Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <armnn/ArmNN.hpp> |
| 9 | #include <armnn/BackendHelper.hpp> |
| 10 | #include <armnn/utility/Assert.hpp> |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 11 | #include <armnn/utility/NumericCast.hpp> |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 12 | |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 13 | #include <armnnUtils/Permute.hpp> |
| 14 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 15 | #include <tensorflow/lite/builtin_ops.h> |
| 16 | #include <tensorflow/lite/c/builtin_op_data.h> |
| 17 | #include <tensorflow/lite/c/common.h> |
| 18 | #include <tensorflow/lite/minimal_logging.h> |
| 19 | |
Sadik Armagan | 05e9fd2 | 2020-11-17 12:01:47 +0000 | [diff] [blame] | 20 | #include "tensorflow/lite/kernels/kernel_util.h" |
| 21 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 22 | namespace |
| 23 | { |
| 24 | |
| 25 | // Macro to call an Is<layer_name>Supported function and log caller name together with reason for lack of support |
| 26 | #define FORWARD_LAYER_SUPPORT_FUNC(funcName, tfLiteContext, func, backends, supported, ...) \ |
| 27 | try \ |
| 28 | { \ |
| 29 | for (auto&& backendId : backends) \ |
| 30 | { \ |
| 31 | auto layerSupportObject = armnn::GetILayerSupportByBackendId(backendId); \ |
| 32 | if (layerSupportObject) \ |
| 33 | { \ |
| 34 | std::string reasonIfUnsupported; \ |
| 35 | supported = \ |
| 36 | layerSupportObject->func(__VA_ARGS__, armnn::Optional<std::string&>(reasonIfUnsupported)); \ |
| 37 | if (supported) \ |
| 38 | { \ |
| 39 | break; \ |
| 40 | } \ |
| 41 | else \ |
| 42 | { \ |
| 43 | if (reasonIfUnsupported.size() > 0) \ |
| 44 | { \ |
| 45 | TF_LITE_KERNEL_LOG( \ |
| 46 | tfLiteContext, "%s: not supported by armnn: %s", funcName, reasonIfUnsupported.c_str()); \ |
| 47 | } \ |
| 48 | else \ |
| 49 | { \ |
| 50 | TF_LITE_KERNEL_LOG(tfLiteContext, "%s: not supported by armnn", funcName); \ |
| 51 | } \ |
| 52 | } \ |
| 53 | } \ |
| 54 | else \ |
| 55 | { \ |
| 56 | TF_LITE_KERNEL_LOG(tfLiteContext, "%s: backend not registered: %s", funcName, backendId.Get().c_str()); \ |
| 57 | } \ |
| 58 | } \ |
| 59 | if (!supported) \ |
| 60 | { \ |
| 61 | TF_LITE_KERNEL_LOG(tfLiteContext, "%s: not supported by any specified backend", funcName); \ |
| 62 | } \ |
| 63 | } \ |
| 64 | catch (const armnn::InvalidArgumentException &e) \ |
| 65 | { \ |
| 66 | throw armnn::InvalidArgumentException(e, "Failed to check layer support", CHECK_LOCATION()); \ |
| 67 | } |
| 68 | |
| 69 | TfLiteStatus ValidateNumInputs(TfLiteContext* tfLiteContext, |
| 70 | TfLiteNode* tfLiteNode, |
| 71 | const unsigned int expectedSize, |
| 72 | int nodeIndex) |
| 73 | { |
| 74 | auto numInputs = tfLiteNode->inputs->size; |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 75 | if (static_cast<unsigned int >(numInputs) != expectedSize) |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 76 | { |
| 77 | TF_LITE_MAYBE_KERNEL_LOG( |
| 78 | tfLiteContext, "TfLiteArmnnDelegate: Unexpected number of inputs (%d != %d) in node #%d", |
| 79 | numInputs, expectedSize, nodeIndex); |
| 80 | return kTfLiteError; |
| 81 | } |
| 82 | return kTfLiteOk; |
| 83 | } |
| 84 | |
| 85 | TfLiteStatus ValidateNumOutputs(TfLiteContext* tfLiteContext, |
| 86 | TfLiteNode* tfLiteNode, |
| 87 | const unsigned int expectedSize, |
| 88 | int nodeIndex) |
| 89 | { |
| 90 | auto numOutputs = tfLiteNode->outputs->size; |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 91 | if (static_cast<unsigned int >(numOutputs) != expectedSize) |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 92 | { |
