1 //
2 // Copyright © 2017,2019-2023 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #include "Serializer.hpp"
6 #include "SerializerUtils.hpp"
7
8 #include <armnn/Descriptors.hpp>
9 #include <armnn/LstmParams.hpp>
10 #include <armnn/QuantizedLstmParams.hpp>
11 #include <armnn/utility/IgnoreUnused.hpp>
12 #include <armnn/utility/NumericCast.hpp>
13
14 #include <fmt/format.h>
15 #include <iostream>
16
17 using namespace armnn;
18 namespace fb = flatbuffers;
19 namespace serializer = armnnSerializer;
20
21 namespace armnnSerializer
22 {
23
ISerializer()24 ISerializer::ISerializer() : pSerializerImpl(new SerializerImpl())
25 {
26 }
27
28 ISerializer::~ISerializer() = default;
29
CreateRaw()30 ISerializer* ISerializer::CreateRaw()
31 {
32 return new ISerializer();
33 }
34
Create()35 ISerializerPtr ISerializer::Create()
36 {
37 return ISerializerPtr(CreateRaw(), &ISerializer::Destroy);
38 }
39
Destroy(ISerializer * serializer)40 void ISerializer::Destroy(ISerializer* serializer)
41 {
42 delete serializer;
43 }
44
Serialize(const armnn::INetwork & inNetwork)45 void ISerializer::Serialize(const armnn::INetwork& inNetwork)
46 {
47 pSerializerImpl->Serialize(inNetwork);
48 }
49
SaveSerializedToStream(std::ostream & stream)50 bool ISerializer::SaveSerializedToStream(std::ostream& stream)
51 {
52 return pSerializerImpl->SaveSerializedToStream(stream);
53 }
54
GetFlatBufferActivationFunction(armnn::ActivationFunction function)55 serializer::ActivationFunction GetFlatBufferActivationFunction(armnn::ActivationFunction function)
56 {
57 switch (function)
58 {
59 case armnn::ActivationFunction::Sigmoid:
60 return serializer::ActivationFunction::ActivationFunction_Sigmoid;
61 case armnn::ActivationFunction::TanH:
62 return serializer::ActivationFunction::ActivationFunction_TanH;
63 case armnn::ActivationFunction::Linear:
64 return serializer::ActivationFunction::ActivationFunction_Linear;
65 case armnn::ActivationFunction::ReLu:
66 return serializer::ActivationFunction::ActivationFunction_ReLu;
67 case armnn::ActivationFunction::BoundedReLu:
68 return serializer::ActivationFunction::ActivationFunction_BoundedReLu;
69 case armnn::ActivationFunction::LeakyReLu:
70 return serializer::ActivationFunction::ActivationFunction_LeakyReLu;
71 case armnn::ActivationFunction::Abs:
72 return serializer::ActivationFunction::ActivationFunction_Abs;
73 case armnn::ActivationFunction::Sqrt:
74 return serializer::ActivationFunction::ActivationFunction_Sqrt;
75 case armnn::ActivationFunction::Square:
76 return serializer::ActivationFunction::ActivationFunction_Square;
77 case armnn::ActivationFunction::Elu:
78 return serializer::ActivationFunction::ActivationFunction_Elu;
79 case armnn::ActivationFunction::HardSwish:
80 return serializer::ActivationFunction::ActivationFunction_HardSwish;
81 default:
82 return serializer::ActivationFunction::ActivationFunction_Sigmoid;
83 }
84 }
85
GetFlatBufferArgMinMaxFunction(armnn::ArgMinMaxFunction function)86 serializer::ArgMinMaxFunction GetFlatBufferArgMinMaxFunction(armnn::ArgMinMaxFunction function)
87 {
88 switch (function)
89 {
90 case armnn::ArgMinMaxFunction::Max:
91 return serializer::ArgMinMaxFunction::ArgMinMaxFunction_Max;
92 case armnn::ArgMinMaxFunction::Min:
93 default:
94 return serializer::ArgMinMaxFunction::ArgMinMaxFunction_Min;
95 }
96 }
97
GetSerializedId(LayerGuid guid)98 uint32_t SerializerStrategy::GetSerializedId(LayerGuid guid)
99 {
100 if (m_guidMap.empty())
101 {
102 m_guidMap.insert(std::make_pair(guid, m_layerId));
103 }
104 else if (m_guidMap.find(guid) == m_guidMap.end())
105 {
106 ++m_layerId;
107 m_guidMap.insert(std::make_pair(guid, m_layerId));
108
109 return m_layerId;
110 }
111 return m_guidMap[guid];
112 }
113
114 // Build FlatBuffer for Input Layer
SerializeInputLayer(const armnn::IConnectableLayer * layer,LayerBindingId id,const char * name)115 void SerializerStrategy::SerializeInputLayer(const armnn::IConnectableLayer* layer, LayerBindingId id, const char* name)
116 {
117 IgnoreUnused(name);
118
119 // Create FlatBuffer BaseLayer
120 auto flatBufferInputBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Input);
121
122 // Create FlatBuffer BindableBaseLayer
123 auto flatBufferInputBindableBaseLayer = serializer::CreateBindableLayerBase(m_flatBufferBuilder,
124 flatBufferInputBaseLayer,
125 id);
126 // Push layer binding id to outputIds.
127 m_inputIds.push_back(id);
128
129 // Create the FlatBuffer InputLayer
130 auto flatBufferInputLayer = serializer::CreateInputLayer(m_flatBufferBuilder, flatBufferInputBindableBaseLayer);
131
132 // Add the AnyLayer to the FlatBufferLayers
133 CreateAnyLayer(flatBufferInputLayer.o, serializer::Layer::Layer_InputLayer);
134 }
135
136 // Build FlatBuffer for Output Layer
SerializeOutputLayer(const armnn::IConnectableLayer * layer,LayerBindingId id,const char * name)137 void SerializerStrategy::SerializeOutputLayer(const armnn::IConnectableLayer* layer,
138 LayerBindingId id, const char* name)
139 {
140 IgnoreUnused(name);
141
142 // Create FlatBuffer BaseLayer
143 auto flatBufferOutputBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Output);
144
145 // Create FlatBuffer BindableBaseLayer
146 auto flatBufferOutputBindableBaseLayer = serializer::CreateBindableLayerBase(m_flatBufferBuilder,
147 flatBufferOutputBaseLayer,
148 id);
149 // Push layer binding id to outputIds.
150 m_outputIds.push_back(id);
151
152 // Create the FlatBuffer OutputLayer
153 auto flatBufferOutputLayer = serializer::CreateOutputLayer(m_flatBufferBuilder, flatBufferOutputBindableBaseLayer);
154 // Add the AnyLayer to the FlatBufferLayers
155 CreateAnyLayer(flatBufferOutputLayer.o, serializer::Layer::Layer_OutputLayer);
156 }
157
158 // Build FlatBuffer for Activation Layer
SerializeActivationLayer(const armnn::IConnectableLayer * layer,const armnn::ActivationDescriptor & descriptor,const char * name)159 void SerializerStrategy::SerializeActivationLayer(const armnn::IConnectableLayer* layer,
160 const armnn::ActivationDescriptor& descriptor,
161 const char* name)
162 {
163 IgnoreUnused(name);
164
165 // Create FlatBuffer BaseLayer
166 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Activation);
167
168 // Create the FlatBuffer ActivationDescriptor
169 auto flatBufferDescriptor = CreateActivationDescriptor(m_flatBufferBuilder,
170 GetFlatBufferActivationFunction(descriptor.m_Function),
171 descriptor.m_A,
172 descriptor.m_B);
173
174 // Create the FlatBuffer ActivationLayer
175 auto flatBufferAdditionLayer = CreateActivationLayer(m_flatBufferBuilder,
176 flatBufferBaseLayer,
177 flatBufferDescriptor);
178
179 // Add the AnyLayer to the FlatBufferLayers
180 CreateAnyLayer(flatBufferAdditionLayer.o, serializer::Layer::Layer_ActivationLayer);
181 }
182
183 // Build FlatBuffer for Addition Layer
SerializeAdditionLayer(const armnn::IConnectableLayer * layer,const char * name)184 void SerializerStrategy::SerializeAdditionLayer(const armnn::IConnectableLayer* layer, const char* name)
185 {
186 IgnoreUnused(name);
187
188 // Create FlatBuffer BaseLayer
189 auto flatBufferAdditionBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Addition);
190
191 // Create the FlatBuffer AdditionLayer
192 auto flatBufferAdditionLayer = serializer::CreateAdditionLayer(m_flatBufferBuilder, flatBufferAdditionBaseLayer);
193
194 // Add the AnyLayer to the FlatBufferLayers
195 CreateAnyLayer(flatBufferAdditionLayer.o, serializer::Layer::Layer_AdditionLayer);
196 }
197
198 // Build FlatBuffer for ArgMinMax Layer
SerializeArgMinMaxLayer(const armnn::IConnectableLayer * layer,const armnn::ArgMinMaxDescriptor & descriptor,const char * name)199 void SerializerStrategy::SerializeArgMinMaxLayer(const armnn::IConnectableLayer *layer,
200 const armnn::ArgMinMaxDescriptor& descriptor,
201 const char *name)
202 {
203 IgnoreUnused(name);
204
205 // Create FlatBuffer BaseLayer
206 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_ArgMinMax);
207
208 // Create FlatBuffer Descriptor
209 auto flatBufferDescriptor = CreateArgMinMaxDescriptor(m_flatBufferBuilder,
210 GetFlatBufferArgMinMaxFunction(descriptor.m_Function),
211 descriptor.m_Axis);
212
213 // Create FlatBuffer ArgMinMaxLayer
214 auto flatBufferLayer = CreateArgMinMaxLayer(m_flatBufferBuilder,
215 flatBufferBaseLayer,
216 flatBufferDescriptor);
217
218 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_ArgMinMaxLayer);
219 }
220
SerializeBatchMatMulLayer(const armnn::IConnectableLayer * layer,const armnn::BatchMatMulDescriptor & descriptor,const char * name)221 void SerializerStrategy::SerializeBatchMatMulLayer(const armnn::IConnectableLayer* layer,
222 const armnn::BatchMatMulDescriptor& descriptor,
223 const char* name)
224 {
225 IgnoreUnused(name);
226
227 // Create FlatBuffer BaseLayer
228 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_BatchMatMul);
229
230 // Create the FlatBuffer BatchMatMulDescriptor
231 auto flatBufferDescriptor = CreateBatchMatMulDescriptor(m_flatBufferBuilder,
232 descriptor.m_TransposeX,
233 descriptor.m_TransposeY,
234 descriptor.m_AdjointX,
235 descriptor.m_AdjointY,
236 GetFlatBufferDataLayout(descriptor.m_DataLayoutX),
237 GetFlatBufferDataLayout(descriptor.m_DataLayoutY));
238
239 // Create the FlatBuffer BatchMatMulLayer
240 auto flatBufferBatchMatMulLayer = CreateBatchMatMulLayer(m_flatBufferBuilder,
241 flatBufferBaseLayer,
242 flatBufferDescriptor);
243
244 // Add the AnyLayer to the FlatBufferLayers
245 CreateAnyLayer(flatBufferBatchMatMulLayer.o, serializer::Layer::Layer_BatchMatMulLayer);
246 }
247
248 // Build FlatBuffer for BatchToSpaceNd Layer
SerializeBatchToSpaceNdLayer(const armnn::IConnectableLayer * layer,const armnn::BatchToSpaceNdDescriptor & descriptor,const char * name)249 void SerializerStrategy::SerializeBatchToSpaceNdLayer(const armnn::IConnectableLayer* layer,
250 const armnn::BatchToSpaceNdDescriptor& descriptor,
251 const char* name)
252 {
253 IgnoreUnused(name);
254
255 // Create FlatBuffer BaseLayer
256 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_BatchToSpaceNd);
257
258 std::vector<unsigned int> crops;
259 crops.reserve(descriptor.m_Crops.size() * 2);
