Francis Murtagh | c4fb0dd | 2023-03-16 17:01:56 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2023 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
Matthew Sloyan | 2b04ec3 | 2023-04-26 11:42:46 +0100 | [diff] [blame] | 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <DelegateUtils.hpp> |
Matthew Sloyan | 0bd4c62 | 2023-04-27 11:48:26 +0100 | [diff] [blame^] | 9 | #include <OpaqueDelegateUtils.hpp> |
Matthew Sloyan | 2b04ec3 | 2023-04-26 11:42:46 +0100 | [diff] [blame] | 10 | |
| 11 | namespace armnnOpaqueDelegate |
| 12 | { |
| 13 | |
| 14 | TfLiteStatus VisitConcatenationOperator(DelegateData& delegateData, |
| 15 | TfLiteOpaqueContext* tfLiteContext, |
| 16 | TfLiteOpaqueNode* tfLiteNode, |
| 17 | int nodeIndex, |
| 18 | int32_t tfLiteConcatOperatorCode) |
| 19 | { |
| 20 | auto numInputs = TfLiteOpaqueNodeNumberOfInputs(tfLiteNode); |
| 21 | if (numInputs < 2) |
| 22 | { |
| 23 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 24 | tfLiteContext, |
| 25 | "TfLiteArmnnOpaqueDelegate: Minimum number of inputs (%d != %d) in node #%d", |
| 26 | 2, numInputs, nodeIndex); |
| 27 | return kTfLiteError; |
| 28 | } |
| 29 | TF_LITE_ENSURE_STATUS(ValidateNumOutputs(tfLiteContext, tfLiteNode, 1, nodeIndex)); |
| 30 | |
| 31 | // Gather input indices and use to get input tensor. |
| 32 | const int* inputTensors; |
| 33 | if (TfLiteOpaqueNodeInputs(tfLiteNode, &inputTensors, &numInputs) != kTfLiteOk) |
| 34 | { |
| 35 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 36 | tfLiteContext, |
| 37 | "TfLiteArmnnOpaqueDelegate: Unable to gather input tensor indices from node #%d: ", |
| 38 | nodeIndex); |
| 39 | return kTfLiteError; |
| 40 | } |
| 41 | |
| 42 | std::vector<armnn::TensorInfo> inputTensorInfos; |
| 43 | for (int i = 0; i < numInputs; ++i) |
| 44 | { |
| 45 | const TfLiteOpaqueTensor* inputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[i]); |
| 46 | if (!IsValid(tfLiteContext, inputTensor, tfLiteConcatOperatorCode, nodeIndex)) |
| 47 | { |
| 48 | return kTfLiteError; |
| 49 | } |
| 50 | |
| 51 | armnn::TensorInfo inputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(inputTensor); |
| 52 | inputTensorInfos.emplace_back(inputTensorInfo); |
| 53 | } |
| 54 | |
| 55 | // Convert input tensors to const armnn::TensorInfo* type for FORWARD_LAYER_SUPPORT_FUNC. |
| 56 | std::vector<const armnn::TensorInfo*> inputConstTensorInfos; |
| 57 | std::transform(inputTensorInfos.begin(), |
| 58 | inputTensorInfos.end(), |
| 59 | std::back_inserter(inputConstTensorInfos), |
| 60 | [](armnn::TensorInfo& t)->const armnn::TensorInfo*{ return &t; }); |
| 61 | |
| 62 | // Gather output indices and use to get output tensors. |
| 63 | int numOutputs = 0; |
| 64 | const int* outputTensors; |
| 65 | if (TfLiteOpaqueNodeOutputs(tfLiteNode, &outputTensors, &numOutputs) != kTfLiteOk) |
| 66 | { |
| 67 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 68 | tfLiteContext, |
| 69 | "TfLiteArmnnOpaqueDelegate: Unable to gather output tensor indices from node #%d: ", |
| 70 | nodeIndex); |
| 71 | return kTfLiteError; |
| 72 | } |
| 73 | |
| 74 | const TfLiteOpaqueTensor* tfLiteOutputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, outputTensors[0]); |
