telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame^] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // See LICENSE file in the project root for full license information. |
| 4 | // |
| 5 | #pragma once |
| 6 | #include "armnnCaffeParser/ICaffeParser.hpp" |
| 7 | |
| 8 | #include "armnn/Types.hpp" |
| 9 | #include "armnn/NetworkFwd.hpp" |
| 10 | #include "armnn/Tensor.hpp" |
| 11 | |
| 12 | #include <memory> |
| 13 | #include <vector> |
| 14 | #include <unordered_map> |
| 15 | |
| 16 | namespace caffe |
| 17 | { |
| 18 | class BlobShape; |
| 19 | class LayerParameter; |
| 20 | class NetParameter; |
| 21 | } |
| 22 | |
| 23 | namespace armnnCaffeParser |
| 24 | { |
| 25 | |
| 26 | using BindingPointInfo = std::pair<armnn::LayerBindingId, armnn::TensorInfo>; |
| 27 | |
| 28 | class CaffeParser : public ICaffeParser |
| 29 | { |
| 30 | public: |
| 31 | /// Create the network from a protobuf text file on disk |
| 32 | virtual armnn::INetworkPtr CreateNetworkFromTextFile( |
| 33 | const char* graphFile, |
| 34 | const std::map<std::string, armnn::TensorShape>& inputShapes, |
| 35 | const std::vector<std::string>& requestedOutputs) override; |
| 36 | |
| 37 | /// Create the network from a protobuf binary file on disk |
| 38 | virtual armnn::INetworkPtr CreateNetworkFromBinaryFile( |
| 39 | const char* graphFile, |
| 40 | const std::map<std::string, armnn::TensorShape>& inputShapes, |
| 41 | const std::vector<std::string>& requestedOutputs) override; |
| 42 | |
| 43 | /// Create the network directly from protobuf text in a string. Useful for debugging/testing |
| 44 | virtual armnn::INetworkPtr CreateNetworkFromString( |
| 45 | const char* protoText, |
| 46 | const std::map<std::string, armnn::TensorShape>& inputShapes, |
| 47 | const std::vector<std::string>& requestedOutputs) override; |
| 48 | |
| 49 | /// Retrieve binding info (layer id and tensor info) for the network input identified by the given layer name |
| 50 | virtual BindingPointInfo GetNetworkInputBindingInfo(const std::string& name) const override; |
| 51 | |
| 52 | /// Retrieve binding info (layer id and tensor info) for the network output identified by the given layer name |
| 53 | virtual BindingPointInfo GetNetworkOutputBindingInfo(const std::string& name) const override; |
| 54 | |
| 55 | public: |
| 56 | CaffeParser(); |
| 57 | |
| 58 | private: |
| 59 | static std::pair<armnn::LayerBindingId, armnn::TensorInfo> GetBindingInfo(const std::string& layerName, |
| 60 | const char* bindingPointDesc, |
| 61 | const std::unordered_map<std::string, BindingPointInfo>& bindingInfos); |
| 62 | |
| 63 | /// Parses a NetParameter loaded into memory from one of the other CreateNetwork* |
| 64 | armnn::INetworkPtr CreateNetworkFromNetParameter( |
| 65 | caffe::NetParameter& netParam, |
| 66 | const std::map<std::string, armnn::TensorShape>& inputShapes, |
| 67 | const std::vector<std::string>& requestedOutputs); |
| 68 | |
| 69 | /// does the actual conversion from caffe::NetParameter to armnn::INetwork |
| 70 | void LoadNetParam(caffe::NetParameter& netParameter); |
| 71 | |
| 72 | /// Find the Caffe layers listed as inputs (bottoms) for a given layer. |
| 73 | std::vector<const caffe::LayerParameter*> GetInputs(const caffe::LayerParameter& layerParam); |
| 74 | |
| 75 | /// Modifies the Caffe network to replace "in-place" layers (whose top() and bottom() are both the same) |
| 76 | /// with regular layers. This simplifies further parsing. |
| 77 | void ResolveInPlaceLayers(caffe::NetParameter& netParameter); |
| 78 | |