| 93 | TF_LITE_MAYBE_KERNEL_LOG( |
| 94 | tfLiteContext, "TfLiteArmnnDelegate: Unexpected number of outputs (%d != %d) in node #%d", |
| 95 | numOutputs, expectedSize, nodeIndex); |
| 96 | return kTfLiteError; |
| 97 | } |
| 98 | return kTfLiteOk; |
| 99 | } |
| 100 | |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 101 | bool IsValid(const TfLiteTensor* tfLiteTensor) |
| 102 | { |
| 103 | return tfLiteTensor == nullptr ? false : true; |
| 104 | } |
| 105 | |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 106 | uint32_t NonNegative(int32_t value, int nodeIndex) |
| 107 | { |
| 108 | if (value < 0) |
| 109 | { |
| 110 | throw armnn::Exception("TfLiteArmnnDelegate: Non-negative value in node " + nodeIndex); |
| 111 | } |
| 112 | else |
| 113 | { |
| 114 | return static_cast<uint32_t>(value); |
| 115 | } |
| 116 | } |
| 117 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 118 | bool IsDynamicTensor(const TfLiteTensor& tfLiteTensor) |
| 119 | { |
| 120 | auto tensorAllocationType = tfLiteTensor.allocation_type; |
| 121 | if (tensorAllocationType == kTfLiteDynamic) |
| 122 | { |
| 123 | return true; |
| 124 | } |
| 125 | return false; |
| 126 | } |
| 127 | |
Matthew Sloyan | 0d35a93 | 2020-11-09 12:25:05 +0000 | [diff] [blame] | 128 | bool IsAffineQuantization(const TfLiteTensor& tfLiteTensor) |
| 129 | { |
| 130 | auto quantizationInfo = tfLiteTensor.quantization; |
| 131 | if (quantizationInfo.type == kTfLiteAffineQuantization) |
| 132 | { |
| 133 | return true; |
| 134 | } |
| 135 | return false; |
| 136 | } |
| 137 | |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 138 | TfLiteStatus Connect(armnn::IConnectableLayer* layer, |
| 139 | TfLiteNode* tfLiteNode, |
| 140 | armnnDelegate::DelegateData& data) |
| 141 | { |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 142 | ARMNN_ASSERT(static_cast<unsigned int >(tfLiteNode->outputs->size) == layer->GetNumOutputSlots()); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 143 | |
| 144 | // Connect the input slots |
| 145 | for (unsigned int inputIndex = 0; inputIndex < layer->GetNumInputSlots(); ++inputIndex) |
| 146 | { |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 147 | if (data.m_OutputSlotForNode[tfLiteNode->inputs->data[inputIndex]] != nullptr) |
| 148 | { |
| 149 | data.m_OutputSlotForNode[tfLiteNode->inputs->data[inputIndex]]->Connect(layer->GetInputSlot(inputIndex)); |
| 150 | } |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | // Prepare output slots |
| 154 | for (unsigned int outputIndex = 0; outputIndex < layer->GetNumOutputSlots(); ++outputIndex) |
| 155 | { |
| 156 | armnn::IOutputSlot& outputSlot = layer->GetOutputSlot(outputIndex); |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 157 | data.m_OutputSlotForNode[static_cast<unsigned long>(tfLiteNode->outputs->data[outputIndex])] = &outputSlot; |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 158 | } |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 159 | |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 160 | return kTfLiteOk; |
| 161 | } |
| 162 | |
| 163 | armnn::IConnectableLayer* BroadcastTensor(const armnn::TensorInfo& inputInfo0, |
| 164 | const armnn::TensorInfo& inputInfo1, |
| 165 | armnn::IConnectableLayer* startLayer, |
| 166 | TfLiteContext* tfLiteContext, |
| 167 | TfLiteNode* tfLiteNode, |
| 168 | armnnDelegate::DelegateData& delegateData) |
| 169 | { |
| 170 | unsigned int inputDimensions0 = inputInfo0.GetNumDimensions(); |
| 171 | unsigned int inputDimensions1 = inputInfo1.GetNumDimensions(); |
| 172 | |
| 173 | if (inputDimensions0 == inputDimensions1) |
| 174 | { |
