telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
David Beck | ecb56cd | 2018-09-05 12:52:57 +0100 | [diff] [blame] | 3 | // SPDX-License-Identifier: MIT |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 4 | // |
| 5 | #include "TfLiteParser.hpp" |
| 6 | |
| 7 | #include <armnn/ArmNN.hpp> |
| 8 | #include <armnn/Exceptions.hpp> |
| 9 | #include <armnn/TypesUtils.hpp> |
| 10 | #include <boost/filesystem.hpp> |
| 11 | |
| 12 | // armnnUtils: |
Sadik Armagan | 479045b | 2018-10-01 11:51:37 +0100 | [diff] [blame] | 13 | #include <ParserHelper.hpp> |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 14 | #include <Permute.hpp> |
| 15 | #include <VerificationHelpers.hpp> |
| 16 | |
| 17 | // The generated code based on the Tf Lite schema: |
| 18 | #include <schema_generated.h> |
| 19 | |
| 20 | #include <boost/core/ignore_unused.hpp> |
| 21 | #include <boost/assert.hpp> |
| 22 | #include <boost/format.hpp> |
| 23 | #include <boost/log/trivial.hpp> |
| 24 | |
| 25 | #include <fstream> |
| 26 | #include <algorithm> |
| 27 | #include <limits> |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 28 | #include <numeric> |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 29 | |
| 30 | using namespace armnn; |
| 31 | using armnn::CheckLocation; |
| 32 | namespace armnnTfLiteParser |
| 33 | { |
| 34 | namespace |
| 35 | { |
| 36 | const PermutationVector NHWCToArmNN = { 0, 2, 3, 1 }; |
| 37 | const PermutationVector ArmNNToNHWC = { 0, 3, 1, 2 }; |
| 38 | |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 39 | IConnectableLayer* SwizzleIn(INetwork& network, |
| 40 | IConnectableLayer* layer, |
| 41 | unsigned int inputSlotIndex, |
| 42 | const TensorInfo & inputInfo) |
| 43 | { |
| 44 | BOOST_ASSERT(layer != nullptr); |
| 45 | // Add swizzle layer |
| 46 | std::stringstream name; |
| 47 | name << "swizzle_for-" << layer->GetName() << ":in" << inputSlotIndex; |
| 48 | IConnectableLayer* const swizzleLayer = network.AddPermuteLayer(NHWCToArmNN, name.str().c_str()); |
| 49 | // Set swizzled output shape |
| 50 | const TensorInfo swizzleOutInfo = armnnUtils::Permuted(inputInfo, NHWCToArmNN); |
| 51 | swizzleLayer->GetOutputSlot(0).SetTensorInfo(swizzleOutInfo); |
| 52 | // Connect the swizzle layer to the actual layer |
| 53 | swizzleLayer->GetOutputSlot(0).Connect(layer->GetInputSlot(inputSlotIndex)); |
| 54 | |
| 55 | return swizzleLayer; |
| 56 | } |
| 57 | |
| 58 | IConnectableLayer* DeswizzleOut(INetwork& network, |
| 59 | IConnectableLayer* layer, |
| 60 | unsigned int outputSlotIndex, |
| 61 | const TensorInfo & outputInfo) |
| 62 | { |
| 63 | BOOST_ASSERT(layer != nullptr); |
| 64 | // Add deswizzle layer |
| 65 | std::stringstream name; |
| 66 | name << "deswizzle_for-" << layer->GetName() << ":out" << outputSlotIndex; |
| 67 | IConnectableLayer* const deswizzleLayer = network.AddPermuteLayer(ArmNNToNHWC, name.str().c_str()); |
| 68 | // Set deswizzled output shape |
| 69 | deswizzleLayer->GetOutputSlot(0).SetTensorInfo(outputInfo); |
| 70 | // Set original layer output shape |
| 71 | const TensorInfo deswizzleOutInfo = armnnUtils::Permuted(outputInfo, NHWCToArmNN); |
| 72 | layer->GetOutputSlot(outputSlotIndex).SetTensorInfo(deswizzleOutInfo); |
| 73 | // Connect the actual layer to the deswizzle layer |
| 74 | layer->GetOutputSlot(outputSlotIndex).Connect(deswizzleLayer->GetInputSlot(0)); |
| 75 | |
| 76 | return deswizzleLayer; |
| 77 | } |
| 78 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 79 | const uint32_t VIRTUAL_OPERATOR_ID = std::numeric_limits<uint32_t>::max(); |
| 80 | |
| 81 | void CheckSubgraph(const TfLiteParser::ModelPtr & model, |
| 82 | size_t subgraphIndex, |
| 83 | const CheckLocation & location) |
| 84 | { |
| 85 | if (model.get() == nullptr) |
| 86 | { |
| 87 | throw ParseException( |
| 88 | boost::str( |
| 89 | boost::format("%1% was called with invalid (null) model. " |
| 90 | "Possible reason is that the model is not yet loaded and Unpack(ed). " |
| 91 | "subgraph:%2% at %3%") % |
| 92 | location.m_Function % |
| 93 | subgraphIndex % |
| 94 | location.FileLine())); |
| 95 | } |
| 96 | else if (subgraphIndex >= model->subgraphs.size()) |
| 97 | { |
| 98 | throw ParseException( |
| 99 | boost::str( |
| 100 | boost::format("%1% was called with an invalid subgraph index. " |
| 101 | "subgraph:%2% at %3%") % |
| 102 | location.m_Function % |
| 103 | subgraphIndex % |
| 104 | location.FileLine())); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | #define CHECK_SUBGRAPH(MODEL, SUBGRAPH_INDEX) \ |
| 109 | CheckSubgraph(MODEL, SUBGRAPH_INDEX, CHECK_LOCATION()) |
| 110 | |
| 111 | void CheckModel(const TfLiteParser::ModelPtr & model, |
| 112 | size_t subgraphIndex, |
| 113 | size_t operatorIndex, |
| 114 | const CheckLocation & location) |
| 115 | { |
| 116 | if (model.get() == nullptr) |
| 117 | { |
| 118 | throw ParseException( |
| 119 | boost::str( |
| 120 | boost::format("%1% was called with invalid (null) model. " |
| 121 | "Possible reason is that the model is not yet loaded and Unpack(ed). " |
| 122 | "subgraph:%2% operator:%3% at %4%") % |
| 123 | location.m_Function % |
| 124 | subgraphIndex % |
| 125 | operatorIndex % |
| 126 | location.FileLine())); |
| 127 | } |
| 128 | else if (subgraphIndex >= model->subgraphs.size()) |
| 129 | { |
| 130 | throw ParseException( |
| 131 | boost::str( |
| 132 | boost::format("%1% was called with an invalid subgraph index. " |
| 133 | "subgraph:%2% operator:%3% at %4%") % |
| 134 | location.m_Function % |
| 135 | subgraphIndex % |
| 136 | operatorIndex % |
| 137 | location.FileLine())); |
| 138 | } |
| 139 | else if (operatorIndex >= model->subgraphs[subgraphIndex]->operators.size() && |
| 140 | operatorIndex != VIRTUAL_OPERATOR_ID) |
| 141 | { |
| 142 | throw ParseException( |
| 143 | boost::str( |
| 144 | boost::format("%1% was called with an invalid operator index. " |
| 145 | "subgraph:%2% operator:%3% at %4%") % |
| 146 | location.m_Function % |
| 147 | subgraphIndex % |
| 148 | operatorIndex % |
| 149 | location.FileLine())); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | #define CHECK_MODEL(MODEL, SUBGRAPH_INDEX, OPERATOR_INDEX) \ |
| 154 | CheckModel(MODEL, SUBGRAPH_INDEX, OPERATOR_INDEX, CHECK_LOCATION()) |
| 155 | |
| 156 | void CheckTensor(const TfLiteParser::ModelPtr & model, |
| 157 | size_t subgraphIndex, |
| 158 | size_t tensorIndex, |
| 159 | const CheckLocation & location) |
| 160 | { |
| 161 | // not checking model, because I assume CHECK_MODEL already run |
| 162 | // and checked that. An assert would do. |
| 163 | BOOST_ASSERT_MSG(model.get() != nullptr, "Expecting a valid model in this function"); |
| 164 | |
| 165 | // also subgraph index should be checked by CHECK_MODEL so |
| 166 | // I only add an assert here |
| 167 | BOOST_ASSERT_MSG(subgraphIndex < model->subgraphs.size(), "Expecting a valid subgraph index"); |
| 168 | |
| 169 | // the tensor index is the only one to check here |
| 170 | if (tensorIndex >= model->subgraphs[subgraphIndex]->tensors.size()) |
| 171 | { |
| 172 | throw ParseException( |
| 173 | boost::str( |
| 174 | boost::format("%1% was called with an invalid tensor index. " |
| 175 | "subgraph:%2% tensor:%3% at %4%") % |
| 176 | location.m_Function % |
| 177 | subgraphIndex % |
| 178 | tensorIndex % |
| 179 | location.FileLine())); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | #define CHECK_TENSOR(MODEL, SUBGRAPH_INDEX, TENSOR_INDEX) \ |
| 184 | CheckTensor(MODEL, SUBGRAPH_INDEX, TENSOR_INDEX, CHECK_LOCATION()) |
| 185 | |
| 186 | void CheckTensorPtr(TfLiteParser::TensorRawPtr rawPtr, |
| 187 | const CheckLocation & location) |
| 188 | { |
| 189 | if (rawPtr == nullptr) |
| 190 | { |
| 191 | throw ParseException( |
| 192 | boost::str( |
| 193 | boost::format("%1% was called with a null tensor pointer. " |
| 194 | "at %2%") % |
| 195 | location.m_Function % |
| 196 | location.FileLine())); |
| 197 | |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | #define CHECK_TENSOR_PTR(TENSOR_PTR) \ |
| 202 | CheckTensorPtr(TENSOR_PTR, CHECK_LOCATION()) |
| 203 | |
| 204 | void CheckBuffer(const TfLiteParser::ModelPtr & model, |
| 205 | size_t bufferIndex, |
| 206 | const CheckLocation & location) |
| 207 | { |
| 208 | if (model.get() == nullptr) |
| 209 | { |
| 210 | throw ParseException( |
| 211 | boost::str( |
| 212 | boost::format("%1% was called with invalid (null) model. " |
| 213 | "Possible reason is that the model is not yet loaded and Unpack(ed). " |
| 214 | "buffer:%2% at %3%") % |
| 215 | location.m_Function % |
| 216 | bufferIndex % |
| 217 | location.FileLine())); |
| 218 | } |
| 219 | else if (bufferIndex >= model->buffers.size()) |
| 220 | { |
| 221 | throw ParseException( |
| 222 | boost::str( |
| 223 | boost::format("%1% was called with an invalid buffer index. " |
| 224 | "buffer index:%2% at %3%") % |
| 225 | location.m_Function % |
| 226 | bufferIndex % |
| 227 | location.FileLine())); |
| 228 | } |
| 229 | else if (model->buffers[bufferIndex].get() == nullptr) |
| 230 | { |
| 231 | throw ParseException( |
| 232 | boost::str( |
| 233 | boost::format("The buffer #%1% is null. %3%") % |
| 234 | bufferIndex % |
| 235 | location.AsString())); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | #define CHECK_BUFFER(MODEL, BUFFER_INDEX) \ |
| 240 | CheckBuffer(MODEL, BUFFER_INDEX, CHECK_LOCATION()) |
| 241 | |
| 242 | void CheckBufferSize(TfLiteParser::BufferRawPtr bufferPtr, |
| 243 | const armnn::TensorInfo & tensorInfo, |
| 244 | uint32_t bufferId, |
| 245 | const CheckLocation & location) |
| 246 | { |
| 247 | if (bufferPtr == nullptr) |
| 248 | { |
| 249 | throw ParseException( |
| 250 | boost::str( |
| 251 | boost::format("BufferPtr is null for buffer:%1%. %2%") % |
| 252 | bufferId % |
| 253 | location.AsString())); |
| 254 | } |
| 255 | else if(tensorInfo.GetNumElements() > bufferPtr->data.size() || |
| 256 | tensorInfo.GetNumBytes() > bufferPtr->data.size()) |
| 257 | { |
| 258 | std::stringstream ss; |
| 259 | ss << "Buffer #" << bufferId << " has " << bufferPtr->data.size() << " bytes. " |
| 260 | << "For tensor: " << tensorInfo.GetShape() |
| 261 | << " expecting: " << tensorInfo.GetNumBytes() << " bytes and " |
| 262 | << tensorInfo.GetNumElements() << " elements. " << location.AsString(); |
| 263 | throw ParseException(ss.str()); |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | #define CHECK_BUFFER_SIZE(BUFFER_PTR, TENSOR_INFO, BUFFER_ID) \ |