260 for (auto& crop : descriptor.m_Crops)
261 {
262 crops.push_back(crop.first);
263 crops.push_back(crop.second);
264 }
265
266 auto flatBufferDescriptor =
267 CreateBatchToSpaceNdDescriptor(m_flatBufferBuilder,
268 m_flatBufferBuilder.CreateVector(descriptor.m_BlockShape),
269 m_flatBufferBuilder.CreateVector(crops),
270 GetFlatBufferDataLayout(descriptor.m_DataLayout));
271
272 auto flatBufferLayer = serializer::CreateBatchToSpaceNdLayer(m_flatBufferBuilder,
273 flatBufferBaseLayer,
274 flatBufferDescriptor);
275
276 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_BatchToSpaceNdLayer);
277 }
278
SerializeBatchNormalizationLayer(const armnn::IConnectableLayer * layer,const armnn::BatchNormalizationDescriptor & batchNormDescriptor,const std::vector<armnn::ConstTensor> & constants,const char * name)279 void SerializerStrategy::SerializeBatchNormalizationLayer(
280 const armnn::IConnectableLayer* layer,
281 const armnn::BatchNormalizationDescriptor& batchNormDescriptor,
282 const std::vector<armnn::ConstTensor>& constants,
283 const char* name)
284 {
285 IgnoreUnused(name);
286
287 const armnn::ConstTensor& mean = constants[0];
288 const armnn::ConstTensor& variance = constants[1];
289 const armnn::ConstTensor& beta = constants[2];
290 const armnn::ConstTensor& gamma = constants[3];
291
292 auto fbBatchNormalizationBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_BatchNormalization);
293 auto fbBatchNormalizationDescriptor = serializer::CreateBatchNormalizationDescriptor(
294 m_flatBufferBuilder,
295 batchNormDescriptor.m_Eps,
296 GetFlatBufferDataLayout(batchNormDescriptor.m_DataLayout));
297
298 auto fbMeanConstTensorInfo = CreateConstTensorInfo(mean);
299 auto fbVarianceConstTensorInfo = CreateConstTensorInfo(variance);
300 auto fbBetaConstTensorInfo = CreateConstTensorInfo(beta);
301 auto fbGammaConstTensorInfo = CreateConstTensorInfo(gamma);
302 auto fbBatchNormalizationLayer = serializer::CreateBatchNormalizationLayer(m_flatBufferBuilder,
303 fbBatchNormalizationBaseLayer,
304 fbBatchNormalizationDescriptor,
305 fbMeanConstTensorInfo,
306 fbVarianceConstTensorInfo,
307 fbBetaConstTensorInfo,
308 fbGammaConstTensorInfo);
309
310 CreateAnyLayer(fbBatchNormalizationLayer.o, serializer::Layer::Layer_BatchNormalizationLayer);
311 }
312
SerializeCastLayer(const armnn::IConnectableLayer * layer,const char * name)313 void SerializerStrategy::SerializeCastLayer(const armnn::IConnectableLayer* layer,
314 const char* name)
315 {
316 IgnoreUnused(name);
317
318 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Cast);
319 auto fbCastLayer = serializer::CreateCastLayer(m_flatBufferBuilder, fbBaseLayer);
320 CreateAnyLayer(fbCastLayer.o, serializer::Layer::Layer_CastLayer);
321 }
322
SerializeChannelShuffleLayer(const armnn::IConnectableLayer * layer,const armnn::ChannelShuffleDescriptor & descriptor,const char * name)323 void SerializerStrategy::SerializeChannelShuffleLayer(const armnn::IConnectableLayer* layer,
324 const armnn::ChannelShuffleDescriptor& descriptor,
325 const char* name)
326 {
327 IgnoreUnused(name);
328 auto fbDescriptor = CreateChannelShuffleDescriptor(m_flatBufferBuilder,
329 descriptor.m_Axis,
330 descriptor.m_NumGroups);
331 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_ChannelShuffle);
332 auto fbChannelShuffleLayer = serializer::CreateChannelShuffleLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
333 CreateAnyLayer(fbChannelShuffleLayer.o, serializer::Layer::Layer_ChannelShuffleLayer);
334 }
335
SerializeComparisonLayer(const armnn::IConnectableLayer * layer,const armnn::ComparisonDescriptor & descriptor,const char * name)336 void SerializerStrategy::SerializeComparisonLayer(const armnn::IConnectableLayer* layer,
337 const armnn::ComparisonDescriptor& descriptor,
338 const char* name)
339 {
340 IgnoreUnused(name);
341
342 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Comparison);
343 auto fbDescriptor = serializer::CreateComparisonDescriptor(
344 m_flatBufferBuilder,
345 GetFlatBufferComparisonOperation(descriptor.m_Operation));
346
347 auto fbLayer = serializer::CreateComparisonLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
348 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_ComparisonLayer);
349 }
350
351 // Build FlatBuffer for Constant Layer
SerializeConstantLayer(const armnn::IConnectableLayer * layer,const std::vector<armnn::ConstTensor> & constants,const char * name)352 void SerializerStrategy::SerializeConstantLayer(const armnn::IConnectableLayer* layer,
353 const std::vector<armnn::ConstTensor>& constants,
354 const char* name)
355 {
356 IgnoreUnused(name);
357
358 armnn::ConstTensor input = constants[0];
359
360 // Create FlatBuffer BaseLayer
361 auto flatBufferConstantBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Constant);
362
363 auto flatBufferConstTensorInfo = CreateConstTensorInfo(input);
364
365 // Create the FlatBuffer ConstantLayer
366 auto flatBufferLayer = CreateConstantLayer(m_flatBufferBuilder,
367 flatBufferConstantBaseLayer,
368 flatBufferConstTensorInfo);
369
370 // Add the AnyLayer to the FlatBufferLayers
371 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_ConstantLayer);
372 }
373
374 // Build FlatBuffer for Convolution2dLayer
SerializeConvolution2dLayer(const armnn::IConnectableLayer * layer,const armnn::Convolution2dDescriptor & descriptor,const char * name)375 void SerializerStrategy::SerializeConvolution2dLayer(const armnn::IConnectableLayer* layer,
376 const armnn::Convolution2dDescriptor& descriptor,
377 const char* name)
378 {
379 IgnoreUnused(name);
380
381 // Create FlatBuffer BaseLayer
382 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Convolution2d);
383
384 auto flatBufferDescriptor = CreateConvolution2dDescriptor(m_flatBufferBuilder,
385 descriptor.m_PadLeft,
386 descriptor.m_PadRight,
387 descriptor.m_PadTop,
388 descriptor.m_PadBottom,
389 descriptor.m_StrideX,
390 descriptor.m_StrideY,
391 descriptor.m_DilationX,
392 descriptor.m_DilationY,
393 descriptor.m_BiasEnabled,
394 GetFlatBufferDataLayout(descriptor.m_DataLayout));
395
396 // Create the FlatBuffer Convolution2dLayer
397 auto flatBufferLayer = CreateConvolution2dLayer(m_flatBufferBuilder,
398 flatBufferBaseLayer,
399 flatBufferDescriptor);
400
401 // Add the AnyLayer to the FlatBufferLayers
402 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_Convolution2dLayer);
403 }
404
405 // Build FlatBuffer for Convolution3dLayer
SerializeConvolution3dLayer(const armnn::IConnectableLayer * layer,const armnn::Convolution3dDescriptor & descriptor,const char * name)406 void SerializerStrategy::SerializeConvolution3dLayer(const armnn::IConnectableLayer* layer,
407 const armnn::Convolution3dDescriptor& descriptor,
408 const char* name)
409 {
410 IgnoreUnused(name);
411
412 // Create FlatBuffer BaseLayer
413 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Convolution3d);
414
415 auto flatBufferDescriptor = CreateConvolution3dDescriptor(m_flatBufferBuilder,
416 descriptor.m_PadLeft,
417 descriptor.m_PadRight,
418 descriptor.m_PadTop,
419 descriptor.m_PadBottom,
420 descriptor.m_PadFront,
421 descriptor.m_PadBack,
422 descriptor.m_StrideX,
423 descriptor.m_StrideY,
424 descriptor.m_StrideZ,
425 descriptor.m_DilationX,
426 descriptor.m_DilationY,
427 descriptor.m_DilationZ,
428 descriptor.m_BiasEnabled,
429 GetFlatBufferDataLayout(descriptor.m_DataLayout));
430
431 // Create the FlatBuffer Convolution3dLayer
432 auto flatBufferLayer = CreateConvolution3dLayer(m_flatBufferBuilder,
433 flatBufferBaseLayer,
434 flatBufferDescriptor);
435
436 // Add the AnyLayer to the FlatBufferLayers
437 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_Convolution3dLayer);
438 }
439
SerializeDepthToSpaceLayer(const armnn::IConnectableLayer * layer,const armnn::DepthToSpaceDescriptor & descriptor,const char * name)440 void SerializerStrategy::SerializeDepthToSpaceLayer(const armnn::IConnectableLayer* layer,
441 const armnn::DepthToSpaceDescriptor& descriptor,
442 const char* name)
443 {
444 IgnoreUnused(name);
445
446 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_DepthToSpace);
447 auto fbDescriptor = CreateDepthToSpaceDescriptor(m_flatBufferBuilder,
448 descriptor.m_BlockSize,
449 GetFlatBufferDataLayout(descriptor.m_DataLayout));
450
451 auto fbLayer = serializer::CreateDepthToSpaceLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
452
453 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_DepthToSpaceLayer);
454 }
455
SerializeDepthwiseConvolution2dLayer(const armnn::IConnectableLayer * layer,const armnn::DepthwiseConvolution2dDescriptor & descriptor,const char * name)456 void SerializerStrategy::SerializeDepthwiseConvolution2dLayer(const armnn::IConnectableLayer* layer,
457 const armnn::DepthwiseConvolution2dDescriptor& descriptor,
458 const char* name)
459 {
460 IgnoreUnused(name);
461
462 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_DepthwiseConvolution2d);
463 auto fbDescriptor = CreateDepthwiseConvolution2dDescriptor(m_flatBufferBuilder,
464 descriptor.m_PadLeft,
465 descriptor.m_PadRight,
466 descriptor.m_PadTop,
467 descriptor.m_PadBottom,
468 descriptor.m_StrideX,
469 descriptor.m_StrideY,
470 descriptor.m_DilationX,
471 descriptor.m_DilationY,
472 descriptor.m_BiasEnabled,
473 GetFlatBufferDataLayout(descriptor.m_DataLayout));
474
475 auto flatBufferLayer = CreateDepthwiseConvolution2dLayer(m_flatBufferBuilder,
476 fbBaseLayer,
477 fbDescriptor);
478
479 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_DepthwiseConvolution2dLayer);
480 }
481
SerializeDequantizeLayer(const armnn::IConnectableLayer * layer,const char * name)482 void SerializerStrategy::SerializeDequantizeLayer(const armnn::IConnectableLayer* layer,
483 const char* name)
484 {
485 IgnoreUnused(name);
486
487 auto fbDequantizeBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Dequantize);
488 auto fbDequantizeLayer = serializer::CreateDequantizeLayer(m_flatBufferBuilder, fbDequantizeBaseLayer);
489
490 CreateAnyLayer(fbDequantizeLayer.o, serializer::Layer::Layer_DequantizeLayer);
491 }
492