| 175 | auto status = Connect(startLayer, tfLiteNode, delegateData); |
Sadik Armagan | 8b9858d | 2020-11-09 08:26:22 +0000 | [diff] [blame] | 176 | return status == kTfLiteOk ? startLayer : nullptr; |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | unsigned int biggerInputDimensions = std::max(inputDimensions0, inputDimensions1); |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 180 | unsigned int dimDifference = static_cast<unsigned int>(std::abs(armnn::numeric_cast<int>(inputDimensions0) - |
| 181 | armnn::numeric_cast<int>(inputDimensions1))); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 182 | |
| 183 | bool input0IsSmaller = inputDimensions0 < inputDimensions1; |
| 184 | const armnn::TensorInfo& smallInfo = input0IsSmaller ? inputInfo0 : inputInfo1; |
| 185 | const armnn::TensorShape& smallShape = smallInfo.GetShape(); |
| 186 | |
| 187 | std::vector<unsigned int> reshapedDimensions(biggerInputDimensions, 1); |
| 188 | for (unsigned int i = dimDifference; i < biggerInputDimensions; ++i) |
| 189 | { |
| 190 | reshapedDimensions[i] = smallShape[i - dimDifference]; |
| 191 | } |
| 192 | |
| 193 | armnn::TensorInfo reshapedInfo = smallInfo; |
| 194 | reshapedInfo.SetShape(armnn::TensorShape{ armnn::numeric_cast<unsigned int>(reshapedDimensions.size()), |
| 195 | reshapedDimensions.data() }); |
| 196 | |
| 197 | armnn::ReshapeDescriptor reshapeDescriptor; |
| 198 | bool isSupported = false; |
| 199 | FORWARD_LAYER_SUPPORT_FUNC(__func__, |
| 200 | tfLiteContext, |
| 201 | IsReshapeSupported, |
| 202 | delegateData.m_Backends, |
| 203 | isSupported, |
| 204 | smallInfo, |
| 205 | reshapedInfo, |
| 206 | reshapeDescriptor); |
| 207 | if (!isSupported) |
| 208 | { |
| 209 | return nullptr; |
| 210 | } |
| 211 | |
| 212 | ARMNN_ASSERT(delegateData.m_Network != nullptr); |
| 213 | // Add Reshape layer |
| 214 | reshapeDescriptor.m_TargetShape = reshapedInfo.GetShape(); |
| 215 | |
| 216 | armnn::IConnectableLayer* reshapeLayer = delegateData.m_Network->AddReshapeLayer(reshapeDescriptor); |
| 217 | ARMNN_ASSERT(reshapeLayer != nullptr); |
| 218 | reshapeLayer->GetOutputSlot(0).SetTensorInfo(reshapedInfo); |
| 219 | |
| 220 | if (input0IsSmaller) |
| 221 | { |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 222 | delegateData.m_OutputSlotForNode[static_cast<unsigned long>(tfLiteNode->inputs->data[0])] |
| 223 | ->Connect(reshapeLayer->GetInputSlot(0)); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 224 | reshapeLayer->GetOutputSlot(0).Connect(startLayer->GetInputSlot(0)); |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 225 | delegateData.m_OutputSlotForNode[static_cast<unsigned long>(tfLiteNode->inputs->data[1])] |
| 226 | ->Connect(startLayer->GetInputSlot(1)); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 227 | } |
| 228 | else |
| 229 | { |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 230 | delegateData.m_OutputSlotForNode[static_cast<unsigned long>(tfLiteNode->inputs->data[1])] |
| 231 | ->Connect(reshapeLayer->GetInputSlot(0)); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 232 | reshapeLayer->GetOutputSlot(0).Connect(startLayer->GetInputSlot(1)); |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 233 | delegateData.m_OutputSlotForNode[static_cast<unsigned long>(tfLiteNode->inputs->data[0])] |
| 234 | ->Connect(startLayer->GetInputSlot(0)); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | // Prepare output slots |
| 238 | for (unsigned int outputIndex = 0; outputIndex < startLayer->GetNumOutputSlots(); ++outputIndex) |
| 239 | { |