| 75 | if (!IsValid(tfLiteContext, tfLiteOutputTensor, tfLiteConcatOperatorCode, nodeIndex)) |
| 76 | { |
| 77 | return kTfLiteError; |
| 78 | } |
| 79 | |
| 80 | // Setup OriginsDescriptor, axis and view origin |
| 81 | auto numConcatView = static_cast<unsigned int>(numInputs); |
| 82 | uint32_t inputRank = TfLiteOpaqueTensorNumDims(TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[0])); |
| 83 | |
| 84 | auto* concatenationParameters = |
| 85 | reinterpret_cast<TfLiteConcatenationParams*>(TfLiteOpaqueNodeGetBuiltinData(tfLiteNode)); |
| 86 | |
| 87 | if(!concatenationParameters) |
| 88 | { |
| 89 | throw armnn::Exception(&"TfLiteArmnnDelegate: Concat parameters are null in: " [ nodeIndex ]); |
| 90 | } |
| 91 | |
| 92 | const auto concatDimInput = static_cast<unsigned int>( |
| 93 | (static_cast<int>(inputRank) + concatenationParameters->axis) % static_cast<int>(inputRank)); |
| 94 | |
| 95 | armnn::OriginsDescriptor concatDescriptor(static_cast<uint32_t>(numConcatView), inputRank); |
| 96 | concatDescriptor.SetConcatAxis(concatDimInput); |
| 97 | |
| 98 | unsigned int mergeDimOrigin = 0; |
| 99 | for (unsigned int viewIndex = 0; viewIndex < numConcatView; ++viewIndex) |
| 100 | { |
| 101 | armnn::TensorInfo inputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor( |
| 102 | TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[viewIndex])); |
| 103 | |
| 104 | // Sets up concatDescriptor view origin |
| 105 | SetupConcatViewOrigin(inputTensorInfo, concatDescriptor, concatDimInput, viewIndex, mergeDimOrigin); |
| 106 | } |
| 107 | |
| 108 | const armnn::TensorInfo& outputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteOutputTensor, true); |
| 109 | |
| 110 | // Verify we support the fused activation before attempting to create a layer |
| 111 | TfLiteFusedActivation activationType = concatenationParameters->activation; |
| 112 | |
| 113 | TfLiteStatus activationStatus = ValidateFusedActivationOperator(delegateData, tfLiteContext, outputTensorInfo, |
| 114 | outputTensorInfo, activationType); |
| 115 | if(activationStatus != kTfLiteOk) |
| 116 | { |
| 117 | return kTfLiteError; |
| 118 | } |
| 119 | |
| 120 | // Check if supported |
| 121 | bool isSupported = false; |
| 122 | armnn::BackendId setBackend; |
| 123 | auto validateFunc = [&](const armnn::TensorInfo& outputTensorInfo, bool& isSupported) |
| 124 | { |
| 125 | FORWARD_LAYER_OPAQUE_SUPPORT_FUNC("CONCATENATION", |
| 126 | tfLiteContext, |
| 127 | IsConcatSupported, |
| 128 | delegateData.m_Backends, |
| 129 | isSupported, |
| 130 | setBackend, |
| 131 | inputConstTensorInfos, |
| 132 | outputTensorInfo, |
| 133 | concatDescriptor); |
| 134 | }; |
| 135 | |
| 136 | if (!delegateData.m_Network) |
| 137 | { |
| 138 | validateFunc(outputTensorInfo, isSupported); |
| 139 | return isSupported ? kTfLiteOk : kTfLiteError; |
| 140 | } |
| 141 | |
| 142 | // Setup layer and connect. |
| 143 | armnn::IConnectableLayer* concatenationLayer = delegateData.m_Network->AddConcatLayer(concatDescriptor); |
| 144 | concatenationLayer->SetBackendId(setBackend); |
| 145 | ARMNN_ASSERT(concatenationLayer != nullptr); |
| 146 | |
| 147 | // Connect the Constant Inputs |
| 148 | auto inputsTensorsProcess = ProcessInputs(concatenationLayer, |
| 149 | delegateData, |
| 150 | tfLiteContext, |