SerializeDetectionPostProcessLayer(const armnn::IConnectableLayer * layer,const armnn::DetectionPostProcessDescriptor & descriptor,const std::vector<armnn::ConstTensor> & constants,const char * name)493 void SerializerStrategy::SerializeDetectionPostProcessLayer(const armnn::IConnectableLayer* layer,
494 const armnn::DetectionPostProcessDescriptor& descriptor,
495 const std::vector<armnn::ConstTensor>& constants,
496 const char* name)
497 {
498 IgnoreUnused(name);
499
500 const armnn::ConstTensor& anchors = constants[0];
501
502 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_DetectionPostProcess);
503 auto fbDescriptor = CreateDetectionPostProcessDescriptor(m_flatBufferBuilder,
504 descriptor.m_MaxDetections,
505 descriptor.m_MaxClassesPerDetection,
506 descriptor.m_DetectionsPerClass,
507 descriptor.m_NmsScoreThreshold,
508 descriptor.m_NmsIouThreshold,
509 descriptor.m_NumClasses,
510 descriptor.m_UseRegularNms,
511 descriptor.m_ScaleX,
512 descriptor.m_ScaleY,
513 descriptor.m_ScaleW,
514 descriptor.m_ScaleH);
515
516 flatbuffers::Offset<serializer::ConstTensor> fbAnchorsConstTensorInfo = CreateConstTensorInfo(anchors);
517
518 auto flatBufferLayer = CreateDetectionPostProcessLayer(m_flatBufferBuilder,
519 fbBaseLayer,
520 fbDescriptor,
521 fbAnchorsConstTensorInfo);
522
523 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_DetectionPostProcessLayer);
524 }
525
SerializeDivisionLayer(const armnn::IConnectableLayer * layer,const char * name)526 void SerializerStrategy::SerializeDivisionLayer(const armnn::IConnectableLayer* layer, const char* name)
527 {
528 IgnoreUnused(name);
529
530 auto fbDivisionBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Division);
531 auto fbDivisionLayer = serializer::CreateDivisionLayer(m_flatBufferBuilder, fbDivisionBaseLayer);
532
533 CreateAnyLayer(fbDivisionLayer.o, serializer::Layer::Layer_DivisionLayer);
534 }
535
SerializeElementwiseBinaryLayer(const armnn::IConnectableLayer * layer,const armnn::ElementwiseBinaryDescriptor & descriptor,const char * name)536 void SerializerStrategy::SerializeElementwiseBinaryLayer(const armnn::IConnectableLayer* layer,
537 const armnn::ElementwiseBinaryDescriptor& descriptor,
538 const char* name)
539 {
540 IgnoreUnused(name);
541
542 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_ElementwiseBinary);
543 auto fbDescriptor = serializer::CreateElementwiseBinaryDescriptor(
544 m_flatBufferBuilder,
545 GetFlatBufferBinaryOperation(descriptor.m_Operation));
546
547 auto fbLayer = serializer::CreateElementwiseBinaryLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
548 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_ElementwiseBinaryLayer);
549 }
550
SerializeElementwiseUnaryLayer(const armnn::IConnectableLayer * layer,const armnn::ElementwiseUnaryDescriptor & descriptor,const char * name)551 void SerializerStrategy::SerializeElementwiseUnaryLayer(const armnn::IConnectableLayer* layer,
552 const armnn::ElementwiseUnaryDescriptor& descriptor,
553 const char* name)
554 {
555 IgnoreUnused(name);
556
557 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_ElementwiseUnary);
558 auto fbDescriptor = serializer::CreateElementwiseUnaryDescriptor(
559 m_flatBufferBuilder,
560 GetFlatBufferUnaryOperation(descriptor.m_Operation));
561
562 auto fbLayer = serializer::CreateElementwiseUnaryLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
563 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_ElementwiseUnaryLayer);
564 }
565
SerializeFillLayer(const armnn::IConnectableLayer * layer,const armnn::FillDescriptor & fillDescriptor,const char * name)566 void SerializerStrategy::SerializeFillLayer(const armnn::IConnectableLayer* layer,
567 const armnn::FillDescriptor& fillDescriptor,
568 const char* name)
569 {
570 IgnoreUnused(name);
571
572 auto fbFillBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Fill);
573
574 auto fbDescriptor = serializer::CreateFillDescriptor(m_flatBufferBuilder, fillDescriptor.m_Value);
575
576 auto fbFillLayer = serializer::CreateFillLayer(m_flatBufferBuilder, fbFillBaseLayer, fbDescriptor);
577
578 CreateAnyLayer(fbFillLayer.o, serializer::Layer::Layer_FillLayer);
579 }
580
SerializeFloorLayer(const armnn::IConnectableLayer * layer,const char * name)581 void SerializerStrategy::SerializeFloorLayer(const armnn::IConnectableLayer *layer, const char *name)
582 {
583 IgnoreUnused(name);
584
585 auto flatBufferFloorBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Floor);
586 auto flatBufferFloorLayer = serializer::CreateFloorLayer(m_flatBufferBuilder, flatBufferFloorBaseLayer);
587
588 CreateAnyLayer(flatBufferFloorLayer.o, serializer::Layer::Layer_FloorLayer);
589 }
590
SerializeGatherLayer(const armnn::IConnectableLayer * layer,const armnn::GatherDescriptor & gatherDescriptor,const char * name)591 void SerializerStrategy::SerializeGatherLayer(const armnn::IConnectableLayer* layer,
592 const armnn::GatherDescriptor& gatherDescriptor,
593 const char* name)
594 {
595 IgnoreUnused(name);
596
597 auto fbGatherDescriptor = CreateGatherDescriptor(m_flatBufferBuilder,
598 gatherDescriptor.m_Axis);
599 auto fbGatherBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Gather);
600 auto flatBufferLayer = serializer::CreateGatherLayer(m_flatBufferBuilder, fbGatherBaseLayer, fbGatherDescriptor);
601
602 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_GatherLayer);
603 }
604
SerializeGatherNdLayer(const armnn::IConnectableLayer * layer,const char * name)605 void SerializerStrategy::SerializeGatherNdLayer(const armnn::IConnectableLayer* layer,
606 const char* name)
607 {
608 IgnoreUnused(name);
609
610 auto fbGatherNdBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_GatherNd);
611 auto flatBufferLayer = serializer::CreateGatherNdLayer(m_flatBufferBuilder, fbGatherNdBaseLayer);
612
613 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_GatherNdLayer);
614 }
615
SerializeInstanceNormalizationLayer(const armnn::IConnectableLayer * layer,const armnn::InstanceNormalizationDescriptor & instanceNormalizationDescriptor,const char * name)616 void SerializerStrategy::SerializeInstanceNormalizationLayer(
617 const armnn::IConnectableLayer* layer,
618 const armnn::InstanceNormalizationDescriptor& instanceNormalizationDescriptor,
619 const char* name)
620 {
621 IgnoreUnused(name);
622
623 auto fbDescriptor = serializer::CreateInstanceNormalizationDescriptor(
624 m_flatBufferBuilder,
625 instanceNormalizationDescriptor.m_Gamma,
626 instanceNormalizationDescriptor.m_Beta,
627 instanceNormalizationDescriptor.m_Eps,
628 GetFlatBufferDataLayout(instanceNormalizationDescriptor.m_DataLayout));
629
630 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_InstanceNormalization);
631 auto fbLayer = serializer::CreateInstanceNormalizationLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
632
633 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_InstanceNormalizationLayer);
634 }
635
SerializeL2NormalizationLayer(const armnn::IConnectableLayer * layer,const armnn::L2NormalizationDescriptor & l2NormalizationDescriptor,const char * name)636 void SerializerStrategy::SerializeL2NormalizationLayer(const armnn::IConnectableLayer* layer,
637 const armnn::L2NormalizationDescriptor& l2NormalizationDescriptor,
638 const char* name)
639 {
640 IgnoreUnused(name);
641
642 // Create FlatBuffer BaseLayer
643 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_L2Normalization);
644
645 // Create the FlatBuffer L2Normalization Descriptor
646 auto fbDescriptor = serializer::CreateL2NormalizationDescriptor(
647 m_flatBufferBuilder,
648 GetFlatBufferDataLayout(l2NormalizationDescriptor.m_DataLayout),
649 l2NormalizationDescriptor.m_Eps);
650
651 // Create FlatBuffer layer
652 auto fbLayer = serializer::CreateL2NormalizationLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
653
654 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_L2NormalizationLayer);
655 }
656
SerializeLogicalBinaryLayer(const armnn::IConnectableLayer * layer,const armnn::LogicalBinaryDescriptor & descriptor,const char * name)657 void SerializerStrategy::SerializeLogicalBinaryLayer(const armnn::IConnectableLayer* layer,
658 const armnn::LogicalBinaryDescriptor& descriptor,
659 const char* name)
660 {
661 IgnoreUnused(name);
662
663 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_LogicalBinary);
664 auto fbDescriptor = serializer::CreateLogicalBinaryDescriptor(
665 m_flatBufferBuilder,
666 GetFlatBufferLogicalBinaryOperation(descriptor.m_Operation));
667
668 auto fbLayer = serializer::CreateLogicalBinaryLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
669 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_LogicalBinaryLayer);
670 }
671
SerializeLogSoftmaxLayer(const armnn::IConnectableLayer * layer,const armnn::LogSoftmaxDescriptor & logSoftmaxDescriptor,const char * name)672 void SerializerStrategy::SerializeLogSoftmaxLayer(const armnn::IConnectableLayer* layer,
673 const armnn::LogSoftmaxDescriptor& logSoftmaxDescriptor,
674 const char* name)
675 {
676 IgnoreUnused(name);
677
678 // Create FlatBuffer BaseLayer
679 auto flatBufferLogSoftmaxBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_LogSoftmax);
680
681 // Create the FlatBuffer LogSoftmaxDescriptor
682 auto flatBufferLogSoftmaxDesc =
683 serializer::CreateLogSoftmaxDescriptor(m_flatBufferBuilder,
684 logSoftmaxDescriptor.m_Beta,
685 logSoftmaxDescriptor.m_Axis);
686
687 // Create the FlatBuffer LogSoftmaxLayer
688 auto flatBufferLogSoftmaxLayer =
689 serializer::CreateLogSoftmaxLayer(m_flatBufferBuilder,
690 flatBufferLogSoftmaxBaseLayer,
691 flatBufferLogSoftmaxDesc);
692
693 CreateAnyLayer(flatBufferLogSoftmaxLayer.o, serializer::Layer::Layer_LogSoftmaxLayer);
694 }
695
SerializeLstmLayer(const armnn::IConnectableLayer * layer,const armnn::LstmDescriptor & descriptor,const std::vector<armnn::ConstTensor> & constants,const char * name)696 void SerializerStrategy::SerializeLstmLayer(const armnn::IConnectableLayer* layer,
697 const armnn::LstmDescriptor& descriptor,
698 const std::vector<armnn::ConstTensor>& constants,
699 const char* name)
700 {
701 IgnoreUnused(name);
702
703 auto fbLstmBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Lstm);