| 268 | CheckBufferSize(BUFFER_PTR, TENSOR_INFO, BUFFER_ID, CHECK_LOCATION()) |
| 269 | |
| 270 | bool IsActivationSupported(tflite::ActivationFunctionType activationType) |
| 271 | { |
| 272 | switch(activationType) |
| 273 | { |
| 274 | case tflite::ActivationFunctionType_NONE: |
| 275 | case tflite::ActivationFunctionType_RELU: |
| 276 | case tflite::ActivationFunctionType_RELU6: |
| 277 | case tflite::ActivationFunctionType_TANH: |
| 278 | { |
| 279 | return true; |
| 280 | } |
| 281 | default: |
| 282 | { |
| 283 | return false; |
| 284 | } |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | #define CHECK_SUPPORTED_FUSED_ACTIVATION(OPTION, SUBGRAPH_INDEX, OPERATOR_INDEX) \ |
| 289 | do { \ |
| 290 | if (IsActivationSupported(OPTION->fused_activation_function) == false) \ |
| 291 | { \ |
| 292 | throw ParseException( \ |
| 293 | boost::str( \ |
| 294 | boost::format("TfLite parser doesn't suppport fused activation: " \ |
| 295 | "%1%/%2% in %3% subgraph:%4% operator:%5% at %6%") % \ |
| 296 | OPTION->fused_activation_function % \ |
| 297 | tflite::EnumNameActivationFunctionType(\ |
| 298 | OPTION->fused_activation_function) % \ |
| 299 | __func__ % \ |
| 300 | SUBGRAPH_INDEX % \ |
| 301 | OPERATOR_INDEX % \ |
| 302 | CHECK_LOCATION().FileLine())); \ |
| 303 | } \ |
| 304 | } while(false) |
| 305 | |
| 306 | |
| 307 | std::vector<unsigned int> AsUnsignedVector(const std::vector<int32_t> & in) |
| 308 | { |
| 309 | std::vector<unsigned int> result; |
| 310 | result.reserve(in.size()); |
| 311 | for (auto & i : in) |
| 312 | { |
| 313 | result.push_back(CHECKED_NON_NEGATIVE(i)); |
| 314 | } |
| 315 | return result; |
| 316 | } |
| 317 | |
| 318 | void CalcPadding(uint32_t inputSize, |
| 319 | uint32_t filterSize, |
| 320 | uint32_t stride, |
| 321 | uint32_t& paddingFront, |
| 322 | uint32_t& paddingBack, |
| 323 | tflite::Padding padding) |
| 324 | { |
| 325 | paddingFront = 0; |
| 326 | paddingBack = 0; |
| 327 | if (padding == tflite::Padding_SAME) |
| 328 | { |
| 329 | uint32_t outputSize = (inputSize + stride - 1) / stride; |
| 330 | uint32_t temp = (outputSize - 1) * stride + filterSize; |
| 331 | if (temp > inputSize) |
| 332 | { |
| 333 | paddingFront = (temp - inputSize) / 2; |
| 334 | paddingBack = (temp - inputSize) - paddingFront; |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | armnn::TensorInfo ToTensorInfo(TfLiteParser::TensorRawPtr tensorPtr) |
| 340 | { |
| 341 | armnn::DataType type; |
| 342 | CHECK_TENSOR_PTR(tensorPtr); |
| 343 | |
| 344 | switch (tensorPtr->type) |
| 345 | { |
| 346 | case tflite::TensorType_UINT8: |
| 347 | type = armnn::DataType::QuantisedAsymm8; |
| 348 | break; |
| 349 | case tflite::TensorType_FLOAT32: |
| 350 | type = armnn::DataType::Float32; |
| 351 | break; |
| 352 | case tflite::TensorType_INT32: |
| 353 | type = armnn::DataType::Signed32; |
| 354 | break; |
| 355 | |
| 356 | default: |
| 357 | { |
| 358 | CheckLocation location = CHECK_LOCATION(); |
| 359 | throw ParseException( |
| 360 | boost::str( |
| 361 | boost::format("Unsupported data type %1% = %2% for tensor: %3%. %4%") % |
| 362 | tensorPtr->type % |
| 363 | tflite::EnumNameTensorType(tensorPtr->type) % |
| 364 | tensorPtr->name % |
| 365 | location.AsString())); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | float quantizationScale = 0.0f; |
| 370 | int32_t quantizationOffset = 0; |
| 371 | |
| 372 | if (tensorPtr->quantization.get()) |
| 373 | { |
| 374 | CHECK_VALID_SIZE(tensorPtr->quantization->scale.size(), 0, 1); |
| 375 | CHECK_VALID_SIZE(tensorPtr->quantization->zero_point.size(), 0, 1); |
| 376 | |
| 377 | if (tensorPtr->quantization->scale.size() == 1) |
| 378 | { |
| 379 | quantizationScale = tensorPtr->quantization->scale[0]; |
| 380 | } |
| 381 | if (tensorPtr->quantization->zero_point.size() == 1) |
| 382 | { |
| 383 | // NOTE: we lose precision here when converting from 64 bit to 32 |
| 384 | // but this is what we support at the monent in ArmNN |
| 385 | quantizationOffset = static_cast<int32_t>(tensorPtr->quantization->zero_point[0]); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | auto const & dimensions = AsUnsignedVector(tensorPtr->shape); |
| 390 | |
| 391 | // two statements (on purpose) for easier debugging: |
| 392 | armnn::TensorInfo result(static_cast<unsigned int>(tensorPtr->shape.size()), |
| 393 | dimensions.data(), |
| 394 | type, |
| 395 | quantizationScale, |
| 396 | quantizationOffset); |
| 397 | return result; |
| 398 | } |
| 399 | |
| 400 | template<typename T> |
| 401 | std::pair<armnn::ConstTensor, std::unique_ptr<T[]>> |
| 402 | CreateConstTensorImpl(TfLiteParser::BufferRawPtr bufferPtr, |
| 403 | TfLiteParser::TensorRawPtr tensorPtr, |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 404 | armnn::TensorInfo& tensorInfo, |
| 405 | armnn::Optional<armnn::PermutationVector&> permutationVector) |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 406 | { |
| 407 | BOOST_ASSERT_MSG(tensorPtr != nullptr, "tensorPtr is null"); |
| 408 | BOOST_ASSERT_MSG(bufferPtr != nullptr, |
| 409 | boost::str( |
| 410 | boost::format("Buffer for buffer:%1% is null") % tensorPtr->buffer).c_str()); |
| 411 | |
| 412 | std::unique_ptr<T[]> data(new T[tensorInfo.GetNumElements()]); |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 413 | |
| 414 | if (permutationVector.has_value() && permutationVector.value().GetSize() > 0) |
| 415 | { |
| 416 | tensorInfo = armnnUtils::Permuted(tensorInfo, permutationVector.value()); |
Matteo Martincigh | d5b9e64 | 2019-01-04 18:01:21 +0000 | [diff] [blame] | 417 | armnnUtils::Permute(tensorInfo.GetShape(), permutationVector.value(), |
| 418 | reinterpret_cast<const T*>(bufferPtr->data.data()), data.get(), sizeof(T)); |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 419 | } |
| 420 | else |
| 421 | { |
| 422 | ::memcpy(data.get(), bufferPtr->data.data(), tensorInfo.GetNumBytes()); |
| 423 | } |
| 424 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 425 | return std::make_pair(ConstTensor(tensorInfo, data.get()), std::move(data)); |
| 426 | } |
| 427 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 428 | armnn::LayerBindingId GenerateLayerBindingId(size_t subgraphIndex, size_t tensorIndex) |
| 429 | { |
| 430 | // generate the binding id by shifting the tensor id by 8 bit |
| 431 | // and add the subgraph id, which allows 256 subgraphs |
| 432 | return static_cast<armnn::LayerBindingId>((tensorIndex<<8)+subgraphIndex); |
| 433 | } |
| 434 | |
| 435 | } // <anonymous> |
| 436 | |
| 437 | TfLiteParser::TfLiteParser() |
| 438 | : m_Network(nullptr, nullptr) |
| 439 | , m_ParserFunctions(tflite::BuiltinOperator_MAX+1, &TfLiteParser::ParseUnsupportedOperator) |
| 440 | { |
| 441 | // register supported operators |
| 442 | m_ParserFunctions[tflite::BuiltinOperator_AVERAGE_POOL_2D] = &TfLiteParser::ParseAveragePool2D; |
Sadik Armagan | 479045b | 2018-10-01 11:51:37 +0100 | [diff] [blame] | 443 | m_ParserFunctions[tflite::BuiltinOperator_CONCATENATION] = &TfLiteParser::ParseConcatenation; |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 444 | m_ParserFunctions[tflite::BuiltinOperator_CONV_2D] = &TfLiteParser::ParseConv2D; |
| 445 | m_ParserFunctions[tflite::BuiltinOperator_DEPTHWISE_CONV_2D] = &TfLiteParser::ParseDepthwiseConv2D; |
Sadik Armagan | 8853c1f | 2018-10-22 09:04:18 +0100 | [diff] [blame] | 446 | m_ParserFunctions[tflite::BuiltinOperator_FULLY_CONNECTED] = &TfLiteParser::ParseFullyConnected; |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 447 | m_ParserFunctions[tflite::BuiltinOperator_MAX_POOL_2D] = &TfLiteParser::ParseMaxPool2D; |
Sadik Armagan | 58f3919 | 2018-09-17 14:14:39 +0100 | [diff] [blame] | 448 | m_ParserFunctions[tflite::BuiltinOperator_RELU] = &TfLiteParser::ParseRelu; |
| 449 | m_ParserFunctions[tflite::BuiltinOperator_RELU6] = &TfLiteParser::ParseRelu6; |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 450 | m_ParserFunctions[tflite::BuiltinOperator_RESHAPE] = &TfLiteParser::ParseReshape; |
Sadik Armagan | 479045b | 2018-10-01 11:51:37 +0100 | [diff] [blame] | 451 | m_ParserFunctions[tflite::BuiltinOperator_SOFTMAX] = &TfLiteParser::ParseSoftmax; |
| 452 | m_ParserFunctions[tflite::BuiltinOperator_SQUEEZE] = &TfLiteParser::ParseSqueeze; |
Bruno Goncalves | d4ac6a4 | 2018-12-18 12:56:22 -0200 | [diff] [blame] | 453 | m_ParserFunctions[tflite::BuiltinOperator_ADD] = &TfLiteParser::ParseAdd; |
Bruno Goncalves | f803f78 | 2018-12-18 13:40:30 -0200 | [diff] [blame] | 454 | m_ParserFunctions[tflite::BuiltinOperator_MUL] = &TfLiteParser::ParseMul; |
Bruno Goncalves | 2235cee | 2018-12-19 12:51:45 -0200 | [diff] [blame^] | 455 | m_ParserFunctions[tflite::BuiltinOperator_MEAN] = &TfLiteParser::ParseMean; |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | void TfLiteParser::ResetParser() |
| 459 | { |
| 460 | m_Network = armnn::INetworkPtr(nullptr, nullptr); |
| 461 | m_Model = nullptr; |
| 462 | m_SubgraphConnections.clear(); |
| 463 | } |
| 464 | |
| 465 | INetworkPtr TfLiteParser::CreateNetworkFromBinaryFile(const char* graphFile) |
| 466 | { |
| 467 | ResetParser(); |
| 468 | m_Model = LoadModelFromFile(graphFile); |
| 469 | return CreateNetworkFromModel(); |
| 470 | } |
| 471 | |
| 472 | INetworkPtr TfLiteParser::CreateNetworkFromBinary(const std::vector<uint8_t> & binaryContent) |
| 473 | { |
| 474 | ResetParser(); |
| 475 | m_Model = LoadModelFromBinary(binaryContent.data(), binaryContent.size()); |
| 476 | return CreateNetworkFromModel(); |
| 477 | } |
| 478 | |
| 479 | INetworkPtr TfLiteParser::CreateNetworkFromModel() |
| 480 | { |
| 481 | m_Network = INetwork::Create(); |
| 482 | BOOST_ASSERT(m_Model.get() != nullptr); |
| 483 | |
| 484 | bool failedToCreate = false; |
| 485 | std::stringstream errors; |
| 486 | |
| 487 | if (m_Model->subgraphs.size() != 1) |
| 488 | { |
| 489 | throw ParseException( |
| 490 | boost::str( |
| 491 | boost::format("Current TfLite parser only supports 1 subgraph. Current one has: %1% %2%") % |
| 492 | m_Model->subgraphs.size() % |
| 493 | CHECK_LOCATION().AsString())); |
| 494 | } |
| 495 | |
| 496 | size_t subgraphIndex = 0; |
| 497 | for (SubGraphPtr const & subgraph : m_Model->subgraphs) |
| 498 | { |
| 499 | m_SubgraphConnections.emplace_back(subgraph->tensors.size()); |
| 500 | |
| 501 | size_t operatorIndex = 0; |
| 502 | for (OperatorPtr const & op : subgraph->operators) |
| 503 | { |