| 151 | tfLiteNode); |
| 152 | if (inputsTensorsProcess == kTfLiteError) |
| 153 | { |
| 154 | return inputsTensorsProcess; |
| 155 | } |
| 156 | |
| 157 | armnn::IOutputSlot& outputSlot = concatenationLayer->GetOutputSlot(0); |
| 158 | outputSlot.SetTensorInfo(outputTensorInfo); |
| 159 | if(Connect(concatenationLayer, tfLiteContext, tfLiteNode, delegateData) != kTfLiteOk) |
| 160 | { |
| 161 | return kTfLiteError; |
| 162 | } |
| 163 | |
| 164 | if (activationType == kTfLiteActNone) |
| 165 | { |
| 166 | // No Activation |
| 167 | return kTfLiteOk; |
| 168 | } |
| 169 | |
| 170 | // Check and Create activation |
| 171 | return FusedActivation(tfLiteContext, tfLiteNode, activationType, concatenationLayer, 0, delegateData); |
| 172 | } |
| 173 | |
| 174 | TfLiteStatus VisitMeanOperator(DelegateData& delegateData, |
| 175 | TfLiteOpaqueContext* tfLiteContext, |
| 176 | TfLiteOpaqueNode* tfLiteNode, |
| 177 | int nodeIndex, |
| 178 | int32_t tfLiteMeanOperatorCode) |
| 179 | { |
| 180 | TF_LITE_ENSURE_STATUS(ValidateNumInputs(tfLiteContext, tfLiteNode, 2, nodeIndex)); |
| 181 | TF_LITE_ENSURE_STATUS(ValidateNumOutputs(tfLiteContext, tfLiteNode, 1, nodeIndex)); |
| 182 | |
| 183 | // Gather input indices and use to get input tensor. |
| 184 | int numInputs = 0; |
| 185 | const int* inputTensors; |
| 186 | if (TfLiteOpaqueNodeInputs(tfLiteNode, &inputTensors, &numInputs) != kTfLiteOk) |
| 187 | { |
| 188 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 189 | tfLiteContext, |
| 190 | "TfLiteArmnnOpaqueDelegate: Unable to gather input tensor indices from node #%d: ", |
| 191 | nodeIndex); |
| 192 | return kTfLiteError; |
| 193 | } |
| 194 | |
| 195 | const TfLiteOpaqueTensor* tfLiteInputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[0]); |
| 196 | if (!IsValid(tfLiteContext, tfLiteInputTensor, tfLiteMeanOperatorCode, nodeIndex)) |
| 197 | { |
| 198 | return kTfLiteError; |
| 199 | } |
| 200 | |
| 201 | // Use input indices to get axis tensor. |
| 202 | const TfLiteOpaqueTensor* tfLiteAxisTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, inputTensors[1]); |
| 203 | if (!IsValid(tfLiteContext, tfLiteAxisTensor, tfLiteMeanOperatorCode, nodeIndex)) |
| 204 | { |
| 205 | return kTfLiteError; |
| 206 | } |
| 207 | |
| 208 | // Gather output indices and use to get output tensors. |
| 209 | int numOutputs = 0; |
| 210 | const int* outputTensors; |
| 211 | if (TfLiteOpaqueNodeOutputs(tfLiteNode, &outputTensors, &numOutputs) != kTfLiteOk) |
| 212 | { |
| 213 | TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( |
| 214 | tfLiteContext, |
| 215 | "TfLiteArmnnOpaqueDelegate: Unable to gather output tensor indices from node #%d: ", |
| 216 | nodeIndex); |
| 217 | return kTfLiteError; |
| 218 | } |
| 219 | |
| 220 | const TfLiteOpaqueTensor* tfLiteOutputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, outputTensors[0]); |
| 221 | if (!IsValid(tfLiteContext, tfLiteOutputTensor, tfLiteMeanOperatorCode, nodeIndex)) |
| 222 | { |
| 223 | return kTfLiteError; |
| 224 | } |
| 225 | |
| 226 | const armnn::TensorInfo& inputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteInputTensor); |
| 227 | const armnn::TensorInfo& axisTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteAxisTensor); |