704
705 auto fbLstmDescriptor = serializer::CreateLstmDescriptor(
706 m_flatBufferBuilder,
707 descriptor.m_ActivationFunc,
708 descriptor.m_ClippingThresCell,
709 descriptor.m_ClippingThresProj,
710 descriptor.m_CifgEnabled,
711 descriptor.m_PeepholeEnabled,
712 descriptor.m_ProjectionEnabled,
713 descriptor.m_LayerNormEnabled);
714
715 // Index for constants vector
716 std::size_t i = 0;
717
718 // Get mandatory/basic input parameters
719 auto inputToForgetWeights = CreateConstTensorInfo(constants[i++]); //InputToForgetWeights
720 auto inputToCellWeights = CreateConstTensorInfo(constants[i++]); //InputToCellWeights
721 auto inputToOutputWeights = CreateConstTensorInfo(constants[i++]); //InputToOutputWeights
722 auto recurrentToForgetWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToForgetWeights
723 auto recurrentToCellWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToCellWeights
724 auto recurrentToOutputWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToOutputWeights
725 auto forgetGateBias = CreateConstTensorInfo(constants[i++]); //ForgetGateBias
726 auto cellBias = CreateConstTensorInfo(constants[i++]); //CellBias
727 auto outputGateBias = CreateConstTensorInfo(constants[i++]); //OutputGateBias
728
729
730
731 //Define optional parameters, these will be set depending on configuration in Lstm descriptor
732 flatbuffers::Offset<serializer::ConstTensor> inputToInputWeights;
733 flatbuffers::Offset<serializer::ConstTensor> recurrentToInputWeights;
734 flatbuffers::Offset<serializer::ConstTensor> cellToInputWeights;
735 flatbuffers::Offset<serializer::ConstTensor> inputGateBias;
736 flatbuffers::Offset<serializer::ConstTensor> projectionWeights;
737 flatbuffers::Offset<serializer::ConstTensor> projectionBias;
738 flatbuffers::Offset<serializer::ConstTensor> cellToForgetWeights;
739 flatbuffers::Offset<serializer::ConstTensor> cellToOutputWeights;
740 flatbuffers::Offset<serializer::ConstTensor> inputLayerNormWeights;
741 flatbuffers::Offset<serializer::ConstTensor> forgetLayerNormWeights;
742 flatbuffers::Offset<serializer::ConstTensor> cellLayerNormWeights;
743 flatbuffers::Offset<serializer::ConstTensor> outputLayerNormWeights;
744
745 if (!descriptor.m_CifgEnabled)
746 {
747 inputToInputWeights = CreateConstTensorInfo(constants[i++]); //InputToInputWeights
748 recurrentToInputWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToInputWeights
749 inputGateBias = CreateConstTensorInfo(constants[i++]); //InputGateBias
750 }
751
752 if (descriptor.m_PeepholeEnabled)
753 {
754 if (!descriptor.m_CifgEnabled)
755 {
756 cellToInputWeights = CreateConstTensorInfo(constants[i++]); //CellToInputWeights
757 }
758 cellToForgetWeights = CreateConstTensorInfo(constants[i++]); //CellToForgetWeights
759 cellToOutputWeights = CreateConstTensorInfo(constants[i++]); //CellToOutputWeights
760 }
761
762 if (descriptor.m_ProjectionEnabled)
763 {
764 projectionWeights = CreateConstTensorInfo(constants[i++]); //ProjectionWeights
765 projectionBias = CreateConstTensorInfo(constants[i++]); //ProjectionBias
766 }
767
768 if (descriptor.m_LayerNormEnabled)
769 {
770 if (!descriptor.m_CifgEnabled)
771 {
772 inputLayerNormWeights = CreateConstTensorInfo(constants[i++]); //InputLayerNormWeights
773 }
774 forgetLayerNormWeights = CreateConstTensorInfo(constants[i++]); //ForgetLayerNormWeights
775 cellLayerNormWeights = CreateConstTensorInfo(constants[i++]); //CellLayerNormWeights
776 outputLayerNormWeights = CreateConstTensorInfo(constants[i++]); //OutputLayerNormWeights
777 }
778
779 auto fbLstmParams = serializer::CreateLstmInputParams(
780 m_flatBufferBuilder,
781 inputToForgetWeights,
782 inputToCellWeights,
783 inputToOutputWeights,
784 recurrentToForgetWeights,
785 recurrentToCellWeights,
786 recurrentToOutputWeights,
787 forgetGateBias,
788 cellBias,
789 outputGateBias,
790 inputToInputWeights,
791 recurrentToInputWeights,
792 cellToInputWeights,
793 inputGateBias,
794 projectionWeights,
795 projectionBias,
796 cellToForgetWeights,
797 cellToOutputWeights,
798 inputLayerNormWeights,
799 forgetLayerNormWeights,
800 cellLayerNormWeights,
801 outputLayerNormWeights);
802
803 auto fbLstmLayer = serializer::CreateLstmLayer(
804 m_flatBufferBuilder,
805 fbLstmBaseLayer,
806 fbLstmDescriptor,
807 fbLstmParams);
808
809 CreateAnyLayer(fbLstmLayer.o, serializer::Layer::Layer_LstmLayer);
810 }
811
SerializeMaximumLayer(const armnn::IConnectableLayer * layer,const char * name)812 void SerializerStrategy::SerializeMaximumLayer(const armnn::IConnectableLayer* layer, const char* name)
813 {
814 IgnoreUnused(name);
815
816 auto fbMaximumBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Maximum);
817 auto fbMaximumLayer = serializer::CreateMaximumLayer(m_flatBufferBuilder, fbMaximumBaseLayer);
818
819 CreateAnyLayer(fbMaximumLayer.o, serializer::Layer::Layer_MaximumLayer);
820 }
821
SerializeMeanLayer(const armnn::IConnectableLayer * layer,const armnn::MeanDescriptor & descriptor,const char * name)822 void SerializerStrategy::SerializeMeanLayer(const armnn::IConnectableLayer* layer,
823 const armnn::MeanDescriptor& descriptor,
824 const char* name)
825 {
826 IgnoreUnused(name);
827
828 auto fbMeanBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Mean);
829 auto fbMeanDescriptor = serializer::CreateMeanDescriptor(m_flatBufferBuilder,
830 m_flatBufferBuilder.CreateVector(descriptor.m_Axis),
831 descriptor.m_KeepDims);
832
833 auto fbMeanLayer = serializer::CreateMeanLayer(m_flatBufferBuilder,
834 fbMeanBaseLayer,
835 fbMeanDescriptor);
836
837 CreateAnyLayer(fbMeanLayer.o, serializer::Layer::Layer_MeanLayer);
838 }
839
SerializeMinimumLayer(const armnn::IConnectableLayer * layer,const char * name)840 void SerializerStrategy::SerializeMinimumLayer(const armnn::IConnectableLayer* layer, const char* name)
841 {
842 IgnoreUnused(name);
843
844 auto fbMinimumBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Minimum);
845 auto fbMinimumLayer = serializer::CreateMinimumLayer(m_flatBufferBuilder, fbMinimumBaseLayer);
846
847 CreateAnyLayer(fbMinimumLayer.o, serializer::Layer::Layer_MinimumLayer);
848 }
849
SerializeMergeLayer(const armnn::IConnectableLayer * layer,const char * name)850 void SerializerStrategy::SerializeMergeLayer(const armnn::IConnectableLayer* layer, const char* name)
851 {
852 IgnoreUnused(name);
853
854 auto fbMergeBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Merge);
855 auto fbMergeLayer = serializer::CreateMergeLayer(m_flatBufferBuilder, fbMergeBaseLayer);
856
857 CreateAnyLayer(fbMergeLayer.o, serializer::Layer::Layer_MergeLayer);
858 }
859
SerializeConcatLayer(const armnn::IConnectableLayer * layer,const armnn::ConcatDescriptor & concatDescriptor,const char * name)860 void SerializerStrategy::SerializeConcatLayer(const armnn::IConnectableLayer* layer,
861 const armnn::ConcatDescriptor& concatDescriptor,
862 const char* name)
863 {
864 IgnoreUnused(name);
865
866 auto flatBufferConcatBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Concat);
867
868 std::vector<flatbuffers::Offset<UintVector>> views;
869 for (unsigned int v = 0; v < concatDescriptor.GetNumViews(); ++v)
870 {
871 const uint32_t* origin = concatDescriptor.GetViewOrigin(v);
872 std::vector<uint32_t> origins;
873 for (unsigned int d = 0; d < concatDescriptor.GetNumDimensions(); ++d)
874 {
875 origins.push_back(origin[d]);
876 }
877 auto view = m_flatBufferBuilder.CreateVector(origins);
878 auto uintVector = CreateUintVector(m_flatBufferBuilder, view);
879 views.push_back(uintVector);
880 }
881
882 auto flatBufferConcatDescriptor = CreateOriginsDescriptor(m_flatBufferBuilder,
883 concatDescriptor.GetConcatAxis(),
884 concatDescriptor.GetNumViews(),
885 concatDescriptor.GetNumDimensions(),
886 m_flatBufferBuilder.CreateVector(views));
887
888 auto flatBufferLayer = CreateConcatLayer(m_flatBufferBuilder,
889 flatBufferConcatBaseLayer,
890 flatBufferConcatDescriptor);
891
892 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_ConcatLayer);
893 }
894
SerializeMultiplicationLayer(const armnn::IConnectableLayer * layer,const char * name)895 void SerializerStrategy::SerializeMultiplicationLayer(const armnn::IConnectableLayer* layer, const char* name)
896 {
897 IgnoreUnused(name);
898
899 auto fbMultiplicationBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Multiplication);
900 auto fbMultiplicationLayer = serializer::CreateMultiplicationLayer(m_flatBufferBuilder,
901 fbMultiplicationBaseLayer);
902
903 CreateAnyLayer(fbMultiplicationLayer.o, serializer::Layer::Layer_MultiplicationLayer);
904 }
905
SerializePadLayer(const armnn::IConnectableLayer * layer,const armnn::PadDescriptor & padDescriptor,const char * name)906 void SerializerStrategy::SerializePadLayer(const armnn::IConnectableLayer* layer,
907 const armnn::PadDescriptor& padDescriptor,
908 const char* name)
909 {
910 IgnoreUnused(name);
911
912 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Pad);
913
914 std::vector<unsigned int> padList;
915 for (auto& p: padDescriptor.m_PadList)
916 {
917 padList.push_back(p.first);
918 padList.push_back(p.second);
919 }
920
921 auto flatBufferPadDesc = serializer::CreatePadDescriptor(m_flatBufferBuilder,
922 m_flatBufferBuilder.CreateVector(padList),
923 padDescriptor.m_PadValue,
924 GetFlatBufferPaddingMode(padDescriptor.m_PaddingMode));
925
926 auto flatBufferPadLayer = serializer::CreatePadLayer(m_flatBufferBuilder,
927 flatBufferBaseLayer,
928 flatBufferPadDesc);
929
930 CreateAnyLayer(flatBufferPadLayer.o, serializer::Layer::Layer_PadLayer);
931 }
932
SerializePermuteLayer(const armnn::IConnectableLayer * layer,const armnn::PermuteDescriptor & permuteDescriptor,const char * name)933 void SerializerStrategy::SerializePermuteLayer(const armnn::IConnectableLayer* layer,
934 const armnn::PermuteDescriptor& permuteDescriptor,
935 const char* name)
936 {
937 IgnoreUnused(name);
938
939 // Create FlatBuffer BaseLayer
940 auto flatBufferPermuteBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Permute);
941
942 std::vector<unsigned int> dimMappings;
943 for (unsigned int i=0; i<permuteDescriptor.m_DimMappings.GetSize(); ++i)