| 504 | try |
| 505 | { |
| 506 | if (op->custom_options.size() > 0) |
| 507 | { |
| 508 | throw ParseException( |
| 509 | boost::str( |
| 510 | boost::format("Custom options for op: %1% is not supported. " |
| 511 | "It has %2% bytes of custom options. %3%") % |
| 512 | op->opcode_index % |
| 513 | op->custom_options.size() % |
| 514 | CHECK_LOCATION().AsString())); |
| 515 | } |
| 516 | |
| 517 | auto const & opCodePtr = m_Model->operator_codes[op->opcode_index]; |
| 518 | auto builtinCode = opCodePtr->builtin_code; |
| 519 | |
| 520 | if (builtinCode > tflite::BuiltinOperator_MAX) |
| 521 | { |
| 522 | throw ParseException( |
| 523 | boost::str( |
| 524 | boost::format("Operator code %1% is out of range 0-%2%. " |
| 525 | "subgraph:%3% operator idx:%4%. %5%") % |
| 526 | builtinCode % |
| 527 | tflite::BuiltinOperator_MAX % |
| 528 | subgraphIndex % |
| 529 | operatorIndex % |
| 530 | CHECK_LOCATION().AsString())); |
| 531 | } |
| 532 | |
| 533 | // lookup and call the parser function |
| 534 | auto & parserFunction = m_ParserFunctions[builtinCode]; |
| 535 | (this->*parserFunction)(subgraphIndex, operatorIndex); |
| 536 | } |
| 537 | catch (const ParseException& e) |
| 538 | { |
| 539 | failedToCreate = true; |
| 540 | std::stringstream errorString; |
| 541 | |
| 542 | errorString << "Failed to parse operator #" << operatorIndex |
| 543 | << " within subgraph #" << subgraphIndex |
| 544 | << " error: " << e.what(); |
| 545 | BOOST_LOG_TRIVIAL(error) << errorString.str(); |
| 546 | |
| 547 | errors << errorString.str() << "\n"; |
| 548 | } |
| 549 | ++operatorIndex; |
| 550 | } |
| 551 | |
| 552 | SetupInputLayers(subgraphIndex); |
| 553 | SetupOutputLayers(subgraphIndex); |
| 554 | |
| 555 | ++subgraphIndex; |
| 556 | } |
| 557 | |
| 558 | if (failedToCreate) |
| 559 | { |
| 560 | // we can skip everything and let the outer exception handler deal with the error |
| 561 | throw ParseException(errors.str()); |
| 562 | } |
| 563 | |
| 564 | // establish the connections from the layer outputs to the inputs of the subsequent layers |
| 565 | for (size_t subgraphIndex = 0; subgraphIndex < m_SubgraphConnections.size(); ++subgraphIndex) |
| 566 | { |
| 567 | for (size_t tensorIndex = 0; tensorIndex < m_SubgraphConnections[subgraphIndex].size(); ++tensorIndex) |
| 568 | { |
| 569 | if (m_SubgraphConnections[subgraphIndex][tensorIndex].outputSlot != nullptr) |
| 570 | { |
| 571 | for (size_t inputSlotIdx = 0; |
| 572 | inputSlotIdx < m_SubgraphConnections[subgraphIndex][tensorIndex].inputSlots.size(); |
| 573 | ++inputSlotIdx) |
| 574 | { |
| 575 | m_SubgraphConnections[subgraphIndex][tensorIndex].outputSlot->Connect( |
| 576 | *(m_SubgraphConnections[subgraphIndex][tensorIndex].inputSlots[inputSlotIdx])); |
| 577 | } |
| 578 | } |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | return std::move(m_Network); |
| 583 | } |
| 584 | |
| 585 | void TfLiteParser::RegisterProducerOfTensor(size_t subgraphIndex, |
| 586 | size_t tensorIndex, |
| 587 | armnn::IOutputSlot* slot) |
| 588 | { |
| 589 | CHECK_TENSOR(m_Model, subgraphIndex, tensorIndex); |
| 590 | BOOST_ASSERT(m_SubgraphConnections.size() > subgraphIndex); |
| 591 | BOOST_ASSERT(m_SubgraphConnections[subgraphIndex].size() > tensorIndex); |
| 592 | |
| 593 | TensorSlots & tensorSlots = m_SubgraphConnections[subgraphIndex][tensorIndex]; |
| 594 | |
| 595 | // assuming there is only one producer for that tensor |
| 596 | if (tensorSlots.outputSlot != nullptr) |
| 597 | { |
| 598 | throw ParseException(boost::str( |
| 599 | boost::format("Another layer has already registered itself as the producer of " |
| 600 | "subgraph:%1% tensor:%2% %3%") % |
| 601 | subgraphIndex % |
| 602 | tensorIndex % |
| 603 | CHECK_LOCATION().AsString())); |
| 604 | } |
| 605 | |
| 606 | tensorSlots.outputSlot = slot; |
| 607 | } |
| 608 | |
| 609 | void TfLiteParser::RegisterConsumerOfTensor(size_t subgraphIndex, |
| 610 | size_t tensorIndex, |
| 611 | armnn::IInputSlot* slot) |
| 612 | { |
| 613 | CHECK_TENSOR(m_Model, subgraphIndex, tensorIndex); |
| 614 | BOOST_ASSERT(m_SubgraphConnections.size() > subgraphIndex); |
| 615 | BOOST_ASSERT(m_SubgraphConnections[subgraphIndex].size() > tensorIndex); |
| 616 | |
| 617 | TensorSlots & tensorSlots = m_SubgraphConnections[subgraphIndex][tensorIndex]; |
| 618 | tensorSlots.inputSlots.push_back(slot); |
| 619 | } |
| 620 | |
| 621 | void TfLiteParser::ParseUnsupportedOperator(size_t subgraphIndex, size_t operatorIndex) |
| 622 | { |
| 623 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 624 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 625 | // |
| 626 | auto opcodeIndex = operatorPtr->opcode_index; |
| 627 | auto opcode = m_Model->operator_codes[opcodeIndex]->builtin_code; |
| 628 | |
| 629 | throw ParseException( |
| 630 | boost::str( |
| 631 | boost::format("Operator not supported. " |
| 632 | "subgraph:%1% operator:%2% " |
| 633 | "opcode_index:%3% opcode:%4% / %5% %6%") % |
| 634 | subgraphIndex % |
| 635 | operatorIndex % |
| 636 | opcodeIndex % |
| 637 | opcode % |
| 638 | tflite::EnumNameBuiltinOperator(opcode) % |
| 639 | CHECK_LOCATION().AsString())); |
| 640 | } |
| 641 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 642 | void TfLiteParser::ParseConv2D(size_t subgraphIndex, size_t operatorIndex) |
| 643 | { |
| 644 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 645 | |
| 646 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 647 | const auto * options = operatorPtr->builtin_options.AsConv2DOptions(); |
| 648 | |
| 649 | CHECK_SUPPORTED_FUSED_ACTIVATION(options, subgraphIndex, operatorIndex); |
| 650 | |
| 651 | Convolution2dDescriptor desc; |
| 652 | desc.m_BiasEnabled = false; |
| 653 | desc.m_StrideX = CHECKED_NON_NEGATIVE(options->stride_w); |
| 654 | desc.m_StrideY = CHECKED_NON_NEGATIVE(options->stride_h); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 655 | desc.m_DataLayout = armnn::DataLayout::NHWC; |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 656 | |
| 657 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 658 | CHECK_VALID_SIZE(inputs.size(), 2, 3); |
| 659 | |
| 660 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 661 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 662 | |
| 663 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[0]); |
| 664 | armnn::TensorInfo filterTensorInfo = ToTensorInfo(inputs[1]); |
| 665 | |
| 666 | // assuming input is NHWC |
| 667 | unsigned int inputHeight = inputTensorInfo.GetShape()[1]; |
| 668 | unsigned int inputWidth = inputTensorInfo.GetShape()[2]; |
| 669 | |
| 670 | // assuming the filter is OHWI : Output, H, W, Input |
| 671 | // which is essentially the same as NHWC |
| 672 | unsigned int filterHeight = filterTensorInfo.GetShape()[1]; |
| 673 | unsigned int filterWidth = filterTensorInfo.GetShape()[2]; |
| 674 | |
| 675 | CalcPadding(inputHeight, filterHeight, desc.m_StrideY, desc.m_PadTop, desc.m_PadBottom, options->padding); |
| 676 | CalcPadding(inputWidth, filterWidth, desc.m_StrideX, desc.m_PadLeft, desc.m_PadRight, options->padding); |
| 677 | |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 678 | auto filterTensorAndData = CreateConstTensor(inputs[1], |
| 679 | filterTensorInfo, |
| 680 | armnn::Optional<armnn::PermutationVector&>()); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 681 | armnn::IConnectableLayer* layer; |
| 682 | |
| 683 | auto layerName = boost::str(boost::format("Conv2D:%1%:%2%") % subgraphIndex % operatorIndex); |
| 684 | |
| 685 | if (inputs.size() == 3) |
| 686 | { |
| 687 | desc.m_BiasEnabled = true; |
| 688 | armnn::TensorInfo biasTensorInfo = ToTensorInfo(inputs[2]); |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 689 | auto biasTensorAndData = CreateConstTensor(inputs[2], |
| 690 | biasTensorInfo, |
| 691 | armnn::Optional<armnn::PermutationVector&>()); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 692 | layer = m_Network->AddConvolution2dLayer(desc, |
| 693 | filterTensorAndData.first, |
| 694 | biasTensorAndData.first, |
| 695 | layerName.c_str()); |
| 696 | } |
| 697 | else |
| 698 | { |
| 699 | layer = m_Network->AddConvolution2dLayer(desc, |
| 700 | filterTensorAndData.first, |
| 701 | layerName.c_str()); |
| 702 | } |
| 703 | |
| 704 | BOOST_ASSERT(layer != nullptr); |
| 705 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 706 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 707 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 708 | |
| 709 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 710 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 711 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 712 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 713 | |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 714 | layer = AddFusedActivationLayer(layer, 0, options->fused_activation_function); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 715 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 716 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 717 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 718 | } |
| 719 | |
| 720 | void TfLiteParser::ParseDepthwiseConv2D(size_t subgraphIndex, size_t operatorIndex) |
| 721 | { |
| 722 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 723 | |
| 724 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 725 | const auto * options = operatorPtr->builtin_options.AsDepthwiseConv2DOptions(); |
| 726 | |
| 727 | CHECK_SUPPORTED_FUSED_ACTIVATION(options, subgraphIndex, operatorIndex); |
| 728 | |
| 729 | DepthwiseConvolution2dDescriptor desc; |
| 730 | desc.m_BiasEnabled = false; |
| 731 | desc.m_StrideX = CHECKED_NON_NEGATIVE(options->stride_w); |
| 732 | desc.m_StrideY = CHECKED_NON_NEGATIVE(options->stride_h); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 733 | desc.m_DataLayout = armnn::DataLayout::NHWC; |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 734 | // ACL only supports a depth (channel) multiplier of 1, it is not currently stored in the descriptor |
| 735 | CHECK_VALID_SIZE(CHECKED_NON_NEGATIVE(options->depth_multiplier), 1); |
| 736 | |
| 737 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 738 | CHECK_VALID_SIZE(inputs.size(), 2, 3); |
| 739 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 740 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 741 | |
| 742 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[0]); |