| 79 | /// Converts Caffe's protobuf tensor shape format to ArmNN's |
| 80 | armnn::TensorInfo BlobShapeToTensorInfo(const caffe::BlobShape& blobShape) const; |
| 81 | |
| 82 | /// Adds an armnn layer to m_Network given a Caffe LayerParameter of the correct type |
| 83 | /// and is responsible for recording any newly created IOutputSlots using SetArmnnOutputSlotForCaffeTop(). |
| 84 | /// @{ |
| 85 | void ParseInputLayer(const caffe::LayerParameter& layerParam); |
| 86 | void ParseConvLayer(const caffe::LayerParameter& layerParam); |
| 87 | void ParsePoolingLayer(const caffe::LayerParameter& layerParam); |
| 88 | void ParseReluLayer(const caffe::LayerParameter& layerParam); |
| 89 | void ParseLRNLayer(const caffe::LayerParameter& layerParam); |
| 90 | void ParseInnerProductLayer(const caffe::LayerParameter& layerParam); |
| 91 | void ParseSoftmaxLayer(const caffe::LayerParameter& layerParam); |
| 92 | void ParseEltwiseLayer(const caffe::LayerParameter& layerParam); |
| 93 | void ParseConcatLayer(const caffe::LayerParameter& layerParam); |
| 94 | void ParseBatchNormLayer(const caffe::LayerParameter& layerParam); |
| 95 | void ParseScaleLayer(const caffe::LayerParameter& layerParam); |
| 96 | void ParseSplitLayer(const caffe::LayerParameter& layerParam); |
| 97 | void ParseDropoutLayer(const caffe::LayerParameter& layerParam); |
| 98 | /// @} |
| 99 | |
| 100 | void TrackInputBinding(armnn::IConnectableLayer* layer, |
| 101 | armnn::LayerBindingId id, |
| 102 | const armnn::TensorInfo& tensorInfo); |
| 103 | |
| 104 | void TrackOutputBinding(armnn::IConnectableLayer* layer, |
| 105 | armnn::LayerBindingId id, |
| 106 | const armnn::TensorInfo& tensorInfo); |
| 107 | |
| 108 | static void TrackBindingPoint(armnn::IConnectableLayer* layer, armnn::LayerBindingId id, |
| 109 | const armnn::TensorInfo& tensorInfo, |
| 110 | const char* bindingPointDesc, |
| 111 | std::unordered_map<std::string, BindingPointInfo>& nameToBindingInfo); |
| 112 | |
| 113 | /// Retrieves the Armnn IOutputSlot representing the given Caffe top. |
| 114 | /// Throws if it cannot be found (e.g. not parsed yet). |
| 115 | armnn::IOutputSlot& GetArmnnOutputSlotForCaffeTop(const std::string& caffeTopName) const; |
| 116 | |
| 117 | void SetArmnnOutputSlotForCaffeTop(const std::string& caffeTopName, armnn::IOutputSlot& armnnOutputSlot); |
| 118 | |
| 119 | void Cleanup(); |
| 120 | |
| 121 | armnn::INetworkPtr m_Network; |
| 122 | |
| 123 | std::map<std::string, const caffe::LayerParameter*> m_CaffeLayersByTopName; |
| 124 | |
| 125 | using OperationParsingFunction = void(CaffeParser::*)(const caffe::LayerParameter& layerParam); |
| 126 | |
| 127 | /// map of Caffe layer names to parsing member functions |
| 128 | static const std::map<std::string, OperationParsingFunction> ms_CaffeLayerNameToParsingFunctions; |
| 129 | |
| 130 | std::map<std::string, armnn::TensorShape> m_InputShapes; |
| 131 | std::vector<std::string> m_RequestedOutputs; |
| 132 | |
| 133 | /// As we add armnn layers we store the armnn IOutputSlot which corresponds to the Caffe tops. |
| 134 | std::unordered_map<std::string, armnn::IOutputSlot*> m_ArmnnOutputSlotForCaffeTop; |
| 135 | |
| 136 | /// maps input layer names to their corresponding ids and tensor infos |
| 137 | std::unordered_map<std::string, BindingPointInfo> m_NetworkInputsBindingInfo; |
| 138 | |
| 139 | /// maps output layer names to their corresponding ids and tensor infos |
| 140 | std::unordered_map<std::string, BindingPointInfo> m_NetworkOutputsBindingInfo; |
| 141 | }; |
| 142 | } |