944 {
945 dimMappings.push_back(permuteDescriptor.m_DimMappings[i]);
946 }
947
948 auto flatBufferPermuteDesc = serializer::CreatePermuteDescriptor(m_flatBufferBuilder,
949 m_flatBufferBuilder.CreateVector(dimMappings));
950
951 // Create the FlatBuffer PermuteLayer
952 auto flatBufferPermuteLayer = serializer::CreatePermuteLayer(m_flatBufferBuilder,
953 flatBufferPermuteBaseLayer,
954 flatBufferPermuteDesc);
955
956 // Add the AnyLayer to the FlatBufferLayers
957 CreateAnyLayer(flatBufferPermuteLayer.o, serializer::Layer::Layer_PermuteLayer);
958 }
959
960 // Build FlatBuffer for Rank Layer
SerializeRankLayer(const armnn::IConnectableLayer * layer,const char * name)961 void SerializerStrategy::SerializeRankLayer(const armnn::IConnectableLayer* layer,
962 const char* name)
963 {
964 IgnoreUnused(name);
965 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Rank);
966 auto flatBufferRankLayer = serializer::CreateRankLayer(m_flatBufferBuilder, flatBufferBaseLayer);
967
968 CreateAnyLayer(flatBufferRankLayer.o, serializer::Layer::Layer_RankLayer);
969 }
970
SerializeReduceLayer(const armnn::IConnectableLayer * layer,const armnn::ReduceDescriptor & reduceDescriptor,const char *)971 void SerializerStrategy::SerializeReduceLayer(const armnn::IConnectableLayer* layer,
972 const armnn::ReduceDescriptor& reduceDescriptor,
973 const char*)
974 {
975 auto fbReduceBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Reduce);
976 auto fbDescriptor = CreateReduceDescriptor(m_flatBufferBuilder,
977 reduceDescriptor.m_KeepDims,
978 m_flatBufferBuilder.CreateVector(reduceDescriptor.m_vAxis),
979 GetFlatBufferReduceOperation(reduceDescriptor.m_ReduceOperation));
980 auto fbReduceLayer = serializer::CreateReduceLayer(m_flatBufferBuilder,
981 fbReduceBaseLayer,
982 fbDescriptor);
983
984 CreateAnyLayer(fbReduceLayer.o, serializer::Layer::Layer_ReduceLayer);
985 }
986
987 // Build FlatBuffer for Reshape Layer
SerializeReshapeLayer(const armnn::IConnectableLayer * layer,const armnn::ReshapeDescriptor & reshapeDescriptor,const char * name)988 void SerializerStrategy::SerializeReshapeLayer(const armnn::IConnectableLayer* layer,
989 const armnn::ReshapeDescriptor& reshapeDescriptor,
990 const char* name)
991 {
992 IgnoreUnused(name);
993
994 // Create FlatBuffer BaseLayer
995 auto flatBufferReshapeBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Reshape);
996
997 std::vector<unsigned int> targetShape;
998 for (unsigned int i =0; i < reshapeDescriptor.m_TargetShape.GetNumDimensions(); i++)
999 {
1000 targetShape.push_back(reshapeDescriptor.m_TargetShape[i]);
1001 }
1002
1003 auto flatBufferReshapeDesc = serializer::CreateReshapeDescriptor(m_flatBufferBuilder,
1004 m_flatBufferBuilder.CreateVector(targetShape));
1005
1006 // Create the FlatBuffer ReshapeLayer
1007 auto flatBufferReshapeLayer = serializer::CreateReshapeLayer(m_flatBufferBuilder, flatBufferReshapeBaseLayer,
1008 flatBufferReshapeDesc);
1009
1010 // Add the AnyLayer to the FlatBufferLayers
1011 CreateAnyLayer(flatBufferReshapeLayer.o, serializer::Layer::Layer_ReshapeLayer);
1012 }
1013
SerializeResizeLayer(const armnn::IConnectableLayer * layer,const armnn::ResizeDescriptor & resizeDescriptor,const char * name)1014 void SerializerStrategy::SerializeResizeLayer(const armnn::IConnectableLayer* layer,
1015 const armnn::ResizeDescriptor& resizeDescriptor,
1016 const char* name)
1017 {
1018 IgnoreUnused(name);
1019
1020 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Resize);
1021
1022 auto flatBufferDescriptor =
1023 CreateResizeDescriptor(m_flatBufferBuilder,
1024 resizeDescriptor.m_TargetHeight,
1025 resizeDescriptor.m_TargetWidth,
1026 GetFlatBufferResizeMethod(resizeDescriptor.m_Method),
1027 GetFlatBufferDataLayout(resizeDescriptor.m_DataLayout),
1028 resizeDescriptor.m_AlignCorners,
1029 resizeDescriptor.m_HalfPixelCenters);
1030
1031 auto flatBufferLayer = serializer::CreateResizeLayer(m_flatBufferBuilder,
1032 flatBufferBaseLayer,
1033 flatBufferDescriptor);
1034
1035 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_ResizeLayer);
1036 }
1037
SerializeSliceLayer(const armnn::IConnectableLayer * layer,const armnn::SliceDescriptor & sliceDescriptor,const char * name)1038 void SerializerStrategy::SerializeSliceLayer(const armnn::IConnectableLayer* layer,
1039 const armnn::SliceDescriptor& sliceDescriptor,
1040 const char* name)
1041 {
1042 IgnoreUnused(name);
1043
1044 auto fbSliceBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Slice);
1045 auto fbSliceDescriptor = CreateSliceDescriptor(m_flatBufferBuilder,
1046 m_flatBufferBuilder.CreateVector(sliceDescriptor.m_Begin),
1047 m_flatBufferBuilder.CreateVector(sliceDescriptor.m_Size));
1048
1049 auto fbSliceLayer = serializer::CreateSliceLayer(m_flatBufferBuilder, fbSliceBaseLayer, fbSliceDescriptor);
1050
1051 CreateAnyLayer(fbSliceLayer.o, serializer::Layer::Layer_SliceLayer);
1052 }
1053
1054 // Build FlatBuffer for Softmax Layer
SerializeSoftmaxLayer(const armnn::IConnectableLayer * layer,const armnn::SoftmaxDescriptor & softmaxDescriptor,const char * name)1055 void SerializerStrategy::SerializeSoftmaxLayer(const armnn::IConnectableLayer* layer,
1056 const armnn::SoftmaxDescriptor& softmaxDescriptor,
1057 const char* name)
1058 {
1059 IgnoreUnused(name);
1060
1061 // Create FlatBuffer BaseLayer
1062 auto flatBufferSoftmaxBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Softmax);
1063
1064 // Create the FlatBuffer SoftmaxDescriptor
1065 auto flatBufferSoftmaxDesc =
1066 serializer::CreateSoftmaxDescriptor(m_flatBufferBuilder,
1067 softmaxDescriptor.m_Beta,
1068 softmaxDescriptor.m_Axis);
1069
1070 // Create the FlatBuffer SoftmaxLayer
1071 auto flatBufferSoftmaxLayer =
1072 serializer::CreateSoftmaxLayer(m_flatBufferBuilder,
1073 flatBufferSoftmaxBaseLayer,
1074 flatBufferSoftmaxDesc);
1075
1076 CreateAnyLayer(flatBufferSoftmaxLayer.o, serializer::Layer::Layer_SoftmaxLayer);
1077 }
1078
SerializePooling2dLayer(const armnn::IConnectableLayer * layer,const armnn::Pooling2dDescriptor & pooling2dDescriptor,const char * name)1079 void SerializerStrategy::SerializePooling2dLayer(const armnn::IConnectableLayer* layer,
1080 const armnn::Pooling2dDescriptor& pooling2dDescriptor,
1081 const char* name)
1082 {
1083 IgnoreUnused(name);
1084
1085 auto fbPooling2dBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Pooling2d);
1086 auto fbPooling2dDescriptor = serializer::CreatePooling2dDescriptor(
1087 m_flatBufferBuilder,
1088 GetFlatBufferPoolingAlgorithm(pooling2dDescriptor.m_PoolType),
1089 pooling2dDescriptor.m_PadLeft,
1090 pooling2dDescriptor.m_PadRight,
1091 pooling2dDescriptor.m_PadTop,
1092 pooling2dDescriptor.m_PadBottom,
1093 pooling2dDescriptor.m_PoolWidth,
1094 pooling2dDescriptor.m_PoolHeight,
1095 pooling2dDescriptor.m_StrideX,
1096 pooling2dDescriptor.m_StrideY,
1097 GetFlatBufferOutputShapeRounding(pooling2dDescriptor.m_OutputShapeRounding),
1098 GetFlatBufferPaddingMethod(pooling2dDescriptor.m_PaddingMethod),
1099 GetFlatBufferDataLayout(pooling2dDescriptor.m_DataLayout));
1100
1101 auto fbPooling2dLayer = serializer::CreatePooling2dLayer(m_flatBufferBuilder,
1102 fbPooling2dBaseLayer,
1103 fbPooling2dDescriptor);
1104
1105 CreateAnyLayer(fbPooling2dLayer.o, serializer::Layer::Layer_Pooling2dLayer);
1106 }
1107
SerializePooling3dLayer(const armnn::IConnectableLayer * layer,const armnn::Pooling3dDescriptor & pooling3dDescriptor,const char * name)1108 void SerializerStrategy::SerializePooling3dLayer(const armnn::IConnectableLayer* layer,
1109 const armnn::Pooling3dDescriptor& pooling3dDescriptor,
1110 const char* name)
1111 {
1112 IgnoreUnused(name);
1113
1114 auto fbPooling3dBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Pooling3d);
1115 auto fbPooling3dDescriptor = serializer::CreatePooling3dDescriptor(
1116 m_flatBufferBuilder,
1117 GetFlatBufferPoolingAlgorithm(pooling3dDescriptor.m_PoolType),
1118 pooling3dDescriptor.m_PadLeft,
1119 pooling3dDescriptor.m_PadRight,
1120 pooling3dDescriptor.m_PadTop,
1121 pooling3dDescriptor.m_PadBottom,
1122 pooling3dDescriptor.m_PadFront,
1123 pooling3dDescriptor.m_PadBack,
1124 pooling3dDescriptor.m_PoolWidth,
1125 pooling3dDescriptor.m_PoolHeight,
1126 pooling3dDescriptor.m_PoolDepth,
1127 pooling3dDescriptor.m_StrideX,
1128 pooling3dDescriptor.m_StrideY,
1129 pooling3dDescriptor.m_StrideZ,
1130 GetFlatBufferOutputShapeRounding(pooling3dDescriptor.m_OutputShapeRounding),
1131 GetFlatBufferPaddingMethod(pooling3dDescriptor.m_PaddingMethod),
1132 GetFlatBufferDataLayout(pooling3dDescriptor.m_DataLayout));
1133
1134 auto fbPooling3dLayer = serializer::CreatePooling3dLayer(m_flatBufferBuilder,
1135 fbPooling3dBaseLayer,
1136 fbPooling3dDescriptor);
1137
1138 CreateAnyLayer(fbPooling3dLayer.o, serializer::Layer::Layer_Pooling3dLayer);
1139 }
1140
SerializePreluLayer(const armnn::IConnectableLayer * layer,const char * name)1141 void SerializerStrategy::SerializePreluLayer(const armnn::IConnectableLayer* layer,
1142 const char* name)
1143 {
1144 IgnoreUnused(name);
1145
1146 // Create FlatBuffer BaseLayer
1147 auto flatBufferPreluBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Prelu);
1148
1149 // Create the FlatBuffer AdditionLayer
1150 auto flatBufferPreluLayer = serializer::CreatePreluLayer(m_flatBufferBuilder, flatBufferPreluBaseLayer);
1151
1152 // Add the AnyLayer to the FlatBufferLayers
1153 CreateAnyLayer(flatBufferPreluLayer.o, serializer::Layer::Layer_PreluLayer);
1154 }
1155
SerializeQuantizeLayer(const armnn::IConnectableLayer * layer,const char * name)1156 void SerializerStrategy::SerializeQuantizeLayer(const armnn::IConnectableLayer *layer, const char *name)
1157 {
1158 IgnoreUnused(name);
1159
1160 auto fbQuantizeBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Quantize);
1161 auto fbQuantizeLayer = serializer::CreateQuantizeLayer(m_flatBufferBuilder,
1162 fbQuantizeBaseLayer);
1163 CreateAnyLayer(fbQuantizeLayer.o, serializer::Layer::Layer_QuantizeLayer);
1164 }
1165
1166 // Build FlatBuffer for FullyConnected Layer