| 743 | armnn::TensorInfo filterTensorInfo = ToTensorInfo(inputs[1]); |
| 744 | |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 745 | // Assuming input is NHWC |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 746 | unsigned int inputHeight = inputTensorInfo.GetShape()[1]; |
| 747 | unsigned int inputWidth = inputTensorInfo.GetShape()[2]; |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 748 | |
| 749 | // TensorflowLite weights come in the format [1, H, W, I * M] |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 750 | unsigned int filterHeight = filterTensorInfo.GetShape()[1]; |
| 751 | unsigned int filterWidth = filterTensorInfo.GetShape()[2]; |
| 752 | |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 753 | // Reshape weights as [ H, W, I, M ] |
| 754 | filterTensorInfo.SetShape({ filterHeight, |
| 755 | filterWidth, |
| 756 | inputTensorInfo.GetShape()[3], |
| 757 | filterTensorInfo.GetShape()[3] / inputTensorInfo.GetShape()[3] }); |
| 758 | |
| 759 | // Mappings from TensorflowLite filter tensors to the ArmNN filter tensors (ArmNN weights have to be [M, I, H, W]) |
| 760 | PermutationVector permutationVector{ 2, 3, 1, 0 }; // [H, W, I, M] -> [M, I, H, W] |
| 761 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 762 | CalcPadding(inputHeight, filterHeight, desc.m_StrideY, desc.m_PadTop, desc.m_PadBottom, options->padding); |
| 763 | CalcPadding(inputWidth, filterWidth, desc.m_StrideX, desc.m_PadLeft, desc.m_PadRight, options->padding); |
| 764 | |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 765 | auto filterTensorAndData = CreateConstTensor(inputs[1], filterTensorInfo, permutationVector); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 766 | armnn::IConnectableLayer* layer; |
| 767 | auto layerName = boost::str(boost::format("DepthwiseConv2D:%1%:%2%") % subgraphIndex % operatorIndex); |
| 768 | |
| 769 | if (inputs.size() == 3) |
| 770 | { |
| 771 | desc.m_BiasEnabled = true; |
| 772 | TensorInfo biasTensorInfo = ToTensorInfo(inputs[2]); |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 773 | auto biasTensorAndData = CreateConstTensor(inputs[2], |
| 774 | biasTensorInfo, |
| 775 | armnn::Optional<armnn::PermutationVector&>()); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 776 | layer = m_Network->AddDepthwiseConvolution2dLayer(desc, |
| 777 | filterTensorAndData.first, |
| 778 | biasTensorAndData.first, |
| 779 | layerName.c_str()); |
| 780 | } |
| 781 | else |
| 782 | { |
| 783 | layer = m_Network->AddDepthwiseConvolution2dLayer(desc, |
| 784 | filterTensorAndData.first, |
| 785 | layerName.c_str()); |
| 786 | } |
| 787 | BOOST_ASSERT(layer != nullptr); |
| 788 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 789 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 790 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 791 | |
| 792 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 793 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 794 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 795 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 796 | |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 797 | layer = AddFusedActivationLayer(layer, 0, options->fused_activation_function); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 798 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 799 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 800 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 801 | } |
| 802 | |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 803 | void TfLiteParser::ParseAveragePool2D(size_t subgraphIndex, size_t operatorIndex) |
| 804 | { |
| 805 | ParsePool(subgraphIndex, operatorIndex, PoolingAlgorithm::Average); |
| 806 | } |
| 807 | |
| 808 | void TfLiteParser::ParseMaxPool2D(size_t subgraphIndex, size_t operatorIndex) |
| 809 | { |
| 810 | ParsePool(subgraphIndex, operatorIndex, PoolingAlgorithm::Max); |
| 811 | } |
| 812 | |
| 813 | void TfLiteParser::ParsePool(size_t subgraphIndex, |
| 814 | size_t operatorIndex, |
| 815 | PoolingAlgorithm algorithm) |
| 816 | { |
| 817 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 818 | |
| 819 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 820 | const auto * options = operatorPtr->builtin_options.AsPool2DOptions(); |
| 821 | |
| 822 | CHECK_SUPPORTED_FUSED_ACTIVATION(options, subgraphIndex, operatorIndex); |
| 823 | |
| 824 | std::string layerName; |
| 825 | |
| 826 | switch (algorithm) |
| 827 | { |
| 828 | case PoolingAlgorithm::Average: |
| 829 | layerName = |
| 830 | boost::str(boost::format("AveragePool2D:%1%:%2%") % subgraphIndex % operatorIndex); |
| 831 | break; |
| 832 | case PoolingAlgorithm::Max: |
| 833 | layerName = |
| 834 | boost::str(boost::format("MaxPool2D:%1%:%2%") % subgraphIndex % operatorIndex); |
| 835 | break; |
| 836 | default: |
| 837 | BOOST_ASSERT_MSG(false, "Unsupported Pooling Algorithm"); |
| 838 | } |
| 839 | |
| 840 | Pooling2dDescriptor desc; |
| 841 | |
| 842 | desc.m_PoolType = algorithm; |
| 843 | desc.m_StrideX = CHECKED_NON_NEGATIVE(options->stride_w); |
| 844 | desc.m_StrideY = CHECKED_NON_NEGATIVE(options->stride_h); |
| 845 | desc.m_PoolWidth = CHECKED_NON_NEGATIVE(options->filter_width); |
| 846 | desc.m_PoolHeight = CHECKED_NON_NEGATIVE(options->filter_height); |
| 847 | desc.m_PaddingMethod = PaddingMethod::Exclude; |
| 848 | desc.m_OutputShapeRounding = OutputShapeRounding::Floor; |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 849 | desc.m_DataLayout = armnn::DataLayout::NHWC; |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 850 | |
| 851 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 852 | CHECK_VALID_SIZE(inputs.size(), 1); |
| 853 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[0]); |
| 854 | |
| 855 | // assuming input is NHWC |
| 856 | unsigned int inputHeight = inputTensorInfo.GetShape()[1]; |
| 857 | unsigned int inputWidth = inputTensorInfo.GetShape()[2]; |
| 858 | |
| 859 | CalcPadding(inputHeight, desc.m_PoolHeight, desc.m_StrideY, desc.m_PadTop, desc.m_PadBottom, options->padding); |
| 860 | CalcPadding(inputWidth, desc.m_PoolWidth, desc.m_StrideX, desc.m_PadLeft, desc.m_PadRight, options->padding); |
| 861 | |
| 862 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 863 | CHECK_VALID_SIZE(outputs.size(), 1); |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 864 | |
| 865 | IConnectableLayer* layer = m_Network->AddPooling2dLayer(desc, layerName.c_str()); |
| 866 | |
| 867 | BOOST_ASSERT(layer != nullptr); |
| 868 | |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 869 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 870 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 871 | |
| 872 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 873 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 874 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 875 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 876 | |
jimfly01 | c25411c | 2018-11-14 17:47:22 +0000 | [diff] [blame] | 877 | layer = AddFusedActivationLayer(layer, 0, options->fused_activation_function); |
Nattapat Chaimanowong | b66504b | 2018-10-17 15:19:14 +0100 | [diff] [blame] | 878 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 879 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 880 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 881 | } |
| 882 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 883 | void TfLiteParser::ParseSoftmax(size_t subgraphIndex, size_t operatorIndex) |
| 884 | { |
| 885 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 886 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 887 | const auto * options = operatorPtr->builtin_options.AsSoftmaxOptions(); |
| 888 | |
| 889 | SoftmaxDescriptor desc; |
| 890 | desc.m_Beta = options->beta; |
| 891 | |
| 892 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 893 | CHECK_VALID_SIZE(inputs.size(), 1); |
| 894 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 895 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 896 | |
| 897 | auto layerName = boost::str(boost::format("Softmax:%1%:%2%") % subgraphIndex % operatorIndex); |
| 898 | IConnectableLayer* const layer = m_Network->AddSoftmaxLayer(desc, layerName.c_str()); |
| 899 | |
| 900 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 901 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 902 | |
| 903 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 904 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 905 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 906 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 907 | |
| 908 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 909 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 910 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 911 | } |
| 912 | |
| 913 | armnn::TensorInfo TfLiteParser::OutputShapeOfSqueeze(const std::vector<uint32_t> & squeezeDimsIn, |
| 914 | const armnn::TensorInfo & inputTensorInfo) |
| 915 | { |
| 916 | CHECK_VALID_SIZE(squeezeDimsIn.size(), 0, 1, 2, 3, 4); |
| 917 | std::vector<uint32_t> squeezeDims = squeezeDimsIn; |
| 918 | static const uint32_t dimensionSequence[] = { 0, 1, 2, 3 }; |
| 919 | |
| 920 | if (inputTensorInfo.GetNumDimensions() > 4) |
| 921 | { |
| 922 | std::stringstream ss; |
| 923 | ss << "Input tensor has unexpected number of dimensions:" << inputTensorInfo.GetNumDimensions() |
| 924 | << " shape:" << inputTensorInfo.GetShape() << " " |
| 925 | << CHECK_LOCATION().AsString(); |
| 926 | throw ParseException(ss.str()); |
| 927 | } |
| 928 | |
| 929 | if (squeezeDims.empty()) |
| 930 | { |
| 931 | squeezeDims.assign(dimensionSequence, |
| 932 | dimensionSequence+inputTensorInfo.GetNumDimensions()); |
| 933 | } |
| 934 | |
| 935 | std::vector<uint32_t> outputDims; |
| 936 | for(unsigned int i = 0; i < inputTensorInfo.GetNumDimensions(); i++) |
| 937 | { |
| 938 | bool skipSqueeze = (std::find(squeezeDims.begin(), squeezeDims.end(), i) == squeezeDims.end()); |
| 939 | auto currentDimension = inputTensorInfo.GetShape()[i]; |
| 940 | if (skipSqueeze || currentDimension != 1) |
| 941 | { |
| 942 | outputDims.push_back(currentDimension); |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | if (outputDims.size() > 4) |
| 947 | { |
| 948 | std::stringstream ss; |
| 949 | ss << "Output tensor has unexpected number of dimensions:" << inputTensorInfo.GetNumDimensions() |