| 240 | armnn::IOutputSlot& outputSlot = startLayer->GetOutputSlot(outputIndex); |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 241 | delegateData.m_OutputSlotForNode |
| 242 | [static_cast<unsigned long>(tfLiteNode->outputs->data[outputIndex])] = &outputSlot; |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | return reshapeLayer; |
| 246 | } |
| 247 | |
| 248 | TfLiteStatus FusedActivation(TfLiteContext* tfLiteContext, |
| 249 | TfLiteNode* tfLiteNode, |
| 250 | TfLiteFusedActivation activationType, |
| 251 | armnn::IConnectableLayer* prevLayer, |
| 252 | unsigned int outputSlotIndex, |
| 253 | armnnDelegate::DelegateData& data) |
| 254 | { |
| 255 | |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 256 | const armnn::TensorInfo& activationOutputInfo = prevLayer->GetOutputSlot(outputSlotIndex).GetTensorInfo(); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 257 | |
| 258 | armnn::ActivationDescriptor activationDesc; |
| 259 | |
| 260 | switch (activationType) |
| 261 | { |
| 262 | case kTfLiteActNone: |
| 263 | { |
| 264 | // No Activation |
| 265 | return kTfLiteOk; |
| 266 | } |
| 267 | case kTfLiteActRelu: |
| 268 | { |
| 269 | activationDesc.m_Function = armnn::ActivationFunction::ReLu; |
| 270 | break; |
| 271 | } |
| 272 | case kTfLiteActRelu1: |
| 273 | { |
| 274 | activationDesc.m_Function = armnn::ActivationFunction::BoundedReLu; |
| 275 | activationDesc.m_A = 1.0f; |
| 276 | activationDesc.m_B = -1.0f; |
| 277 | break; |
| 278 | } |
| 279 | case kTfLiteActRelu6: |
| 280 | { |
| 281 | activationDesc.m_Function = armnn::ActivationFunction::BoundedReLu; |
| 282 | activationDesc.m_A = 6.0f; |
| 283 | activationDesc.m_B = 0.0f; |
| 284 | break; |
| 285 | } |
| 286 | case kTfLiteActSigmoid: |
| 287 | { |
| 288 | activationDesc.m_Function = armnn::ActivationFunction::Sigmoid; |
| 289 | break; |
| 290 | } |
| 291 | case kTfLiteActTanh: |
| 292 | { |
| 293 | activationDesc.m_Function = armnn::ActivationFunction::TanH; |
| 294 | activationDesc.m_A = 1.0f; |
| 295 | activationDesc.m_B = 1.0f; |
| 296 | break; |
| 297 | } |
| 298 | default: |
| 299 | return kTfLiteError; |
| 300 | } |
| 301 | |
| 302 | bool isSupported = false; |
| 303 | FORWARD_LAYER_SUPPORT_FUNC(__func__, |
| 304 | tfLiteContext, |
| 305 | IsActivationSupported, |
| 306 | data.m_Backends, |
| 307 | isSupported, |
| 308 | prevLayer->GetOutputSlot(0).GetTensorInfo(), |
| 309 | activationOutputInfo, |
| 310 | activationDesc); |
| 311 | if (!isSupported) |
| 312 | { |
| 313 | return kTfLiteError; |
| 314 | } |
| 315 | armnn::IConnectableLayer* activationLayer = data.m_Network->AddActivationLayer(activationDesc); |
| 316 | |
| 317 | ARMNN_ASSERT(activationLayer != nullptr); |
| 318 | activationLayer->GetOutputSlot(0).SetTensorInfo(activationOutputInfo); |
| 319 | |
| 320 | // Connect and prepare output slots |
| 321 | for (unsigned int outputIndex = 0; outputIndex < activationLayer->GetNumOutputSlots(); ++outputIndex) |
| 322 | { |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 323 | data.m_OutputSlotForNode[static_cast<unsigned long>( |
| 324 | tfLiteNode->outputs->data[outputIndex])]->Connect(activationLayer->GetInputSlot(0)); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 325 | armnn::IOutputSlot& outputSlot = activationLayer->GetOutputSlot(outputIndex); |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 326 | data.m_OutputSlotForNode[static_cast<unsigned long>( |
| 327 | tfLiteNode->outputs->data[outputIndex])] = &outputSlot; |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 328 | } |
| 329 | return kTfLiteOk; |
| 330 | } |
