2 // Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
8 #include "armnn/INetwork.hpp"
9 #include "armnnDeserializer/IDeserializer.hpp"
10 #include <ArmnnSchema_generated.h>
12 #include <unordered_map>
14 namespace armnnDeserializer
16 class Deserializer : public IDeserializer
19 // Shorthands for deserializer types
20 using ConstTensorRawPtr = const armnnSerializer::ConstTensor *;
21 using GraphPtr = const armnnSerializer::SerializedGraph *;
22 using TensorRawPtr = const armnnSerializer::TensorInfo *;
23 using PoolingDescriptor = const armnnSerializer::Pooling2dDescriptor *;
24 using NormalizationDescriptorPtr = const armnnSerializer::NormalizationDescriptor *;
25 using LstmDescriptorPtr = const armnnSerializer::LstmDescriptor *;
26 using LstmInputParamsPtr = const armnnSerializer::LstmInputParams *;
27 using QLstmDescriptorPtr = const armnnSerializer::QLstmDescriptor *;
28 using QunatizedLstmInputParamsPtr = const armnnSerializer::QuantizedLstmInputParams *;
29 using TensorRawPtrVector = std::vector<TensorRawPtr>;
30 using LayerRawPtr = const armnnSerializer::LayerBase *;
31 using LayerBaseRawPtr = const armnnSerializer::LayerBase *;
32 using LayerBaseRawPtrVector = std::vector<LayerBaseRawPtr>;
36 /// Create an input network from binary file contents
37 armnn::INetworkPtr CreateNetworkFromBinary(const std::vector<uint8_t>& binaryContent) override;
39 /// Create an input network from a binary input stream
40 armnn::INetworkPtr CreateNetworkFromBinary(std::istream& binaryContent) override;
42 /// Retrieve binding info (layer id and tensor info) for the network input identified by the given layer name
43 BindingPointInfo GetNetworkInputBindingInfo(unsigned int layerId, const std::string& name) const override;
45 /// Retrieve binding info (layer id and tensor info) for the network output identified by the given layer name
46 BindingPointInfo GetNetworkOutputBindingInfo(unsigned int layerId, const std::string& name) const override;
53 static GraphPtr LoadGraphFromBinary(const uint8_t* binaryContent, size_t len);
54 static TensorRawPtrVector GetInputs(const GraphPtr& graph, unsigned int layerIndex);
55 static TensorRawPtrVector GetOutputs(const GraphPtr& graph, unsigned int layerIndex);
56 static LayerBaseRawPtr GetBaseLayer(const GraphPtr& graphPtr, unsigned int layerIndex);
57 static int32_t GetBindingLayerInfo(const GraphPtr& graphPtr, unsigned int layerIndex);
58 static std::string GetLayerName(const GraphPtr& graph, unsigned int index);
59 static armnn::Pooling2dDescriptor GetPoolingDescriptor(PoolingDescriptor pooling2dDescriptor,
60 unsigned int layerIndex);
61 static armnn::NormalizationDescriptor GetNormalizationDescriptor(
62 NormalizationDescriptorPtr normalizationDescriptor, unsigned int layerIndex);
63 static armnn::LstmDescriptor GetLstmDescriptor(LstmDescriptorPtr lstmDescriptor);
64 static armnn::LstmInputParams GetLstmInputParams(LstmDescriptorPtr lstmDescriptor,
65 LstmInputParamsPtr lstmInputParams);
66 static armnn::QLstmDescriptor GetQLstmDescriptor(QLstmDescriptorPtr qLstmDescriptorPtr);
67 static armnn::TensorInfo OutputShapeOfReshape(const armnn::TensorInfo & inputTensorInfo,
68 const std::vector<uint32_t> & targetDimsIn);
71 // No copying allowed until it is wanted and properly implemented
72 Deserializer(const Deserializer&) = delete;
73 Deserializer& operator=(const Deserializer&) = delete;
75 /// Create the network from an already loaded flatbuffers graph
76 armnn::INetworkPtr CreateNetworkFromGraph(GraphPtr graph);
78 // signature for the parser functions
79 using LayerParsingFunction = void(Deserializer::*)(GraphPtr graph, unsigned int layerIndex);
81 void ParseUnsupportedLayer(GraphPtr graph, unsigned int layerIndex);
82 void ParseAbs(GraphPtr graph, unsigned int layerIndex);
83 void ParseActivation(GraphPtr graph, unsigned int layerIndex);
84 void ParseAdd(GraphPtr graph, unsigned int layerIndex);
85 void ParseArgMinMax(GraphPtr graph, unsigned int layerIndex);
86 void ParseBatchToSpaceNd(GraphPtr graph, unsigned int layerIndex);
87 void ParseBatchNormalization(GraphPtr graph, unsigned int layerIndex);
88 void ParseComparison(GraphPtr graph, unsigned int layerIndex);
89 void ParseConcat(GraphPtr graph, unsigned int layerIndex);
90 void ParseConstant(GraphPtr graph, unsigned int layerIndex);
91 void ParseConvolution2d(GraphPtr graph, unsigned int layerIndex);
92 void ParseDepthToSpace(GraphPtr graph, unsigned int layerIndex);
93 void ParseDepthwiseConvolution2d(GraphPtr graph, unsigned int layerIndex);
94 void ParseDequantize(GraphPtr graph, unsigned int layerIndex);
95 void ParseDetectionPostProcess(GraphPtr graph, unsigned int layerIndex);
96 void ParseDivision(GraphPtr graph, unsigned int layerIndex);
97 void ParseElementwiseUnary(GraphPtr graph, unsigned int layerIndex);