| 950 | << " shape:" << inputTensorInfo.GetShape() << " " |
| 951 | << CHECK_LOCATION().AsString(); |
| 952 | throw ParseException(ss.str()); |
| 953 | } |
| 954 | |
| 955 | TensorShape outShape = TensorShape(static_cast<unsigned int>(outputDims.size()), |
| 956 | outputDims.data()); |
| 957 | |
| 958 | // we need to preserve the tensor type and the quantization data as well |
| 959 | TensorInfo outTensorInfo = inputTensorInfo; |
| 960 | outTensorInfo.SetShape(outShape); |
| 961 | |
| 962 | return outTensorInfo; |
| 963 | } |
| 964 | |
| 965 | void TfLiteParser::ParseSqueeze(size_t subgraphIndex, size_t operatorIndex) |
| 966 | { |
| 967 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 968 | |
| 969 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 970 | CHECK_VALID_SIZE(inputs.size(), 1); |
| 971 | |
| 972 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 973 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 974 | |
| 975 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 976 | const auto * options = operatorPtr->builtin_options.AsSqueezeOptions(); |
| 977 | |
| 978 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[0]); |
| 979 | armnn::TensorInfo outputTensorInfo = |
| 980 | TfLiteParser::OutputShapeOfSqueeze(AsUnsignedVector(options->squeeze_dims), |
| 981 | inputTensorInfo); |
| 982 | |
| 983 | ReshapeDescriptor reshapeDesc; |
| 984 | reshapeDesc.m_TargetShape = outputTensorInfo.GetShape(); |
| 985 | |
| 986 | auto layerName = boost::str(boost::format("Squeeze:%1%:%2%") % subgraphIndex % operatorIndex); |
| 987 | IConnectableLayer* layer = m_Network->AddReshapeLayer(reshapeDesc, layerName.c_str()); |
| 988 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 989 | |
| 990 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 991 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 992 | |
| 993 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 994 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 995 | } |
| 996 | |
Bruno Goncalves | d4ac6a4 | 2018-12-18 12:56:22 -0200 | [diff] [blame] | 997 | void TfLiteParser::ParseAdd(size_t subgraphIndex, size_t operatorIndex) |
| 998 | { |
| 999 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1000 | |
| 1001 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1002 | const auto * options = operatorPtr->builtin_options.AsAddOptions(); |
| 1003 | |
| 1004 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1005 | CHECK_VALID_SIZE(inputs.size(), 2); |
| 1006 | |
| 1007 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1008 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1009 | |
| 1010 | auto layerName = boost::str(boost::format("Add:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1011 | IConnectableLayer* layer = m_Network->AddAdditionLayer(layerName.c_str()); |
| 1012 | |
| 1013 | TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1014 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1015 | |
| 1016 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1017 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0], inputTensorIndexes[1]}); |
| 1018 | |
| 1019 | layer = AddFusedActivationLayer(layer, 0, options->fused_activation_function); |
| 1020 | |
| 1021 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1022 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1023 | } |
| 1024 | |
Bruno Goncalves | f803f78 | 2018-12-18 13:40:30 -0200 | [diff] [blame] | 1025 | void TfLiteParser::ParseMul(size_t subgraphIndex, size_t operatorIndex) |
| 1026 | { |
| 1027 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1028 | |
| 1029 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1030 | const auto * options = operatorPtr->builtin_options.AsMulOptions(); |
| 1031 | |
| 1032 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1033 | CHECK_VALID_SIZE(inputs.size(), 2); |
| 1034 | |
| 1035 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1036 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1037 | |
| 1038 | auto layerName = boost::str(boost::format("Mul:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1039 | IConnectableLayer* layer = m_Network->AddMultiplicationLayer(layerName.c_str()); |
| 1040 | |
| 1041 | TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1042 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1043 | |
| 1044 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1045 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0], inputTensorIndexes[1]}); |
| 1046 | |
| 1047 | layer = AddFusedActivationLayer(layer, 0, options->fused_activation_function); |
| 1048 | |
| 1049 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1050 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1051 | } |
| 1052 | |
Bruno Goncalves | 2235cee | 2018-12-19 12:51:45 -0200 | [diff] [blame^] | 1053 | void TfLiteParser::ParseMean(size_t subgraphIndex, size_t operatorIndex) |
| 1054 | { |
| 1055 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1056 | |
| 1057 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1058 | |
| 1059 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1060 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1061 | |
| 1062 | armnn::TensorInfo dimTensorInfo = ToTensorInfo(inputs[1]); |
| 1063 | BufferRawPtr bufferPtr = GetBuffer(m_Model, inputs[1]->buffer); |
| 1064 | |
| 1065 | armnn::MeanDescriptor desc; |
| 1066 | std::vector<unsigned int> axis(dimTensorInfo.GetNumElements()); |
| 1067 | ::memcpy(axis.data(), bufferPtr->data.data(), dimTensorInfo.GetNumBytes()); |
| 1068 | desc.m_Axis = axis; |
| 1069 | |
| 1070 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[0]); |
| 1071 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1072 | |
| 1073 | desc.m_KeepDims = |
| 1074 | inputTensorInfo.GetNumDimensions() == outputTensorInfo.GetNumDimensions() ? |
| 1075 | true : false; |
| 1076 | |
| 1077 | auto layerName = boost::str(boost::format("Mean:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1078 | IConnectableLayer* layer = m_Network->AddMeanLayer(desc, layerName.c_str()); |
| 1079 | |
| 1080 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1081 | |
| 1082 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1083 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 1084 | |
| 1085 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1086 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1087 | } |
| 1088 | |
Sadik Armagan | 58f3919 | 2018-09-17 14:14:39 +0100 | [diff] [blame] | 1089 | void TfLiteParser::ParseRelu(size_t subgraphIndex, size_t operatorIndex) |
| 1090 | { |
| 1091 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1092 | |
| 1093 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1094 | boost::ignore_unused(operatorPtr); |
| 1095 | |
| 1096 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1097 | CHECK_VALID_SIZE(inputs.size(), 1); |
| 1098 | |
| 1099 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1100 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1101 | |
| 1102 | auto layerName = str(boost::format("Activation:RELU:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1103 | ActivationDescriptor activationDesc; |
| 1104 | activationDesc.m_Function = ActivationFunction::ReLu; |
| 1105 | IConnectableLayer* const layer = |
| 1106 | m_Network->AddActivationLayer(activationDesc, layerName.c_str()); |
| 1107 | |
| 1108 | TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1109 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1110 | |
| 1111 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 1112 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 1113 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1114 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 1115 | |
| 1116 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 1117 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1118 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1119 | } |
| 1120 | |
| 1121 | void TfLiteParser::ParseRelu6(size_t subgraphIndex, size_t operatorIndex) |
| 1122 | { |
| 1123 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1124 | |
| 1125 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1126 | boost::ignore_unused(operatorPtr); |
| 1127 | |
| 1128 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1129 | CHECK_VALID_SIZE(inputs.size(), 1); |
| 1130 | |
| 1131 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1132 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1133 | |
| 1134 | auto layerName = str(boost::format("Activation:RELU6:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1135 | ActivationDescriptor activationDesc; |
| 1136 | activationDesc.m_Function = ActivationFunction::BoundedReLu; |
| 1137 | activationDesc.m_A = 6.0f; |
| 1138 | activationDesc.m_B = 0.0f; |
| 1139 | IConnectableLayer* const layer = |
| 1140 | m_Network->AddActivationLayer(activationDesc, layerName.c_str()); |
| 1141 | |
| 1142 | TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1143 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1144 | |
| 1145 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 1146 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 1147 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1148 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 1149 | |
| 1150 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 1151 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1152 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1153 | } |
| 1154 | |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 1155 | armnn::TensorInfo TfLiteParser::OutputShapeOfReshape(const armnn::TensorInfo & inputTensorInfo, |
| 1156 | const std::vector<int32_t> & targetDimsIn) |
| 1157 | { |
| 1158 | std::vector<unsigned int> outputDims(targetDimsIn.begin(), targetDimsIn.end()); |
| 1159 | const auto stretchDim = std::find(targetDimsIn.begin(), targetDimsIn.end(), -1); |
| 1160 | |
| 1161 | if (stretchDim != targetDimsIn.end()) |
| 1162 | { |
| 1163 | if (std::find(std::next(stretchDim), targetDimsIn.end(), -1) != targetDimsIn.end()) |
| 1164 | { |
| 1165 | throw ParseException( |
| 1166 | boost::str( |
| 1167 | boost::format("At most one component of shape can be -1 %1%") % CHECK_LOCATION().AsString())); |
| 1168 | } |
| 1169 | |
| 1170 | auto targetNumElements = |
| 1171 | boost::numeric_cast<unsigned int>( |
| 1172 | std::accumulate(targetDimsIn.begin(), targetDimsIn.end(), -1, std::multiplies<int32_t>())); |