SerializeFullyConnectedLayer(const armnn::IConnectableLayer * layer,const armnn::FullyConnectedDescriptor & fullyConnectedDescriptor,const char *)1167 void SerializerStrategy::SerializeFullyConnectedLayer(const armnn::IConnectableLayer* layer,
1168 const armnn::FullyConnectedDescriptor& fullyConnectedDescriptor,
1169 const char*)
1170 {
1171 // Create FlatBuffer BaseLayer
1172 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_FullyConnected);
1173
1174 // Create FlatBuffer FullyConnectedDescriptor
1175 auto flatBufferDescriptor =
1176 serializer::CreateFullyConnectedDescriptor(m_flatBufferBuilder,
1177 fullyConnectedDescriptor.m_BiasEnabled,
1178 fullyConnectedDescriptor.m_TransposeWeightMatrix,
1179 fullyConnectedDescriptor.m_ConstantWeights);
1180
1181 // Create FlatBuffer FullyConnectedLayer
1182 auto flatBufferLayer = serializer::CreateFullyConnectedLayer(m_flatBufferBuilder,
1183 flatBufferBaseLayer,
1184 flatBufferDescriptor);
1185
1186 // Add created FullyConnectedLayer to the FlatBufferLayers
1187 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_FullyConnectedLayer);
1188 }
1189
1190 // Build FlatBuffer for SpaceToBatchNd Layer
SerializeSpaceToBatchNdLayer(const armnn::IConnectableLayer * layer,const armnn::SpaceToBatchNdDescriptor & spaceToBatchNdDescriptor,const char * name)1191 void SerializerStrategy::SerializeSpaceToBatchNdLayer(const armnn::IConnectableLayer* layer,
1192 const armnn::SpaceToBatchNdDescriptor& spaceToBatchNdDescriptor,
1193 const char* name)
1194 {
1195 IgnoreUnused(name);
1196
1197 // Create FlatBuffer BaseLayer
1198 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_SpaceToBatchNd);
1199
1200 std::vector<unsigned int> padList;
1201 padList.reserve(spaceToBatchNdDescriptor.m_PadList.size()*2);
1202 for (auto& pad : spaceToBatchNdDescriptor.m_PadList)
1203 {
1204 padList.push_back(pad.first);
1205 padList.push_back(pad.second);
1206 }
1207
1208 auto flatBufferDescriptor =
1209 CreateSpaceToBatchNdDescriptor(m_flatBufferBuilder,
1210 m_flatBufferBuilder.CreateVector(spaceToBatchNdDescriptor.m_BlockShape),
1211 m_flatBufferBuilder.CreateVector(padList),
1212 GetFlatBufferDataLayout(spaceToBatchNdDescriptor.m_DataLayout));
1213
1214 auto flatBufferLayer = serializer::CreateSpaceToBatchNdLayer(m_flatBufferBuilder,
1215 flatBufferBaseLayer,
1216 flatBufferDescriptor);
1217
1218 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_SpaceToBatchNdLayer);
1219 }
1220
1221 // Build FlatBuffer for SpaceToDepthLayer
SerializeSpaceToDepthLayer(const armnn::IConnectableLayer * layer,const armnn::SpaceToDepthDescriptor & spaceToDepthDescriptor,const char * name)1222 void SerializerStrategy::SerializeSpaceToDepthLayer(const armnn::IConnectableLayer* layer,
1223 const armnn::SpaceToDepthDescriptor& spaceToDepthDescriptor,
1224 const char* name)
1225 {
1226 IgnoreUnused(name);
1227
1228 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_SpaceToDepth);
1229 auto flatBufferDescriptor =
1230 CreateSpaceToDepthDescriptor(m_flatBufferBuilder,
1231 spaceToDepthDescriptor.m_BlockSize,
1232 GetFlatBufferDataLayout(spaceToDepthDescriptor.m_DataLayout));
1233
1234 auto flatBufferLayer = serializer::CreateSpaceToDepthLayer(m_flatBufferBuilder,
1235 flatBufferBaseLayer,
1236 flatBufferDescriptor);
1237
1238 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_SpaceToDepthLayer);
1239 }
1240
1241 // Build FlatBuffer for Splitter Layer
SerializeSplitterLayer(const armnn::IConnectableLayer * layer,const armnn::ViewsDescriptor & viewsDescriptor,const char * name)1242 void SerializerStrategy::SerializeSplitterLayer(const armnn::IConnectableLayer* layer,
1243 const armnn::ViewsDescriptor& viewsDescriptor,
1244 const char* name)
1245 {
1246 IgnoreUnused(name);
1247
1248 // Create FlatBuffer ViewOrigins
1249 std::vector<flatbuffers::Offset<UintVector>> flatBufferViewOrigins;
1250 flatBufferViewOrigins.reserve(viewsDescriptor.GetNumViews());
1251
1252 for(unsigned int vIdx = 0; vIdx < viewsDescriptor.GetNumViews(); ++vIdx)
1253 {
1254 std::vector<uint32_t> viewOrigin;
1255 viewOrigin.reserve(viewsDescriptor.GetNumDimensions());
1256
1257 // Copy vector
1258 for(unsigned int dIdx = 0; dIdx < viewsDescriptor.GetNumDimensions(); ++dIdx)
1259 {
1260 viewOrigin.push_back(viewsDescriptor.GetViewOrigin(vIdx)[dIdx]);
1261 }
1262
1263 flatBufferViewOrigins.push_back(CreateUintVector(m_flatBufferBuilder,
1264 m_flatBufferBuilder.CreateVector(viewOrigin)));
1265 }
1266
1267 // Create FlatBuffer OriginsDescriptor
1268 auto flatBufferOriginDescriptor = CreateOriginsDescriptor(m_flatBufferBuilder,
1269 viewsDescriptor.GetOrigins().GetConcatAxis(),
1270 viewsDescriptor.GetOrigins().GetNumViews(),
1271 viewsDescriptor.GetOrigins().GetNumDimensions(),
1272 m_flatBufferBuilder.CreateVector(flatBufferViewOrigins));
1273
1274 // Create FlatBuffer ViewOrigins
1275 std::vector<flatbuffers::Offset<UintVector>> flatBufferViewSizes;
1276 flatBufferViewSizes.reserve(viewsDescriptor.GetNumViews());
1277
1278 for(unsigned int vIdx = 0; vIdx < viewsDescriptor.GetNumViews(); ++vIdx)
1279 {
1280 std::vector<uint32_t> viewSize;
1281 viewSize.reserve(viewsDescriptor.GetNumDimensions());
1282
1283 // Copy vector
1284 for(unsigned int dIdx = 0; dIdx < viewsDescriptor.GetNumDimensions(); ++dIdx)
1285 {
1286 viewSize.push_back(viewsDescriptor.GetViewSizes(vIdx)[dIdx]);
1287 }
1288
1289 flatBufferViewSizes.push_back(CreateUintVector(m_flatBufferBuilder,
1290 m_flatBufferBuilder.CreateVector(viewSize)));
1291 }
1292
1293 // Create FlatBuffer ViewsDescriptor
1294 auto flatBufferViewsDescriptor = CreateViewsDescriptor(m_flatBufferBuilder,
1295 flatBufferOriginDescriptor,
1296 m_flatBufferBuilder.CreateVector(flatBufferViewSizes));
1297
1298 // Create FlatBuffer BaseLayer
1299 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Splitter);
1300
1301 auto flatBufferSplitterLayer = serializer::CreateSplitterLayer(m_flatBufferBuilder,
1302 flatBufferBaseLayer,
1303 flatBufferViewsDescriptor);
1304
1305 CreateAnyLayer(flatBufferSplitterLayer.o, serializer::Layer::Layer_SplitterLayer);
1306 }
1307
SerializeNormalizationLayer(const armnn::IConnectableLayer * layer,const armnn::NormalizationDescriptor & descriptor,const char * name)1308 void SerializerStrategy::SerializeNormalizationLayer(const armnn::IConnectableLayer* layer,
1309 const armnn::NormalizationDescriptor& descriptor,
1310 const char* name)
1311 {
1312 IgnoreUnused(name);
1313
1314 auto fbNormalizationBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Normalization);
1315
1316 auto fbNormalizationDescriptor = serializer::CreateNormalizationDescriptor(
1317 m_flatBufferBuilder,
1318 GetFlatBufferNormalizationAlgorithmChannel(descriptor.m_NormChannelType),
1319 GetFlatBufferNormalizationAlgorithmMethod(descriptor.m_NormMethodType),
1320 descriptor.m_NormSize,
1321 descriptor.m_Alpha,
1322 descriptor.m_Beta,
1323 descriptor.m_K,
1324 GetFlatBufferDataLayout(descriptor.m_DataLayout));
1325
1326 auto flatBufferLayer = serializer::CreateNormalizationLayer(m_flatBufferBuilder,
1327 fbNormalizationBaseLayer,
1328 fbNormalizationDescriptor);
1329
1330 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_NormalizationLayer);
1331 }
1332
SerializeShapeLayer(const armnn::IConnectableLayer * layer,const char * name)1333 void SerializerStrategy::SerializeShapeLayer(const armnn::IConnectableLayer* layer,
1334 const char* name)
1335 {
1336 IgnoreUnused(name);
1337
1338 auto shapeBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Shape);
1339 auto shapeLayer = serializer::CreateShapeLayer(m_flatBufferBuilder, shapeBaseLayer);
1340
1341 CreateAnyLayer(shapeLayer.o, serializer::Layer::Layer_ShapeLayer);
1342 }
1343
SerializeStackLayer(const armnn::IConnectableLayer * layer,const armnn::StackDescriptor & stackDescriptor,const char * name)1344 void SerializerStrategy::SerializeStackLayer(const armnn::IConnectableLayer* layer,
1345 const armnn::StackDescriptor& stackDescriptor,
1346 const char* name)
1347 {
1348 IgnoreUnused(name);
1349
1350 auto stackBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Stack);
1351
1352 std::vector<unsigned int> inputShape;
1353 for (unsigned int i =0; i < stackDescriptor.m_InputShape.GetNumDimensions(); i++)
1354 {
1355 inputShape.push_back(stackDescriptor.m_InputShape[i]);
1356 }
1357
1358 auto flatBufferStackDescriptor = CreateStackDescriptor(m_flatBufferBuilder,
1359 stackDescriptor.m_Axis,
1360 stackDescriptor.m_NumInputs,
1361 m_flatBufferBuilder.CreateVector(inputShape));
1362
1363 auto stackLayer = serializer::CreateStackLayer(m_flatBufferBuilder, stackBaseLayer, flatBufferStackDescriptor);
1364 CreateAnyLayer(stackLayer.o, serializer::Layer::Layer_StackLayer);
1365 }
1366
SerializeStandInLayer(const armnn::IConnectableLayer * layer,const armnn::StandInDescriptor & standInDescriptor,const char * name)1367 void SerializerStrategy::SerializeStandInLayer(const armnn::IConnectableLayer *layer,
1368 const armnn::StandInDescriptor& standInDescriptor,
1369 const char *name)
1370 {
1371 IgnoreUnused(name);
1372
1373 auto fbDescriptor = serializer::CreateStandInDescriptor(m_flatBufferBuilder,
1374 standInDescriptor.m_NumInputs,
1375 standInDescriptor.m_NumOutputs);
1376
1377 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_StandIn);
1378 auto fbLayer = serializer::CreateStandInLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
1379
1380 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_StandInLayer);
1381 }
1382
SerializeStridedSliceLayer(const armnn::IConnectableLayer * layer,const armnn::StridedSliceDescriptor & stridedSliceDescriptor,const char * name)1383 void SerializerStrategy::SerializeStridedSliceLayer(const armnn::IConnectableLayer* layer,
1384 const armnn::StridedSliceDescriptor& stridedSliceDescriptor,
1385 const char* name)
1386 {
1387 IgnoreUnused(name);
1388
1389 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_StridedSlice);
1390
1391 auto flatBufferDescriptor =
1392 CreateStridedSliceDescriptor(m_flatBufferBuilder,
1393 m_flatBufferBuilder.CreateVector(stridedSliceDescriptor.m_Begin),
1394 m_flatBufferBuilder.CreateVector(stridedSliceDescriptor.m_End),
1395 m_flatBufferBuilder.CreateVector(stridedSliceDescriptor.m_Stride),