| 331 | |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 332 | armnn::DataType GetDataType(const TfLiteTensor& tfLiteTensor) |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 333 | { |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 334 | switch (tfLiteTensor.type) |
| 335 | { |
| 336 | case kTfLiteBool: |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 337 | return armnn::DataType::Boolean; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 338 | case kTfLiteFloat32: |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 339 | return armnn::DataType::Float32; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 340 | case kTfLiteFloat16: |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 341 | return armnn::DataType::Float16; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 342 | case kTfLiteUInt8: |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 343 | return armnn::DataType::QAsymmU8; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 344 | case kTfLiteInt8: |
Narumol Prangnawarat | 50c87d3 | 2020-11-09 18:42:11 +0000 | [diff] [blame] | 345 | if (tfLiteTensor.params.zero_point == 0) |
| 346 | { |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 347 | return armnn::DataType::QSymmS8; |
Narumol Prangnawarat | 50c87d3 | 2020-11-09 18:42:11 +0000 | [diff] [blame] | 348 | } |
| 349 | else |
| 350 | { |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 351 | return armnn::DataType::QAsymmS8; |
Narumol Prangnawarat | 50c87d3 | 2020-11-09 18:42:11 +0000 | [diff] [blame] | 352 | } |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 353 | case kTfLiteInt16: |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 354 | return armnn::DataType::QSymmS16; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 355 | case kTfLiteInt32: |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 356 | return armnn::DataType::Signed32; |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 357 | default: |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 358 | throw armnn::Exception(&"TfLiteArmnnDelegate: Unsupported data type: " [ tfLiteTensor.type]); |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 359 | } |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 360 | } |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 361 | |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 362 | armnn::TensorInfo GetTensorInfoForTfLiteTensor(const TfLiteTensor& tfLiteTensor, |
| 363 | const armnn::PermutationVector& dimensionMappings = {0, 1, 2, 3}) |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 364 | { |
| 365 | armnn::DataType type = GetDataType(tfLiteTensor); |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 366 | armnn::TensorInfo ret; |
| 367 | auto tensorDimensionSize = tfLiteTensor.dims->size; |
| 368 | if (tensorDimensionSize == 0) |
| 369 | { |
Sadik Armagan | 05e9fd2 | 2020-11-17 12:01:47 +0000 | [diff] [blame] | 370 | if(tflite::IsConstantTensor(&tfLiteTensor)) |
| 371 | { |
| 372 | std::vector<unsigned int> safeShape = { 1 }; |
| 373 | bool dimensionsSpecificity[1] = { true }; |
| 374 | armnn::TensorShape tensorShape(armnn::numeric_cast<unsigned int>(safeShape.size()), |
| 375 | safeShape.data(), |
| 376 | dimensionsSpecificity); |
| 377 | ret = armnn::TensorInfo(tensorShape, type); |
| 378 | } |
| 379 | else |
| 380 | { |
| 381 | armnn::TensorShape tensorShape(armnn::Dimensionality::NotSpecified); |
| 382 | ret = armnn::TensorInfo(tensorShape, type); |
| 383 | } |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 384 | } |
| 385 | else |