| 1173 | |
| 1174 | auto stretchIndex = static_cast<size_t>(std::distance(targetDimsIn.begin(), stretchDim)); |
| 1175 | outputDims[stretchIndex] = inputTensorInfo.GetNumElements() / targetNumElements; |
| 1176 | } |
| 1177 | |
| 1178 | TensorShape outputShape = TensorShape(static_cast<unsigned int>(outputDims.size()), outputDims.data()); |
| 1179 | |
| 1180 | TensorInfo reshapeInfo = inputTensorInfo; |
| 1181 | reshapeInfo.SetShape(outputShape); |
| 1182 | |
| 1183 | return reshapeInfo; |
| 1184 | } |
| 1185 | |
| 1186 | void TfLiteParser::ParseReshape(size_t subgraphIndex, size_t operatorIndex) |
| 1187 | { |
| 1188 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1189 | |
| 1190 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 1191 | |
| 1192 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1193 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1194 | |
| 1195 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1196 | const auto * options = operatorPtr->builtin_options.AsReshapeOptions(); |
| 1197 | |
| 1198 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[0]); |
kevmay01 | 71972a8 | 2018-12-17 14:28:03 +0000 | [diff] [blame] | 1199 | armnn::TensorInfo actualOutputTensorInfo = ToTensorInfo(outputs[0]); |
| 1200 | armnn::TensorInfo reshapeOutputTensorInfo = |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 1201 | TfLiteParser::OutputShapeOfReshape(inputTensorInfo, options->new_shape); |
| 1202 | |
kevmay01 | 71972a8 | 2018-12-17 14:28:03 +0000 | [diff] [blame] | 1203 | // Check for valid input size and that reshape parameters equal output shape |
| 1204 | if (inputs.size() > 1 && (options->new_shape != outputs[0]->shape)) |
| 1205 | { |
| 1206 | std::stringstream ss; |
| 1207 | ss << "New shape defined in reshape parameters " |
| 1208 | << reshapeOutputTensorInfo.GetShape() |
| 1209 | << " does not equal output shape " |
| 1210 | << actualOutputTensorInfo.GetShape() |
| 1211 | << ": " |
| 1212 | << CHECK_LOCATION().AsString(); |
| 1213 | throw ParseException(ss.str()); |
| 1214 | } |
| 1215 | |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 1216 | ReshapeDescriptor reshapeDesc; |
kevmay01 | 71972a8 | 2018-12-17 14:28:03 +0000 | [diff] [blame] | 1217 | reshapeDesc.m_TargetShape = reshapeOutputTensorInfo.GetShape(); |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 1218 | |
| 1219 | auto layerName = boost::str(boost::format("Reshape:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1220 | IConnectableLayer* layer = m_Network->AddReshapeLayer(reshapeDesc, layerName.c_str()); |
kevmay01 | 71972a8 | 2018-12-17 14:28:03 +0000 | [diff] [blame] | 1221 | layer->GetOutputSlot(0).SetTensorInfo(reshapeOutputTensorInfo); |
Sadik | b94967b | 2018-09-19 15:30:00 +0100 | [diff] [blame] | 1222 | |
| 1223 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1224 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 1225 | |
| 1226 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1227 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1228 | } |
| 1229 | |
Sadik Armagan | 479045b | 2018-10-01 11:51:37 +0100 | [diff] [blame] | 1230 | void TfLiteParser::ParseConcatenation(size_t subgraphIndex, size_t operatorIndex) |
| 1231 | { |
| 1232 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1233 | |
| 1234 | const auto & operatorPtr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1235 | const auto * options = operatorPtr->builtin_options.AsConcatenationOptions(); |
| 1236 | |
| 1237 | CHECK_SUPPORTED_FUSED_ACTIVATION(options, subgraphIndex, operatorIndex); |
| 1238 | |
| 1239 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1240 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1241 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1242 | |
| 1243 | unsigned int numInputs = static_cast<unsigned int>(inputs.size()); |
| 1244 | unsigned int numConcatView = numInputs; |
| 1245 | |
| 1246 | OriginsDescriptor concatDescriptor(static_cast<uint32_t>(numConcatView), MaxNumOfTensorDimensions); |
| 1247 | std::vector<unsigned int>mergeDimSizes(MaxNumOfTensorDimensions, 0u); |
| 1248 | |
| 1249 | unsigned int mergeDim = 0; |
| 1250 | |
| 1251 | // This concatDim indicates the data format: 3 is the NHWC, 1 is the NCHW. |
| 1252 | // axis could also be negative numbers. Negative axis are interpreted as counting from the end of the rank, |
| 1253 | // i.e., axis + rank(values)-th dimension. |
| 1254 | int32_t inputRank = static_cast<int32_t>(ToTensorInfo(inputs[0]).GetNumDimensions()); |
| 1255 | const unsigned int concatDimInput = static_cast<unsigned int>((inputRank + options->axis) % inputRank); |
| 1256 | |
| 1257 | // ArmNN supports concatenation along the channel dimension for data formats NHWC and NCHW. |
| 1258 | if (concatDimInput == 0 || concatDimInput == 2) |
| 1259 | { |
| 1260 | throw ParseException( |
| 1261 | boost::str( |
| 1262 | boost::format( |
| 1263 | "Dimension %1% for concatenation is not supported by Armnn. " |
| 1264 | "Node %2%") |
| 1265 | % concatDimInput |
| 1266 | % CHECK_LOCATION().AsString())); |
| 1267 | } |
| 1268 | |
| 1269 | for (unsigned int viewIndex = 0; viewIndex < numConcatView; ++viewIndex) |
| 1270 | { |
| 1271 | TensorInfo inputTensorInfo = ToTensorInfo(inputs[viewIndex]); |
| 1272 | |
| 1273 | // process the input tensor info |
| 1274 | armnnUtils::ProcessConcatInputTensorInfo(inputTensorInfo, concatDescriptor, |
| 1275 | concatDimInput, viewIndex, mergeDimSizes, mergeDim); |
| 1276 | } |
| 1277 | |
| 1278 | auto layerName = boost::str(boost::format("Concatenation:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1279 | IConnectableLayer* layer = m_Network->AddMergerLayer(concatDescriptor, layerName.c_str()); |
| 1280 | |
| 1281 | BOOST_ASSERT(layer != nullptr); |
| 1282 | |
| 1283 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1284 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1285 | if (concatDimInput == 3) |
| 1286 | { |
| 1287 | // Adding Fused Activation Layer after this moment.... |
| 1288 | for (unsigned int viewIndex = 0; viewIndex < numConcatView; ++viewIndex) |
| 1289 | { |
| 1290 | // add permute layers to swizzle the inputs |
| 1291 | armnn::TensorInfo inputTensorInfo = ToTensorInfo(inputs[viewIndex]); |
| 1292 | IConnectableLayer* const swizzleLayer = SwizzleIn(*m_Network, layer, viewIndex, inputTensorInfo); |
| 1293 | |
| 1294 | BOOST_ASSERT(swizzleLayer != nullptr); |
| 1295 | |
| 1296 | // register the input connection slots for the layer |
| 1297 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 1298 | RegisterInputSlots(subgraphIndex, operatorIndex, swizzleLayer, {inputTensorIndexes[viewIndex]}); |
| 1299 | } |
| 1300 | |
| 1301 | // add permute layer to deswizzle the output |
| 1302 | IConnectableLayer* const deswizzleLayer = DeswizzleOut(*m_Network, layer, 0, outputTensorInfo); |
| 1303 | |
| 1304 | // add fused activation layer after the trailing swizzle layer |
| 1305 | layer = AddFusedActivationLayer(deswizzleLayer, 0, options->fused_activation_function); |
| 1306 | } |
| 1307 | else |
| 1308 | { |
| 1309 | // set the layer output tensor info |
| 1310 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1311 | |
| 1312 | // register the input connection slots for the layer, connections are made after all layers have been created |
| 1313 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 1314 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes}); |
| 1315 | } |
| 1316 | |
| 1317 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 1318 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1319 | RegisterOutputSlots(subgraphIndex, operatorIndex, layer, {outputTensorIndexes[0]}); |
| 1320 | } |
| 1321 | |
Sadik Armagan | 8853c1f | 2018-10-22 09:04:18 +0100 | [diff] [blame] | 1322 | void TfLiteParser::ParseFullyConnected(size_t subgraphIndex, size_t operatorIndex) |
| 1323 | { |
| 1324 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1325 | |
| 1326 | const auto & operatorRfr = m_Model->subgraphs[subgraphIndex]->operators[operatorIndex]; |
| 1327 | const auto options = operatorRfr->builtin_options.AsFullyConnectedOptions(); |
| 1328 | |
| 1329 | CHECK_SUPPORTED_FUSED_ACTIVATION(options, subgraphIndex, operatorIndex); |
| 1330 | |
| 1331 | FullyConnectedDescriptor desc; |
| 1332 | desc.m_BiasEnabled = false; |
Nattapat Chaimanowong | d8eee59 | 2018-10-26 10:24:14 +0100 | [diff] [blame] | 1333 | desc.m_TransposeWeightMatrix = true; |
Sadik Armagan | 8853c1f | 2018-10-22 09:04:18 +0100 | [diff] [blame] | 1334 | |
| 1335 | auto inputs = GetInputs(m_Model, subgraphIndex, operatorIndex); |
| 1336 | auto outputs = GetOutputs(m_Model, subgraphIndex, operatorIndex); |
| 1337 | CHECK_VALID_SIZE(outputs.size(), 1); |
| 1338 | |
| 1339 | armnn::TensorInfo filterTensorInfo = ToTensorInfo(inputs[1]); |
| 1340 | |
| 1341 | // Fully Connected Layer accepts two dimensional weights input |
| 1342 | int32_t weightsDimension = static_cast<int32_t>(filterTensorInfo.GetNumDimensions()); |
| 1343 | if (weightsDimension != 2) |
| 1344 | { |
| 1345 | throw ParseException( |
| 1346 | boost::str( |
| 1347 | boost::format( |
| 1348 | "Dimension %1% for Fully Connected weights is not supported by Armnn. " |
| 1349 | "Node %2%") |
| 1350 | % weightsDimension |
| 1351 | % CHECK_LOCATION().AsString())); |
| 1352 | } |
| 1353 | |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1354 | auto filterTensorAndData = CreateConstTensor(inputs[1], |
| 1355 | filterTensorInfo, |
| 1356 | armnn::Optional<armnn::PermutationVector&>()); |
Sadik Armagan | 8853c1f | 2018-10-22 09:04:18 +0100 | [diff] [blame] | 1357 | armnn::IConnectableLayer* layer; |
| 1358 | auto layerName = boost::str(boost::format("FullyConnected:%1%:%2%") % subgraphIndex % operatorIndex); |
| 1359 | |
| 1360 | if (inputs.size() == 3) |
| 1361 | { |
| 1362 | desc.m_BiasEnabled = true; |
| 1363 | TensorInfo biasTensorInfo = ToTensorInfo(inputs[2]); |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1364 | auto biasTensorAndData = CreateConstTensor(inputs[2], |
| 1365 | biasTensorInfo, |
| 1366 | armnn::Optional<armnn::PermutationVector&>()); |
Sadik Armagan | 8853c1f | 2018-10-22 09:04:18 +0100 | [diff] [blame] | 1367 | layer = m_Network->AddFullyConnectedLayer(desc, |
| 1368 | filterTensorAndData.first, |
| 1369 | biasTensorAndData.first, |
| 1370 | layerName.c_str()); |
| 1371 | } |
| 1372 | else |
| 1373 | { |