1396 stridedSliceDescriptor.m_BeginMask,
1397 stridedSliceDescriptor.m_EndMask,
1398 stridedSliceDescriptor.m_ShrinkAxisMask,
1399 stridedSliceDescriptor.m_EllipsisMask,
1400 stridedSliceDescriptor.m_NewAxisMask,
1401 GetFlatBufferDataLayout(stridedSliceDescriptor.m_DataLayout));
1402
1403 auto flatBufferLayer = serializer::CreateStridedSliceLayer(m_flatBufferBuilder,
1404 flatBufferBaseLayer,
1405 flatBufferDescriptor);
1406
1407 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_StridedSliceLayer);
1408 }
1409
SerializeSubtractionLayer(const armnn::IConnectableLayer * layer,const char * name)1410 void SerializerStrategy::SerializeSubtractionLayer(const armnn::IConnectableLayer* layer, const char* name)
1411 {
1412 IgnoreUnused(name);
1413
1414 auto fbSubtractionBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Subtraction);
1415 auto fbSubtractionLayer = serializer::CreateSubtractionLayer(m_flatBufferBuilder, fbSubtractionBaseLayer);
1416
1417 CreateAnyLayer(fbSubtractionLayer.o, serializer::Layer::Layer_SubtractionLayer);
1418 }
1419
SerializeSwitchLayer(const armnn::IConnectableLayer * layer,const char * name)1420 void SerializerStrategy::SerializeSwitchLayer(const armnn::IConnectableLayer* layer, const char* name)
1421 {
1422 IgnoreUnused(name);
1423
1424 auto fbSwitchBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Switch);
1425 auto fbSwitchLayer = serializer::CreateSwitchLayer(m_flatBufferBuilder, fbSwitchBaseLayer);
1426
1427 CreateAnyLayer(fbSwitchLayer.o, serializer::Layer::Layer_SwitchLayer);
1428 }
1429
SerializeTransposeConvolution2dLayer(const armnn::IConnectableLayer * layer,const armnn::TransposeConvolution2dDescriptor & descriptor,const std::vector<armnn::ConstTensor> & constants,const char * name)1430 void SerializerStrategy::SerializeTransposeConvolution2dLayer(
1431 const armnn::IConnectableLayer* layer,
1432 const armnn::TransposeConvolution2dDescriptor& descriptor,
1433 const std::vector<armnn::ConstTensor>& constants,
1434 const char* name)
1435 {
1436 IgnoreUnused(name);
1437
1438 const armnn::ConstTensor& weights = constants.at(0);
1439
1440 auto fbBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Convolution2d);
1441 auto fbDescriptor = CreateTransposeConvolution2dDescriptor(m_flatBufferBuilder,
1442 descriptor.m_PadLeft,
1443 descriptor.m_PadRight,
1444 descriptor.m_PadTop,
1445 descriptor.m_PadBottom,
1446 descriptor.m_StrideX,
1447 descriptor.m_StrideY,
1448 descriptor.m_BiasEnabled,
1449 GetFlatBufferDataLayout(descriptor.m_DataLayout));
1450
1451 // weights & biases
1452 auto fbWeightsConstTensorInfo = CreateConstTensorInfo(weights);
1453 flatbuffers::Offset<serializer::ConstTensor> fbBiasesConstTensorInfo;
1454 if (constants.size() > 1)
1455 {
1456 const armnn::ConstTensor& biases = constants.at(1);
1457 fbBiasesConstTensorInfo = CreateConstTensorInfo(biases);
1458 }
1459
1460 auto fbLayer = CreateTransposeConvolution2dLayer(m_flatBufferBuilder,
1461 fbBaseLayer,
1462 fbDescriptor,
1463 fbWeightsConstTensorInfo,
1464 fbBiasesConstTensorInfo);
1465
1466 CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_TransposeConvolution2dLayer);
1467 }
1468
SerializeTransposeLayer(const armnn::IConnectableLayer * layer,const armnn::TransposeDescriptor & descriptor,const char * name)1469 void SerializerStrategy::SerializeTransposeLayer(const armnn::IConnectableLayer* layer,
1470 const armnn::TransposeDescriptor& descriptor,
1471 const char* name)
1472 {
1473 IgnoreUnused(name);
1474
1475 // Create FlatBuffer BaseLayer
1476 auto flatBufferBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_Transpose);
1477
1478 std::vector<unsigned int> dimMappings;
1479 for (unsigned int i=0; i<descriptor.m_DimMappings.GetSize(); ++i)
1480 {
1481 dimMappings.push_back(descriptor.m_DimMappings[i]);
1482 }
1483
1484 auto flatBufferDesc = serializer::CreateTransposeDescriptor(m_flatBufferBuilder,
1485 m_flatBufferBuilder.CreateVector(dimMappings));
1486
1487 // Create the FlatBuffer TransposeLayer
1488 auto flatBufferLayer = serializer::CreateTransposeLayer(m_flatBufferBuilder,
1489 flatBufferBaseLayer,
1490 flatBufferDesc);
1491
1492 // Add the AnyLayer to the FlatBufferLayers
1493 CreateAnyLayer(flatBufferLayer.o, serializer::Layer::Layer_TransposeLayer);
1494 }
1495
SerializeQLstmLayer(const armnn::IConnectableLayer * layer,const armnn::QLstmDescriptor & descriptor,const std::vector<armnn::ConstTensor> & constants,const char * name)1496 void SerializerStrategy::SerializeQLstmLayer(const armnn::IConnectableLayer* layer,
1497 const armnn::QLstmDescriptor& descriptor,
1498 const std::vector<armnn::ConstTensor>& constants,
1499 const char* name)
1500 {
1501 IgnoreUnused(name);
1502
1503 auto fbQLstmBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_QLstm);
1504
1505 auto fbQLstmDescriptor = serializer::CreateQLstmDescriptor(
1506 m_flatBufferBuilder,
1507 descriptor.m_CifgEnabled,
1508 descriptor.m_PeepholeEnabled,
1509 descriptor.m_ProjectionEnabled,
1510 descriptor.m_LayerNormEnabled,
1511 descriptor.m_CellClip,
1512 descriptor.m_ProjectionClip,
1513 descriptor.m_InputIntermediateScale,
1514 descriptor.m_ForgetIntermediateScale,
1515 descriptor.m_CellIntermediateScale,
1516 descriptor.m_OutputIntermediateScale,
1517 descriptor.m_HiddenStateZeroPoint,
1518 descriptor.m_HiddenStateScale
1519 );
1520
1521 // Index for constants vector
1522 std::size_t i = 0;
1523
1524 // Mandatory params
1525 auto inputToForgetWeights = CreateConstTensorInfo(constants[i++]); //InputToForgetWeights
1526 auto inputToCellWeights = CreateConstTensorInfo(constants[i++]); //InputToCellWeights
1527 auto inputToOutputWeights = CreateConstTensorInfo(constants[i++]); //InputToOutputWeights
1528 auto recurrentToForgetWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToForgetWeights
1529 auto recurrentToCellWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToCellWeights
1530 auto recurrentToOutputWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToOutputWeights
1531 auto forgetGateBias = CreateConstTensorInfo(constants[i++]); //ForgetGateBias
1532 auto cellBias = CreateConstTensorInfo(constants[i++]); //CellBias
1533 auto outputGateBias = CreateConstTensorInfo(constants[i++]); //OutputGateBias
1534
1535 // CIFG
1536 flatbuffers::Offset<serializer::ConstTensor> inputToInputWeights;
1537 flatbuffers::Offset<serializer::ConstTensor> recurrentToInputWeights;
1538 flatbuffers::Offset<serializer::ConstTensor> inputGateBias;
1539
1540 if (!descriptor.m_CifgEnabled)
1541 {
1542 inputToInputWeights = CreateConstTensorInfo(constants[i++]); //InputToInputWeights
1543 recurrentToInputWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToInputWeights
1544 inputGateBias = CreateConstTensorInfo(constants[i++]); //InputGateBias
1545 }
1546
1547 // Peephole
1548 flatbuffers::Offset<serializer::ConstTensor> cellToInputWeights;
1549 flatbuffers::Offset<serializer::ConstTensor> cellToForgetWeights;
1550 flatbuffers::Offset<serializer::ConstTensor> cellToOutputWeights;
1551
1552 if (descriptor.m_PeepholeEnabled)
1553 {
1554 if (!descriptor.m_CifgEnabled)
1555 {
1556 cellToInputWeights = CreateConstTensorInfo(constants[i++]); //CellToInputWeights
1557 }
1558 cellToForgetWeights = CreateConstTensorInfo(constants[i++]); //CellToForgetWeights
1559 cellToOutputWeights = CreateConstTensorInfo(constants[i++]); //CellToOutputWeights
1560 }
1561
1562 // Projection
1563 flatbuffers::Offset<serializer::ConstTensor> projectionWeights;
1564 flatbuffers::Offset<serializer::ConstTensor> projectionBias;
1565
1566 if (descriptor.m_ProjectionEnabled)
1567 {
1568 projectionWeights = CreateConstTensorInfo(constants[i++]); //ProjectionWeights
1569 projectionBias = CreateConstTensorInfo(constants[i++]); //ProjectionBias
1570 }
1571
1572 // Layer norm
1573 flatbuffers::Offset<serializer::ConstTensor> inputLayerNormWeights;
1574 flatbuffers::Offset<serializer::ConstTensor> forgetLayerNormWeights;
1575 flatbuffers::Offset<serializer::ConstTensor> cellLayerNormWeights;
1576 flatbuffers::Offset<serializer::ConstTensor> outputLayerNormWeights;
1577
1578 if (descriptor.m_LayerNormEnabled)
1579 {
1580 if (!descriptor.m_CifgEnabled)
1581 {
1582 inputLayerNormWeights = CreateConstTensorInfo(constants[i++]); //InputLayerNormWeights
1583 }
1584 forgetLayerNormWeights = CreateConstTensorInfo(constants[i++]); //ForgetLayerNormWeights
1585 cellLayerNormWeights = CreateConstTensorInfo(constants[i++]); //CellLayerNormWeights
1586 outputLayerNormWeights = CreateConstTensorInfo(constants[i++]); //OutputLayerNormWeights
1587 }
1588
1589 auto fbQLstmParams = serializer::CreateQLstmInputParams(
1590 m_flatBufferBuilder,
1591 inputToForgetWeights,
1592 inputToCellWeights,
1593 inputToOutputWeights,
1594 recurrentToForgetWeights,
1595 recurrentToCellWeights,
1596 recurrentToOutputWeights,
1597 forgetGateBias,
1598 cellBias,
1599 outputGateBias,
1600 inputToInputWeights,
1601 recurrentToInputWeights,
1602 inputGateBias,
1603 projectionWeights,
1604 projectionBias,
1605 cellToInputWeights,
1606 cellToForgetWeights,
1607 cellToOutputWeights,
1608 inputLayerNormWeights,
1609 forgetLayerNormWeights,
1610 cellLayerNormWeights,
1611 outputLayerNormWeights);
1612
1613 auto fbQLstmLayer = serializer::CreateQLstmLayer(
1614 m_flatBufferBuilder,
1615 fbQLstmBaseLayer,
1616 fbQLstmDescriptor,
1617 fbQLstmParams);
1618
1619 CreateAnyLayer(fbQLstmLayer.o, serializer::Layer::Layer_QLstmLayer);
1620 }
1621
SerializeQuantizedLstmLayer(const armnn::IConnectableLayer * layer,const std::vector<armnn::ConstTensor> & constants,const char * name)1622 void SerializerStrategy::SerializeQuantizedLstmLayer(const armnn::IConnectableLayer* layer,
1623 const std::vector<armnn::ConstTensor>& constants,
1624 const char* name)
1625 {
1626 IgnoreUnused(name);
1627
1628 auto fbQuantizedLstmBaseLayer = CreateLayerBase(layer, serializer::LayerType::LayerType_QuantizedLstm);
1629
1630 // index for constants vector
1631 size_t i = 0;
1632
1633 // Get input parameters
1634 auto inputToInputWeights = CreateConstTensorInfo(constants[i++]);
1635 auto inputToForgetWeights = CreateConstTensorInfo(constants[i++]);