| 386 | { |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 387 | std::vector<unsigned int> tensorDims(static_cast<unsigned int>(tensorDimensionSize)); |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 388 | bool dimensionsSpecificity[5] = { true, true, true, true, true }; |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 389 | for (unsigned int i = 0; i < static_cast<unsigned int>(tensorDimensionSize); ++i) { |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 390 | auto dim = tfLiteTensor.dims->data[i]; |
| 391 | if (dim == 0) |
| 392 | { |
| 393 | dimensionsSpecificity[i] = false; |
| 394 | } |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 395 | tensorDims[i] = static_cast<unsigned int>(dim); |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 396 | } |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 397 | armnn::TensorShape tensorShape(static_cast<unsigned int>(tensorDimensionSize), |
| 398 | tensorDims.data(), |
| 399 | dimensionsSpecificity); |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 400 | ret = armnn::TensorInfo(tensorShape, type); |
| 401 | } |
| 402 | |
| 403 | auto quantizationInfo = tfLiteTensor.quantization; |
| 404 | if (quantizationInfo.type == kTfLiteAffineQuantization) |
| 405 | { |
| 406 | // get per-channel quantization parameters |
| 407 | const auto* affineQuantization = |
| 408 | reinterpret_cast<TfLiteAffineQuantization*>(tfLiteTensor.quantization.params); |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 409 | if (affineQuantization->scale->size > 1) |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 410 | { |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 411 | std::vector<float> quantizationScales; |
Finn Williams | 6f9f990 | 2020-11-13 13:23:15 +0000 | [diff] [blame] | 412 | for (unsigned int i = 1; i < static_cast<unsigned int>(affineQuantization->scale->size); ++i) |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 413 | { |
| 414 | quantizationScales.push_back(affineQuantization->scale->data[i]); |
| 415 | } |
| 416 | ret.SetQuantizationScales(quantizationScales); |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 417 | ret.SetQuantizationDim(dimensionMappings[armnn::numeric_cast<unsigned int>( |
| 418 | affineQuantization->quantized_dimension)]); |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 419 | } |
Sadik Armagan | 67e95f2 | 2020-10-29 16:14:54 +0000 | [diff] [blame] | 420 | else |
| 421 | { |
| 422 | ret.SetQuantizationScale(affineQuantization->scale->data[0]); |
| 423 | ret.SetQuantizationOffset(affineQuantization->zero_point->data[0]); |
| 424 | } |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 425 | } |
| 426 | else |
| 427 | { |
| 428 | auto quantizationParameters = tfLiteTensor.params; |
| 429 | ret.SetQuantizationScale(quantizationParameters.scale); |
| 430 | ret.SetQuantizationOffset(quantizationParameters.zero_point); |
| 431 | } |
| 432 | |
| 433 | return ret; |
| 434 | } |
| 435 | |
Sadik Armagan | 4189cc5 | 2020-11-11 18:01:48 +0000 | [diff] [blame] | 436 | armnn::ConstTensor CreateConstTensor(const TfLiteTensor* tfLiteTensor, |
| 437 | armnn::TensorInfo& tensorInfo, |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 438 | armnn::Optional<armnn::PermutationVector&> permutationVector, |
| 439 | void* permutationData = nullptr) |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 440 | { |
Sadik Armagan | 4189cc5 | 2020-11-11 18:01:48 +0000 | [diff] [blame] | 441 | if (tfLiteTensor->allocation_type != kTfLiteMmapRo) |
| 442 | { |
| 443 | throw armnn::Exception("TfLiteArmnnDelegate: Not constant allocation type: " + tfLiteTensor->allocation_type); |
