique_ptr<ScopedTensorHandle> m_CellToInputWeightsTensor;
40     std::unique_ptr<ScopedTensorHandle> m_CellToForgetWeightsTensor;
41     std::unique_ptr<ScopedTensorHandle> m_CellToOutputWeightsTensor;
42     std::unique_ptr<ScopedTensorHandle> m_InputGateBiasTensor;
43     std::unique_ptr<ScopedTensorHandle> m_ForgetGateBiasTensor;
44     std::unique_ptr<ScopedTensorHandle> m_CellBiasTensor;
45     std::unique_ptr<ScopedTensorHandle> m_OutputGateBiasTensor;
46     std::unique_ptr<ScopedTensorHandle> m_ProjectionWeightsTensor;
47     std::unique_ptr<ScopedTensorHandle> m_ProjectionBiasTensor;
48     std::unique_ptr<ScopedTensorHandle> m_InputLayerNormWeights;
49     std::unique_ptr<ScopedTensorHandle> m_ForgetLayerNormWeights;
50     std::unique_ptr<ScopedTensorHandle> m_CellLayerNormWeights;
51     std::unique_ptr<ScopedTensorHandle> m_OutputLayerNormWeights;
52 
53     float m_LayerNormEpsilon = static_cast<float>(1e-8);
54 };
55 
56 } //namespace armnn
57