| 1374 | layer = m_Network->AddFullyConnectedLayer(desc, |
| 1375 | filterTensorAndData.first, |
| 1376 | layerName.c_str()); |
| 1377 | } |
| 1378 | BOOST_ASSERT(layer != nullptr); |
| 1379 | |
| 1380 | armnn::TensorInfo outputTensorInfo = ToTensorInfo(outputs[0]); |
| 1381 | layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); |
| 1382 | |
| 1383 | // register the input connection slot for the layer |
| 1384 | // only the tensors for the inputs are relevant, exclude the const tensors |
| 1385 | auto inputTensorIndexes = AsUnsignedVector(GetInputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1386 | RegisterInputSlots(subgraphIndex, operatorIndex, layer, {inputTensorIndexes[0]}); |
| 1387 | |
| 1388 | // we need to add the activation layer and fortunately we don't need to care about the data layout |
| 1389 | armnn::IConnectableLayer* fusedActivationLayer = AddFusedActivationLayer(layer, 0, |
| 1390 | options->fused_activation_function); |
| 1391 | // register the output connection slots for the layer, connections are made after all layers have been created |
| 1392 | auto outputTensorIndexes = AsUnsignedVector(GetOutputTensorIds(m_Model, subgraphIndex, operatorIndex)); |
| 1393 | RegisterOutputSlots(subgraphIndex, operatorIndex, fusedActivationLayer, {outputTensorIndexes[0]}); |
| 1394 | } |
| 1395 | |
Sadik Armagan | 58f3919 | 2018-09-17 14:14:39 +0100 | [diff] [blame] | 1396 | armnn::IConnectableLayer* TfLiteParser::AddFusedActivationLayer(armnn::IConnectableLayer* prevLayer, |
| 1397 | unsigned int outputSlot, |
| 1398 | tflite::ActivationFunctionType activationType) |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1399 | { |
| 1400 | ActivationDescriptor activationDesc; |
| 1401 | std::string layerName = prevLayer->GetName(); |
| 1402 | |
| 1403 | switch(activationType) |
| 1404 | { |
| 1405 | case tflite::ActivationFunctionType_NONE: |
| 1406 | { |
| 1407 | // this is a no-op: return previous layer |
| 1408 | return prevLayer; |
| 1409 | } |
| 1410 | case tflite::ActivationFunctionType_RELU: |
| 1411 | { |
| 1412 | activationDesc.m_Function = ActivationFunction::ReLu; |
| 1413 | layerName += ":RELU"; |
| 1414 | break; |
| 1415 | } |
| 1416 | case tflite::ActivationFunctionType_RELU6: |
| 1417 | { |
| 1418 | activationDesc.m_Function = ActivationFunction::BoundedReLu; |
| 1419 | activationDesc.m_A = 6.0f; |
| 1420 | activationDesc.m_B = 0.0f; |
| 1421 | layerName += ":RELU6"; |
| 1422 | break; |
| 1423 | } |
| 1424 | case tflite::ActivationFunctionType_TANH: |
| 1425 | { |
| 1426 | activationDesc.m_Function = ActivationFunction::TanH; |
| 1427 | activationDesc.m_A = 1.0f; |
| 1428 | activationDesc.m_B = 1.0f; |
| 1429 | layerName += ":TANH"; |
| 1430 | break; |
| 1431 | } |
| 1432 | |
| 1433 | // I only put these here as a reminder what others we could support |
| 1434 | case tflite::ActivationFunctionType_RELU_N1_TO_1: |
| 1435 | case tflite::ActivationFunctionType_SIGN_BIT: |
| 1436 | default: |
| 1437 | { |
| 1438 | throw ParseException( |
| 1439 | boost::str( |
| 1440 | boost::format("TfLite parser doesn't suppport fused activation: " |
| 1441 | "%1%/%2% %3% ") % |
| 1442 | activationType % |
| 1443 | tflite::EnumNameActivationFunctionType(activationType) % |
| 1444 | CHECK_LOCATION().AsString())); |
| 1445 | |
| 1446 | } |
| 1447 | } |
| 1448 | |
| 1449 | IConnectableLayer* activationLayer = |
| 1450 | m_Network->AddActivationLayer(activationDesc, layerName.c_str()); |
| 1451 | |
| 1452 | auto & prevOutputSlot = prevLayer->GetOutputSlot(outputSlot); |
| 1453 | prevOutputSlot.Connect(activationLayer->GetInputSlot(0)); |
| 1454 | activationLayer->GetOutputSlot(0).SetTensorInfo(prevOutputSlot.GetTensorInfo()); |
| 1455 | return activationLayer; |
| 1456 | } |
| 1457 | |
| 1458 | TfLiteParser::ModelPtr TfLiteParser::LoadModelFromFile(const char * fileName) |
| 1459 | { |
| 1460 | if (fileName == nullptr) |
| 1461 | { |
| 1462 | throw InvalidArgumentException(boost::str(boost::format("Invalid (null) file name %1%") % |
| 1463 | CHECK_LOCATION().AsString())); |
| 1464 | } |
| 1465 | boost::system::error_code errorCode; |
| 1466 | boost::filesystem::path pathToFile(fileName); |
| 1467 | if (!boost::filesystem::exists(pathToFile, errorCode)) |
| 1468 | { |
| 1469 | throw FileNotFoundException(boost::str(boost::format("Cannot find the file (%1%) errorCode: %2% %3%") % |
| 1470 | fileName % |
| 1471 | errorCode % |
| 1472 | CHECK_LOCATION().AsString())); |
| 1473 | } |
| 1474 | std::ifstream file(fileName, std::ios::binary); |
| 1475 | std::string fileContent((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>()); |
| 1476 | return LoadModelFromBinary(reinterpret_cast<const uint8_t *>(fileContent.c_str()), |
| 1477 | fileContent.size()); |
| 1478 | } |
| 1479 | |
| 1480 | TfLiteParser::ModelPtr TfLiteParser::LoadModelFromBinary(const uint8_t * binaryContent, size_t len) |
| 1481 | { |
| 1482 | if (binaryContent == nullptr) |
| 1483 | { |
| 1484 | throw InvalidArgumentException(boost::str(boost::format("Invalid (null) binary content %1%") % |
| 1485 | CHECK_LOCATION().AsString())); |
| 1486 | } |
| 1487 | flatbuffers::Verifier verifier(binaryContent, len); |
| 1488 | if (verifier.VerifyBuffer<tflite::Model>() == false) |
| 1489 | { |
| 1490 | throw ParseException( |
| 1491 | boost::str(boost::format("Buffer doesn't conform to the expected Tensorflow Lite " |
| 1492 | "flatbuffers format. size:%1% %2%") % |
| 1493 | len % |
| 1494 | CHECK_LOCATION().AsString())); |
| 1495 | } |
| 1496 | return tflite::UnPackModel(binaryContent); |
| 1497 | } |
| 1498 | |
| 1499 | TfLiteParser::TensorRawPtrVector TfLiteParser::GetInputs(const ModelPtr & model, |
| 1500 | size_t subgraphIndex, |
| 1501 | size_t operatorIndex) |
| 1502 | { |
| 1503 | CHECK_MODEL(model, subgraphIndex, operatorIndex); |
| 1504 | |
| 1505 | const auto & subGraphPtr = model->subgraphs[subgraphIndex]; |
| 1506 | const auto & operatorPtr = subGraphPtr->operators[operatorIndex]; |
| 1507 | |
| 1508 | size_t inputCount = operatorPtr->inputs.size(); |
| 1509 | TensorRawPtrVector result(inputCount); |
| 1510 | for (size_t i=0; i<inputCount; ++i) |
| 1511 | { |
| 1512 | uint32_t inputId = CHECKED_NON_NEGATIVE(operatorPtr->inputs[i]); |
| 1513 | result[i] = subGraphPtr->tensors[inputId].get(); |
| 1514 | } |
| 1515 | return result; |
| 1516 | } |
| 1517 | |
| 1518 | TfLiteParser::TensorRawPtrVector TfLiteParser::GetOutputs(const ModelPtr & model, |
| 1519 | size_t subgraphIndex, |
| 1520 | size_t operatorIndex) |
| 1521 | { |
| 1522 | CHECK_MODEL(model, subgraphIndex, operatorIndex); |
| 1523 | |
| 1524 | const auto & subGraphPtr = model->subgraphs[subgraphIndex]; |
| 1525 | const auto & operatorPtr = subGraphPtr->operators[operatorIndex]; |
| 1526 | |
| 1527 | size_t outputCount = operatorPtr->outputs.size(); |
| 1528 | TensorRawPtrVector result(outputCount); |
| 1529 | for (size_t i=0; i<outputCount; ++i) |
| 1530 | { |
| 1531 | uint32_t outputId = CHECKED_NON_NEGATIVE(operatorPtr->outputs[i]); |
| 1532 | CHECK_TENSOR(model, subgraphIndex, outputId); |
| 1533 | result[i] = subGraphPtr->tensors[outputId].get(); |
| 1534 | } |
| 1535 | return result; |
| 1536 | } |
| 1537 | |
| 1538 | TfLiteParser::TensorIdRawPtrVector TfLiteParser::GetSubgraphInputs(const ModelPtr & model, |
| 1539 | size_t subgraphIndex) |
| 1540 | { |
| 1541 | CHECK_SUBGRAPH(model, subgraphIndex); |
| 1542 | const auto & subGraphPtr = model->subgraphs[subgraphIndex]; |
| 1543 | |
| 1544 | size_t inputCount = subGraphPtr->inputs.size(); |
| 1545 | TensorIdRawPtrVector result(inputCount); |
| 1546 | for (size_t i=0; i<inputCount; ++i) |
| 1547 | { |
| 1548 | uint32_t inputId = CHECKED_NON_NEGATIVE(subGraphPtr->inputs[i]); |
| 1549 | CHECK_TENSOR(model, subgraphIndex, inputId); |
| 1550 | result[i] = std::make_pair(inputId, subGraphPtr->tensors[inputId].get()); |
| 1551 | } |
| 1552 | return result; |
| 1553 | } |
| 1554 | |
| 1555 | TfLiteParser::TensorIdRawPtrVector TfLiteParser::GetSubgraphOutputs(const ModelPtr & model, |
| 1556 | size_t subgraphIndex) |
| 1557 | { |
| 1558 | CHECK_SUBGRAPH(model, subgraphIndex); |
| 1559 | const auto & subGraphPtr = model->subgraphs[subgraphIndex]; |
| 1560 | |
| 1561 | size_t outputCount = subGraphPtr->outputs.size(); |
| 1562 | TensorIdRawPtrVector result(outputCount); |
| 1563 | for (size_t i=0; i<outputCount; ++i) |
| 1564 | { |
| 1565 | uint32_t outputId = CHECKED_NON_NEGATIVE(subGraphPtr->outputs[i]); |
| 1566 | result[i] = std::make_pair(outputId, subGraphPtr->tensors[outputId].get()); |
| 1567 | } |
| 1568 | return result; |
| 1569 | } |
| 1570 | |
| 1571 | std::vector<int32_t>& TfLiteParser::GetInputTensorIds(const ModelPtr& model, |
| 1572 | size_t subgraphIndex, |
| 1573 | size_t operatorIndex) |
| 1574 | { |
| 1575 | CHECK_MODEL(model, subgraphIndex, operatorIndex); |
| 1576 | const auto & subGraphPtr = model->subgraphs[subgraphIndex]; |
| 1577 | const auto & operatorPtr = subGraphPtr->operators[operatorIndex]; |
| 1578 | return operatorPtr->inputs; |
| 1579 | } |
| 1580 | |
| 1581 | std::vector<int32_t>& TfLiteParser::GetOutputTensorIds(const ModelPtr& model, |
| 1582 | size_t subgraphIndex, |
| 1583 | size_t operatorIndex) |
| 1584 | { |
| 1585 | CHECK_MODEL(model, subgraphIndex, operatorIndex); |
| 1586 | const auto & subGraphPtr = model->subgraphs[subgraphIndex]; |
| 1587 | const auto & operatorPtr = subGraphPtr->operators[operatorIndex]; |
| 1588 | return operatorPtr->outputs; |
| 1589 | } |
| 1590 | |
| 1591 | void TfLiteParser::RegisterInputSlots(size_t subgraphIndex, |
| 1592 | size_t operatorIndex, |
| 1593 | IConnectableLayer* layer, |
| 1594 | const std::vector<unsigned int>& tensorIndexes) |
| 1595 | { |
| 1596 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1597 | BOOST_ASSERT(layer != nullptr); |
| 1598 | if (tensorIndexes.size() != layer->GetNumInputSlots()) |
| 1599 | { |
| 1600 | throw ParseException( |
| 1601 | boost::str(boost::format("The number of tensor inputs (%1%) does not match the number expected (%2%)" |
| 1602 | " for subgraph:%3% operator index:%4% %5%") % |
| 1603 | tensorIndexes.size() % |
| 1604 | layer->GetNumInputSlots() % |
| 1605 | subgraphIndex % |
| 1606 | operatorIndex % |
| 1607 | CHECK_LOCATION().AsString())); |
| 1608 | } |
| 1609 | |
| 1610 | for (unsigned int slotIndex = 0; slotIndex < layer->GetNumInputSlots(); ++slotIndex) |
| 1611 | { |