| 444 | } |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 445 | |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 446 | if (permutationVector.has_value() && permutationVector.value().GetSize() > 0 && permutationData != nullptr) |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 447 | { |
Sadik Armagan | 4189cc5 | 2020-11-11 18:01:48 +0000 | [diff] [blame] | 448 | armnnUtils::Permute(armnnUtils::Permuted(tensorInfo.GetShape(), permutationVector.value()), |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 449 | permutationVector.value(), |
Sadik Armagan | 4189cc5 | 2020-11-11 18:01:48 +0000 | [diff] [blame] | 450 | tfLiteTensor->data.data, |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 451 | permutationData, |
Sadik Armagan | 4189cc5 | 2020-11-11 18:01:48 +0000 | [diff] [blame] | 452 | armnn::GetDataTypeSize(tensorInfo.GetDataType())); |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 453 | |
| 454 | return armnn::ConstTensor(armnnUtils::Permuted(tensorInfo, permutationVector.value()), permutationData); |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 455 | } |
| 456 | else |
| 457 | { |
Sadik Armagan | 4189cc5 | 2020-11-11 18:01:48 +0000 | [diff] [blame] | 458 | return armnn::ConstTensor(tensorInfo, tfLiteTensor->data.data); |
Sadik Armagan | 6e36a64 | 2020-11-10 21:18:41 +0000 | [diff] [blame] | 459 | } |
| 460 | } |
| 461 | |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 462 | void CalcPadding(uint32_t inputSize, |
| 463 | uint32_t filterSize, |
| 464 | uint32_t stride, |
| 465 | uint32_t dilation, |
| 466 | uint32_t& paddingFront, |
| 467 | uint32_t& paddingBack, |
| 468 | TfLitePadding padding) |
| 469 | { |
| 470 | paddingFront = 0; |
| 471 | paddingBack = 0; |
| 472 | if (padding == kTfLitePaddingSame) |
| 473 | { |
| 474 | uint32_t outputSize = (inputSize + stride - 1) / stride; |
| 475 | uint32_t dilatedSize = filterSize + (dilation - 1) * (filterSize - 1); |
| 476 | uint32_t temp = (outputSize - 1) * stride + dilatedSize; |
| 477 | if (temp > inputSize) |
| 478 | { |
| 479 | paddingFront = (temp - inputSize) / 2; |
| 480 | paddingBack = (temp - inputSize) - paddingFront; |
| 481 | } |
| 482 | } |
| 483 | } |
| 484 | |
Sadik Armagan | 05e9fd2 | 2020-11-17 12:01:47 +0000 | [diff] [blame] | 485 | TfLiteStatus ConnectConstant(armnn::IConnectableLayer* layer, |
| 486 | armnn::TensorInfo& constTensorInfo, |
| 487 | TfLiteContext* tfLiteContext, |
| 488 | const TfLiteTensor& tfLiteTensor, |
| 489 | armnnDelegate::DelegateData& data, |
| 490 | unsigned int slotIndex) |
| 491 | { |
| 492 | bool isSupported = false; |
| 493 | FORWARD_LAYER_SUPPORT_FUNC(__func__, |
| 494 | tfLiteContext, |
| 495 | IsConstantSupported, |
| 496 | data.m_Backends, |
| 497 | isSupported, |
| 498 | constTensorInfo); |
| 499 | if (!isSupported) |
| 500 | { |
| 501 | return kTfLiteError; |
| 502 | } |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 503 | |
Sadik Armagan | 05e9fd2 | 2020-11-17 12:01:47 +0000 | [diff] [blame] | 504 | auto constantInput = CreateConstTensor(&tfLiteTensor, |
| 505 | constTensorInfo, |
| 506 | armnn::Optional<armnn::PermutationVector&>()); |
| 507 | armnn::IConnectableLayer* constantLayer = data.m_Network->AddConstantLayer(constantInput); |
| 508 | armnn::IOutputSlot& outputSlot = constantLayer->GetOutputSlot(0); |
| 509 | outputSlot.SetTensorInfo(constTensorInfo); |
| 510 | |
| 511 | data.m_OutputSlotForNode[static_cast<unsigned long>(slotIndex)] = &outputSlot; |
| 512 | |
| 513 | return kTfLiteOk; |
| 514 | } |
Sadik Armagan | 32ca144 | 2020-11-13 17:51:56 +0000 | [diff] [blame] | 515 | |
Sadik Armagan | 62483be | 2020-10-23 17:14:43 +0100 | [diff] [blame] | 516 | } // namespace anonymous |