| 228 | const armnn::TensorInfo& outputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteOutputTensor, true); |
| 229 | |
| 230 | auto* axisTensorData = static_cast<int32_t*>(TfLiteOpaqueTensorData(tfLiteAxisTensor)); |
| 231 | |
| 232 | std::vector<int32_t> axis; |
| 233 | // Add axis data to vector to be converter to unsigned int and assigned to descriptor axis. |
| 234 | for (unsigned int i = 0; i < axisTensorInfo.GetNumElements(); ++i) |
| 235 | { |
| 236 | axis.emplace_back(axisTensorData[i]); |
| 237 | } |
| 238 | |
| 239 | // Convert the axis to unsigned int and remove duplicates. |
| 240 | unsigned int rank = inputTensorInfo.GetNumDimensions(); |
| 241 | std::set<unsigned int> uniqueAxis; |
| 242 | std::transform(axis.begin(), |
| 243 | axis.end(), |
| 244 | std::inserter(uniqueAxis, uniqueAxis.begin()), |
| 245 | [rank](int i)->unsigned int{ return (i + rank) % rank; }); |
| 246 | |
| 247 | // Setup MeanDescriptor and assign axis and keepDims |
| 248 | armnn::MeanDescriptor desc; |
| 249 | desc.m_Axis.assign(uniqueAxis.begin(), uniqueAxis.end()); |
| 250 | desc.m_KeepDims = inputTensorInfo.GetNumDimensions() == outputTensorInfo.GetNumDimensions() ? true : false; |
| 251 | |
| 252 | // Check if supported |
| 253 | bool isSupported = false; |
| 254 | armnn::BackendId setBackend; |
| 255 | auto validateFunc = [&](const armnn::TensorInfo& outputTensorInfo, bool& isSupported) |
| 256 | { |
| 257 | FORWARD_LAYER_OPAQUE_SUPPORT_FUNC("MEAN", |
| 258 | tfLiteContext, |
| 259 | IsMeanSupported, |
| 260 | delegateData.m_Backends, |
| 261 | isSupported, |
| 262 | setBackend, |
| 263 | inputTensorInfo, |
| 264 | outputTensorInfo, |
| 265 | desc); |
| 266 | }; |
| 267 | |
| 268 | if (!delegateData.m_Network) |
| 269 | { |
| 270 | validateFunc(outputTensorInfo, isSupported); |
| 271 | return isSupported ? kTfLiteOk : kTfLiteError; |
| 272 | } |
| 273 | |
| 274 | // Setup layer and connect. |
| 275 | armnn::IConnectableLayer* meanLayer = delegateData.m_Network->AddMeanLayer(desc); |
| 276 | meanLayer->SetBackendId(setBackend); |
| 277 | ARMNN_ASSERT(meanLayer != nullptr); |
| 278 | |
| 279 | armnn::IOutputSlot& outputSlot = meanLayer->GetOutputSlot(0); |
| 280 | outputSlot.SetTensorInfo(outputTensorInfo); |
| 281 | |
| 282 | // try to connect the Constant Inputs if there are any |
| 283 | if(ProcessInputs(meanLayer,delegateData, tfLiteContext, tfLiteNode) != kTfLiteOk ) |
| 284 | { |
| 285 | return kTfLiteError; |
| 286 | } |
| 287 | |
| 288 | return Connect(meanLayer, tfLiteContext, tfLiteNode, delegateData); |
| 289 | } |
| 290 | |
| 291 | TfLiteStatus VisitControlOperator(DelegateData& delegateData, |
| 292 | TfLiteOpaqueContext* tfLiteContext, |
| 293 | TfLiteOpaqueNode* tfLiteNode, |
| 294 | int nodeIndex, |
| 295 | int32_t operatorCode) |
| 296 | { |
| 297 | switch(operatorCode) |
| 298 | { |
| 299 | case kTfLiteBuiltinConcatenation: |
| 300 | return VisitConcatenationOperator(delegateData, tfLiteContext, tfLiteNode, nodeIndex, operatorCode); |
| 301 | case kTfLiteBuiltinMean: |
| 302 | return VisitMeanOperator(delegateData, tfLiteContext, tfLiteNode, nodeIndex, operatorCode); |
| 303 | default: |
| 304 | return kTfLiteError; |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | } // namespace armnnDelegate |
| 309 | |