98 void ParseEqual(GraphPtr graph, unsigned int layerIndex);
99 void ParseFill(GraphPtr graph, unsigned int layerIndex);
100 void ParseFloor(GraphPtr graph, unsigned int layerIndex);
101 void ParseFullyConnected(GraphPtr graph, unsigned int layerIndex);
102 void ParseGather(GraphPtr graph, unsigned int layerIndex);
103 void ParseGreater(GraphPtr graph, unsigned int layerIndex);
104 void ParseInstanceNormalization(GraphPtr graph, unsigned int layerIndex);
105 void ParseL2Normalization(GraphPtr graph, unsigned int layerIndex);
106 void ParseLogicalBinary(GraphPtr graph, unsigned int layerIndex);
107 void ParseLogSoftmax(GraphPtr graph, unsigned int layerIndex);
108 void ParseMaximum(GraphPtr graph, unsigned int layerIndex);
109 void ParseMean(GraphPtr graph, unsigned int layerIndex);
110 void ParseMinimum(GraphPtr graph, unsigned int layerIndex);
111 void ParseMerge(GraphPtr graph, unsigned int layerIndex);
112 void ParseMultiplication(GraphPtr graph, unsigned int layerIndex);
113 void ParseNormalization(GraphPtr graph, unsigned int layerIndex);
114 void ParseLstm(GraphPtr graph, unsigned int layerIndex);
115 void ParseQuantizedLstm(GraphPtr graph, unsigned int layerIndex);
116 void ParsePad(GraphPtr graph, unsigned int layerIndex);
117 void ParsePermute(GraphPtr graph, unsigned int layerIndex);
118 void ParsePooling2d(GraphPtr graph, unsigned int layerIndex);
119 void ParsePrelu(GraphPtr graph, unsigned int layerIndex);
120 void ParseQLstm(GraphPtr graph, unsigned int layerIndex);
121 void ParseQuantize(GraphPtr graph, unsigned int layerIndex);
122 void ParseRank(GraphPtr graph, unsigned int layerIndex);
123 void ParseReshape(GraphPtr graph, unsigned int layerIndex);
124 void ParseResize(GraphPtr graph, unsigned int layerIndex);
125 void ParseResizeBilinear(GraphPtr graph, unsigned int layerIndex);
126 void ParseRsqrt(GraphPtr graph, unsigned int layerIndex);
127 void ParseSlice(GraphPtr graph, unsigned int layerIndex);
128 void ParseSoftmax(GraphPtr graph, unsigned int layerIndex);
129 void ParseSpaceToBatchNd(GraphPtr graph, unsigned int layerIndex);
130 void ParseSpaceToDepth(GraphPtr graph, unsigned int layerIndex);
131 void ParseSplitter(GraphPtr graph, unsigned int layerIndex);
132 void ParseStack(GraphPtr graph, unsigned int layerIndex);
133 void ParseStandIn(GraphPtr graph, unsigned int layerIndex);
134 void ParseStridedSlice(GraphPtr graph, unsigned int layerIndex);
135 void ParseSubtraction(GraphPtr graph, unsigned int layerIndex);
136 void ParseSwitch(GraphPtr graph, unsigned int layerIndex);
137 void ParseTranspose(GraphPtr graph, unsigned int layerIndex);
138 void ParseTransposeConvolution2d(GraphPtr graph, unsigned int layerIndex);
140 void RegisterInputSlots(GraphPtr graph, uint32_t layerIndex,
141 armnn::IConnectableLayer* layer);
142 void RegisterOutputSlots(GraphPtr graph, uint32_t layerIndex,
143 armnn::IConnectableLayer* layer);
145 // NOTE index here must be from flatbuffer object index property
146 void RegisterOutputSlotOfConnection(uint32_t sourceLayerIndex, uint32_t outputSlotIndex, armnn::IOutputSlot* slot);
147 void RegisterInputSlotOfConnection(uint32_t sourceLayerIndex, uint32_t outputSlotIndex, armnn::IInputSlot* slot);
151 void SetupInputLayers(GraphPtr graphPtr);
152 void SetupOutputLayers(GraphPtr graphPtr);
154 /// Helper to get the index of the layer in the flatbuffer vector from its bindingId property
155 unsigned int GetInputLayerInVector(GraphPtr graph, int targetId);
156 unsigned int GetOutputLayerInVector(GraphPtr graph, int targetId);
158 /// Helper to get the index of the layer in the flatbuffer vector from its index property
159 unsigned int GetLayerIndexInVector(GraphPtr graph, unsigned int index);
161 struct FeatureVersions
163 // Default values to zero for backward compatibility
164 unsigned int m_BindingIdScheme = 0;
167 FeatureVersions GetFeatureVersions(GraphPtr graph);
169 /// The network we're building. Gets cleared after it is passed to the user
170 armnn::INetworkPtr m_Network;
171 std::vector<LayerParsingFunction> m_ParserFunctions;
173 using NameToBindingInfo = std::pair<std::string, BindingPointInfo >;
174 std::vector<NameToBindingInfo> m_InputBindings;
175 std::vector<NameToBindingInfo> m_OutputBindings;
177 /// This struct describe connections for each layer
180 // Maps output slot index (property in flatbuffer object) to IOutputSlot pointer
181 std::unordered_map<unsigned int, armnn::IOutputSlot*> outputSlots;
183 // Maps output slot index to IInputSlot pointer the output slot should be connected to
184 std::unordered_map<unsigned int, std::vector<armnn::IInputSlot*>> inputSlots;
187 /// Maps layer index (index property in flatbuffer object) to Connections for each layer
188 std::unordered_map<unsigned int, Connections> m_GraphConnections;
191 } // namespace armnnDeserializer