| 1612 | unsigned int tensorIndex = tensorIndexes[slotIndex]; |
| 1613 | armnn::IInputSlot* slot = &(layer->GetInputSlot(slotIndex)); |
| 1614 | RegisterConsumerOfTensor(subgraphIndex, tensorIndex, slot); |
| 1615 | } |
| 1616 | } |
| 1617 | |
| 1618 | void TfLiteParser::RegisterOutputSlots(size_t subgraphIndex, |
| 1619 | size_t operatorIndex, |
| 1620 | IConnectableLayer* layer, |
| 1621 | const std::vector<unsigned int>& tensorIndexes) |
| 1622 | { |
| 1623 | CHECK_MODEL(m_Model, subgraphIndex, operatorIndex); |
| 1624 | BOOST_ASSERT(layer != nullptr); |
| 1625 | if (tensorIndexes.size() != layer->GetNumOutputSlots()) |
| 1626 | { |
| 1627 | throw ParseException( |
| 1628 | boost::str(boost::format("The number of tensor outputs (%1%) does not match the number expected (%2%)" |
| 1629 | " for subgraph:%3% operator index:%4% %5%") % |
| 1630 | tensorIndexes.size() % |
| 1631 | layer->GetNumOutputSlots() % |
| 1632 | subgraphIndex % |
| 1633 | operatorIndex % |
| 1634 | CHECK_LOCATION().AsString())); |
| 1635 | } |
| 1636 | |
| 1637 | for (unsigned int slotIndex = 0; slotIndex < layer->GetNumOutputSlots(); ++slotIndex) |
| 1638 | { |
| 1639 | unsigned int tensorIndex = tensorIndexes[slotIndex]; |
| 1640 | armnn::IOutputSlot* slot = &(layer->GetOutputSlot(slotIndex)); |
| 1641 | RegisterProducerOfTensor(subgraphIndex, tensorIndex, slot); |
| 1642 | } |
| 1643 | } |
| 1644 | |
| 1645 | void TfLiteParser::SetupInputLayers(size_t subgraphIndex) |
| 1646 | { |
| 1647 | CHECK_SUBGRAPH(m_Model, subgraphIndex); |
| 1648 | |
| 1649 | auto inputs = GetSubgraphInputs(m_Model, subgraphIndex); |
| 1650 | for (auto const & tensorIdAndPtr : inputs) |
| 1651 | { |
| 1652 | auto bindingId = GenerateLayerBindingId(subgraphIndex, tensorIdAndPtr.first); |
| 1653 | IConnectableLayer* layer = |
| 1654 | m_Network->AddInputLayer(bindingId, tensorIdAndPtr.second->name.c_str()); |
| 1655 | |
| 1656 | auto tensorInfo = ToTensorInfo(tensorIdAndPtr.second); |
| 1657 | layer->GetOutputSlot(0).SetTensorInfo(tensorInfo); |
| 1658 | |
| 1659 | RegisterOutputSlots(subgraphIndex, |
| 1660 | VIRTUAL_OPERATOR_ID, |
| 1661 | layer, |
| 1662 | { static_cast<uint32_t>(tensorIdAndPtr.first) }); |
| 1663 | } |
| 1664 | } |
| 1665 | |
| 1666 | void TfLiteParser::SetupOutputLayers(size_t subgraphIndex) |
| 1667 | { |
| 1668 | CHECK_SUBGRAPH(m_Model, subgraphIndex); |
| 1669 | |
| 1670 | auto outputs = GetSubgraphOutputs(m_Model, subgraphIndex); |
| 1671 | for (auto const & tensorIdAndPtr : outputs) |
| 1672 | { |
| 1673 | auto bindingId = GenerateLayerBindingId(subgraphIndex, tensorIdAndPtr.first); |
| 1674 | IConnectableLayer* layer = |
| 1675 | m_Network->AddOutputLayer(bindingId, tensorIdAndPtr.second->name.c_str()); |
| 1676 | |
| 1677 | RegisterInputSlots(subgraphIndex, |
| 1678 | VIRTUAL_OPERATOR_ID, |
| 1679 | layer, |
| 1680 | { static_cast<uint32_t>(tensorIdAndPtr.first) }); |
| 1681 | } |
| 1682 | } |
| 1683 | |
| 1684 | // example usage: BufferRawPtr bufferPtr = GetBuffer(m_Model, inputs[0]->buffer); |
| 1685 | TfLiteParser::BufferRawPtr TfLiteParser::GetBuffer(const ModelPtr& model, size_t bufferIndex) |
| 1686 | { |
| 1687 | CHECK_BUFFER(model, bufferIndex); |
| 1688 | return model->buffers[bufferIndex].get(); |
| 1689 | } |
| 1690 | |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1691 | template<typename T> |
| 1692 | std::pair<armnn::ConstTensor, TfLiteParser::SupportedDataStorage> |
| 1693 | TfLiteParser::CreateConstTensorAndStoreData(TfLiteParser::BufferRawPtr bufferPtr, |
| 1694 | TfLiteParser::TensorRawPtr tensorPtr, |
| 1695 | armnn::TensorInfo& tensorInfo, |
| 1696 | armnn::Optional<armnn::PermutationVector&> permutationVector) |
| 1697 | { |
| 1698 | auto constData = CreateConstTensorImpl<T>(bufferPtr, |
| 1699 | tensorPtr, |
| 1700 | tensorInfo, |
| 1701 | permutationVector); |
| 1702 | TfLiteParser::SupportedDataStorage storage(std::move(constData.second)); |
| 1703 | return std::make_pair(constData.first, std::move(storage)); |
| 1704 | } |
| 1705 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1706 | std::pair<armnn::ConstTensor, TfLiteParser::SupportedDataStorage> |
| 1707 | TfLiteParser::CreateConstTensor(TensorRawPtr tensorPtr, |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1708 | armnn::TensorInfo& tensorInfo, |
| 1709 | armnn::Optional<armnn::PermutationVector&> permutationVector) |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1710 | { |
| 1711 | CHECK_TENSOR_PTR(tensorPtr); |
| 1712 | auto bufferPtr = GetBuffer(m_Model, tensorPtr->buffer); |
| 1713 | CHECK_BUFFER_SIZE(bufferPtr, tensorInfo, tensorPtr->buffer); |
| 1714 | |
| 1715 | switch (tensorInfo.GetDataType()) |
| 1716 | { |
| 1717 | case armnn::DataType::Float32: |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1718 | return CreateConstTensorAndStoreData<float>(bufferPtr, |
| 1719 | tensorPtr, |
| 1720 | tensorInfo, |
| 1721 | permutationVector); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1722 | case armnn::DataType::QuantisedAsymm8: |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1723 | return CreateConstTensorAndStoreData<uint8_t>(bufferPtr, |
| 1724 | tensorPtr, |
| 1725 | tensorInfo, |
| 1726 | permutationVector); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1727 | case armnn::DataType::Signed32: |
Matteo Martincigh | 747ef82 | 2018-12-18 09:26:39 +0000 | [diff] [blame] | 1728 | return CreateConstTensorAndStoreData<int32_t>(bufferPtr, |
| 1729 | tensorPtr, |
| 1730 | tensorInfo, |
| 1731 | permutationVector); |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1732 | default: |
| 1733 | { |
| 1734 | std::stringstream errString; |
| 1735 | errString << "Unexpected datatype when creating const tensor: " |
| 1736 | << armnn::GetDataTypeName(tensorInfo.GetDataType()) |
| 1737 | << " shape:" << tensorInfo.GetShape() |
| 1738 | << CHECK_LOCATION().AsString(); |
| 1739 | throw ParseException(errString.str()); |
| 1740 | } |
| 1741 | } |
| 1742 | } |
| 1743 | |
| 1744 | BindingPointInfo TfLiteParser::GetNetworkInputBindingInfo(size_t subgraphId, |
| 1745 | const std::string& name) const |
| 1746 | { |
| 1747 | CHECK_SUBGRAPH(m_Model, subgraphId); |
| 1748 | auto inputs = GetSubgraphInputs(m_Model, subgraphId); |
| 1749 | for (auto const & input : inputs) |
| 1750 | { |
| 1751 | if (input.second->name == name) |
| 1752 | { |
| 1753 | auto bindingId = GenerateLayerBindingId(subgraphId, input.first); |
| 1754 | return std::make_pair(bindingId, ToTensorInfo(input.second)); |
| 1755 | } |
| 1756 | } |
| 1757 | |
| 1758 | std::stringstream bindings; |
| 1759 | for (auto const & input : inputs) |
| 1760 | { |
| 1761 | bindings << "'" << input.second->name << "' "; |
| 1762 | } |
| 1763 | |
| 1764 | throw ParseException( |
| 1765 | boost::str( |
| 1766 | boost::format("No input binding found for subgraph:%1% and name:%2%. " |
| 1767 | "Possible inputs are: [%3%] %4%") % |
| 1768 | subgraphId % |
| 1769 | name % |
| 1770 | bindings.str() % |
| 1771 | CHECK_LOCATION().AsString())); |
| 1772 | } |
| 1773 | |
| 1774 | BindingPointInfo TfLiteParser::GetNetworkOutputBindingInfo(size_t subgraphId, |
| 1775 | const std::string& name) const |
| 1776 | { |
| 1777 | CHECK_SUBGRAPH(m_Model, subgraphId); |
| 1778 | auto outputs = GetSubgraphOutputs(m_Model, subgraphId); |
| 1779 | for (auto const & output : outputs) |
| 1780 | { |
| 1781 | if (output.second->name == name) |
| 1782 | { |
| 1783 | auto bindingId = GenerateLayerBindingId(subgraphId, output.first); |
| 1784 | return std::make_pair(bindingId, ToTensorInfo(output.second)); |
| 1785 | } |
| 1786 | } |
| 1787 | |
| 1788 | std::stringstream bindings; |
| 1789 | for (auto const & output : outputs) |
| 1790 | { |
| 1791 | bindings << "'" << output.second->name << "' "; |
| 1792 | } |
| 1793 | |
| 1794 | throw ParseException( |
| 1795 | boost::str( |
| 1796 | boost::format("No output binding found for subgraph:%1% and name:%2%. " |
| 1797 | "Possible outputs are: [%3%] %4%") % |
| 1798 | subgraphId % |
| 1799 | name % |
| 1800 | bindings.str() % |
| 1801 | CHECK_LOCATION().AsString())); |
| 1802 | } |
| 1803 | |
| 1804 | size_t TfLiteParser::GetSubgraphCount() const |
| 1805 | { |
| 1806 | return m_Model->subgraphs.size(); |
| 1807 | } |
| 1808 | |
| 1809 | std::vector<std::string> TfLiteParser::GetSubgraphInputTensorNames(size_t subgraphId) const |
| 1810 | { |
| 1811 | CHECK_SUBGRAPH(m_Model, subgraphId); |
| 1812 | auto inputs = GetSubgraphInputs(m_Model, subgraphId); |
| 1813 | std::vector<std::string> result; |
| 1814 | result.reserve(inputs.size()); |
| 1815 | for (auto const & input : inputs) |
| 1816 | { |
| 1817 | result.push_back(input.second->name); |
| 1818 | } |
| 1819 | return result; |
| 1820 | } |
| 1821 | |
| 1822 | std::vector<std::string> TfLiteParser::GetSubgraphOutputTensorNames(size_t subgraphId) const |
| 1823 | { |
| 1824 | CHECK_SUBGRAPH(m_Model, subgraphId); |
| 1825 | auto outputs = GetSubgraphOutputs(m_Model, subgraphId); |
| 1826 | std::vector<std::string> result; |
| 1827 | result.reserve(outputs.size()); |
| 1828 | for (auto const & output : outputs) |
| 1829 | { |
| 1830 | result.push_back(output.second->name); |
| 1831 | } |
| 1832 | return result; |
| 1833 | } |
| 1834 | |
| 1835 | ITfLiteParser* ITfLiteParser::CreateRaw() |
| 1836 | { |
| 1837 | return new TfLiteParser(); |
| 1838 | } |
| 1839 | |
| 1840 | ITfLiteParserPtr ITfLiteParser::Create() |
| 1841 | { |
| 1842 | return ITfLiteParserPtr(CreateRaw(), &ITfLiteParser::Destroy); |
| 1843 | } |
| 1844 | |
| 1845 | void ITfLiteParser::Destroy(ITfLiteParser* parser) |
| 1846 | { |
| 1847 | delete parser; |
| 1848 | } |
| 1849 | |
| 1850 | TfLiteParser::SupportedDataStorage::SupportedDataStorage(std::unique_ptr<float[]> && data) |
| 1851 | : m_FloatData(std::move(data)) |
| 1852 | , m_Uint8Data(nullptr) |
| 1853 | , m_Int32Data(nullptr) |
| 1854 | { |
| 1855 | } |
| 1856 | |
| 1857 | TfLiteParser::SupportedDataStorage::SupportedDataStorage(std::unique_ptr<uint8_t[]> && data) |
| 1858 | : m_FloatData(nullptr) |
| 1859 | , m_Uint8Data(std::move(data)) |
| 1860 | , m_Int32Data(nullptr) |
| 1861 | { |
| 1862 | } |
| 1863 | |
| 1864 | TfLiteParser::SupportedDataStorage::SupportedDataStorage(std::unique_ptr<int32_t[]> && data) |
| 1865 | : m_FloatData(nullptr) |
| 1866 | , m_Uint8Data(nullptr) |
| 1867 | , m_Int32Data(std::move(data)) |
| 1868 | { |
| 1869 | } |
| 1870 | |
| 1871 | } // armnnTfLiteParser |