1636 auto inputToCellWeights = CreateConstTensorInfo(constants[i++]);
1637 auto inputToOutputWeights = CreateConstTensorInfo(constants[i++]);
1638
1639 auto recurrentToInputWeights = CreateConstTensorInfo(constants[i++]);
1640 auto recurrentToForgetWeights = CreateConstTensorInfo(constants[i++]);
1641 auto recurrentToCellWeights = CreateConstTensorInfo(constants[i++]);
1642 auto recurrentToOutputWeights = CreateConstTensorInfo(constants[i++]);
1643
1644 auto inputGateBias = CreateConstTensorInfo(constants[i++]);
1645 auto forgetGateBias = CreateConstTensorInfo(constants[i++]);
1646 auto cellBias = CreateConstTensorInfo(constants[i++]);
1647 auto outputGateBias = CreateConstTensorInfo(constants[i++]);
1648
1649 auto fbQuantizedLstmParams = serializer::CreateQuantizedLstmInputParams(
1650 m_flatBufferBuilder,
1651 inputToInputWeights,
1652 inputToForgetWeights,
1653 inputToCellWeights,
1654 inputToOutputWeights,
1655 recurrentToInputWeights,
1656 recurrentToForgetWeights,
1657 recurrentToCellWeights,
1658 recurrentToOutputWeights,
1659 inputGateBias,
1660 forgetGateBias,
1661 cellBias,
1662 outputGateBias);
1663
1664 auto fbQuantizedLstmLayer = serializer::CreateQuantizedLstmLayer(
1665 m_flatBufferBuilder,
1666 fbQuantizedLstmBaseLayer,
1667 fbQuantizedLstmParams);
1668
1669 CreateAnyLayer(fbQuantizedLstmLayer.o, serializer::Layer::Layer_QuantizedLstmLayer);
1670 }
1671
SerializeUnidirectionalSequenceLstmLayer(const armnn::IConnectableLayer * layer,const armnn::UnidirectionalSequenceLstmDescriptor & descriptor,const std::vector<armnn::ConstTensor> & constants,const char * name)1672 void SerializerStrategy::SerializeUnidirectionalSequenceLstmLayer(
1673 const armnn::IConnectableLayer* layer,
1674 const armnn::UnidirectionalSequenceLstmDescriptor& descriptor,
1675 const std::vector<armnn::ConstTensor>& constants,
1676 const char* name)
1677 {
1678 IgnoreUnused(name);
1679
1680 auto fbUnidirectionalSequenceLstmBaseLayer =
1681 CreateLayerBase(layer, serializer::LayerType::LayerType_UnidirectionalSequenceLstm);
1682
1683 auto fbUnidirectionalSequenceLstmDescriptor = serializer::CreateUnidirectionalSequenceLstmDescriptor(
1684 m_flatBufferBuilder,
1685 descriptor.m_ActivationFunc,
1686 descriptor.m_ClippingThresCell,
1687 descriptor.m_ClippingThresProj,
1688 descriptor.m_CifgEnabled,
1689 descriptor.m_PeepholeEnabled,
1690 descriptor.m_ProjectionEnabled,
1691 descriptor.m_LayerNormEnabled,
1692 descriptor.m_TimeMajor);
1693
1694 // Index for constants vector
1695 std::size_t i = 0;
1696
1697 // Get mandatory/basic input parameters
1698 auto inputToForgetWeights = CreateConstTensorInfo(constants[i++]); //InputToForgetWeights
1699 auto inputToCellWeights = CreateConstTensorInfo(constants[i++]); //InputToCellWeights
1700 auto inputToOutputWeights = CreateConstTensorInfo(constants[i++]); //InputToOutputWeights
1701 auto recurrentToForgetWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToForgetWeights
1702 auto recurrentToCellWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToCellWeights
1703 auto recurrentToOutputWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToOutputWeights
1704 auto forgetGateBias = CreateConstTensorInfo(constants[i++]); //ForgetGateBias
1705 auto cellBias = CreateConstTensorInfo(constants[i++]); //CellBias
1706 auto outputGateBias = CreateConstTensorInfo(constants[i++]); //OutputGateBias
1707
1708 //Define optional parameters, these will be set depending on configuration in Lstm descriptor
1709 flatbuffers::Offset<serializer::ConstTensor> inputToInputWeights;
1710 flatbuffers::Offset<serializer::ConstTensor> recurrentToInputWeights;
1711 flatbuffers::Offset<serializer::ConstTensor> cellToInputWeights;
1712 flatbuffers::Offset<serializer::ConstTensor> inputGateBias;
1713 flatbuffers::Offset<serializer::ConstTensor> projectionWeights;
1714 flatbuffers::Offset<serializer::ConstTensor> projectionBias;
1715 flatbuffers::Offset<serializer::ConstTensor> cellToForgetWeights;
1716 flatbuffers::Offset<serializer::ConstTensor> cellToOutputWeights;
1717 flatbuffers::Offset<serializer::ConstTensor> inputLayerNormWeights;
1718 flatbuffers::Offset<serializer::ConstTensor> forgetLayerNormWeights;
1719 flatbuffers::Offset<serializer::ConstTensor> cellLayerNormWeights;
1720 flatbuffers::Offset<serializer::ConstTensor> outputLayerNormWeights;
1721
1722 if (!descriptor.m_CifgEnabled)
1723 {
1724 inputToInputWeights = CreateConstTensorInfo(constants[i++]); //InputToInputWeights
1725 recurrentToInputWeights = CreateConstTensorInfo(constants[i++]); //RecurrentToInputWeights
1726 inputGateBias = CreateConstTensorInfo(constants[i++]); //InputGateBias
1727 }
1728
1729 if (descriptor.m_PeepholeEnabled)
1730 {
1731 if (!descriptor.m_CifgEnabled)
1732 {
1733 cellToInputWeights = CreateConstTensorInfo(constants[i++]); //CellToInputWeights
1734 }
1735 cellToForgetWeights = CreateConstTensorInfo(constants[i++]); //CellToForgetWeights
1736 cellToOutputWeights = CreateConstTensorInfo(constants[i++]); //CellToOutputWeights
1737 }
1738
1739 if (descriptor.m_ProjectionEnabled)
1740 {
1741 projectionWeights = CreateConstTensorInfo(constants[i++]); //ProjectionWeights
1742 projectionBias = CreateConstTensorInfo(constants[i++]); //ProjectionBias
1743 }
1744
1745 if (descriptor.m_LayerNormEnabled)
1746 {
1747 if (!descriptor.m_CifgEnabled)
1748 {
1749 inputLayerNormWeights = CreateConstTensorInfo(constants[i++]); //InputLayerNormWeights
1750 }
1751 forgetLayerNormWeights = CreateConstTensorInfo(constants[i++]); //ForgetLayerNormWeights
1752 cellLayerNormWeights = CreateConstTensorInfo(constants[i++]); //CellLayerNormWeights
1753 outputLayerNormWeights = CreateConstTensorInfo(constants[i++]); //OutputLayerNormWeights
1754 }
1755
1756 auto fbUnidirectionalSequenceLstmParams = serializer::CreateLstmInputParams(
1757 m_flatBufferBuilder,
1758 inputToForgetWeights,
1759 inputToCellWeights,
1760 inputToOutputWeights,
1761 recurrentToForgetWeights,
1762 recurrentToCellWeights,
1763 recurrentToOutputWeights,
1764 forgetGateBias,
1765 cellBias,
1766 outputGateBias,
1767 inputToInputWeights,
1768 recurrentToInputWeights,
1769 cellToInputWeights,
1770 inputGateBias,
1771 projectionWeights,
1772 projectionBias,
1773 cellToForgetWeights,
1774 cellToOutputWeights,
1775 inputLayerNormWeights,
1776 forgetLayerNormWeights,
1777 cellLayerNormWeights,
1778 outputLayerNormWeights);
1779
1780 auto fbUnidirectionalSequenceLstmLayer = serializer::CreateUnidirectionalSequenceLstmLayer(
1781 m_flatBufferBuilder,
1782 fbUnidirectionalSequenceLstmBaseLayer,
1783 fbUnidirectionalSequenceLstmDescriptor,
1784 fbUnidirectionalSequenceLstmParams);
1785
1786 CreateAnyLayer(fbUnidirectionalSequenceLstmLayer.o, serializer::Layer::Layer_UnidirectionalSequenceLstmLayer);
1787 }
1788
CreateLayerBase(const IConnectableLayer * layer,const serializer::LayerType layerType)1789 fb::Offset<serializer::LayerBase> SerializerStrategy::CreateLayerBase(const IConnectableLayer* layer,
1790 const serializer::LayerType layerType)
1791 {
1792
1793 uint32_t fbIndex = GetSerializedId(layer->GetGuid());
1794
1795 std::vector<fb::Offset<serializer::InputSlot>> inputSlots = CreateInputSlots(layer);
1796 std::vector<fb::Offset<serializer::OutputSlot>> outputSlots = CreateOutputSlots(layer);
1797
1798 return serializer::CreateLayerBase(m_flatBufferBuilder,
1799 fbIndex,
1800 m_flatBufferBuilder.CreateString(layer->GetName()),
1801 layerType,
1802 m_flatBufferBuilder.CreateVector(inputSlots),
1803 m_flatBufferBuilder.CreateVector(outputSlots));
1804 }
1805
CreateAnyLayer(const flatbuffers::Offset<void> & layer,const serializer::Layer serializerLayer)1806 void SerializerStrategy::CreateAnyLayer(const flatbuffers::Offset<void>& layer, const serializer::Layer serializerLayer)
1807 {
1808
1809 auto anyLayer = armnnSerializer::CreateAnyLayer(m_flatBufferBuilder, serializerLayer, layer);
1810 m_serializedLayers.push_back(anyLayer);
1811 }
1812
1813 template <typename T>
CreateDataVector(const void * memory,unsigned int size)1814 flatbuffers::Offset<flatbuffers::Vector<T>> SerializerStrategy::CreateDataVector(const void* memory, unsigned int size)
1815 {
1816 const T* buffer = reinterpret_cast<const T*>(memory);
1817 std::vector<T> vector(buffer, buffer + (size / sizeof(T)));
1818 auto fbVector = m_flatBufferBuilder.CreateVector(vector);
1819 return fbVector;
1820 }
1821
CreateTensorInfo(const armnn::TensorInfo & tensorInfo)1822 flatbuffers::Offset<TensorInfo> SerializerStrategy::CreateTensorInfo(const armnn::TensorInfo& tensorInfo)
1823 {
1824 // Get the dimensions
1825 std::vector<unsigned int> shape;
1826 std::vector<bool> specificity;
1827 // This assumes that the TensorShape constructors have ensured that the size of m_DimensionsSpecificity
1828 // matches the size of dimensions.
1829 for(unsigned int dim = 0; dim < tensorInfo.GetShape().GetNumDimensions(); ++dim)
1830 {
1831 specificity.push_back(tensorInfo.GetShape().GetDimensionSpecificity(dim));
1832
1833 if (tensorInfo.GetShape().GetDimensionSpecificity(dim))
1834 {
1835 shape.push_back(tensorInfo.GetShape()[dim]);
1836 }
1837 else
1838 {
1839 shape.push_back(0);
1840 }
1841 }
1842
1843 if (tensorInfo.HasPerAxisQuantization())
1844 {
1845 // Create FlatBuffer TensorInfo
1846 auto flatBufferTensorInfo =
1847 serializer::CreateTensorInfo(m_flatBufferBuilder,
1848 m_flatBufferBuilder.CreateVector(shape),
1849 GetFlatBufferDataType(tensorInfo.GetDataType()),
1850 tensorInfo.GetQuantizationScales()[0],
1851 tensorInfo.GetQuantizationOffset(),
1852 m_flatBufferBuilder.CreateVector(tensorInfo.GetQuantizationScales()),
1853 tensorInfo.GetQuantizationDim().value(),
1854 static_cast<unsigned int>
1855 (tensorInfo.GetShape().GetDimensionality()),
1856 m_flatBufferBuilder.CreateVector(specificity));
1857 return flatBufferTensorInfo;
1858 }
1859
1860 // Create FlatBuffer TensorInfo
1861 auto flatBufferTensorInfo = serializer::CreateTensorInfo(m_flatBufferBuilder,
1862 m_flatBufferBuilder.CreateVector(shape),
1863 GetFlatBufferDataType(tensorInfo.GetDataType()),
1864 tensorInfo.GetQuantizationScale(),
1865 tensorInfo.GetQuantizationOffset(),
1866 0,
1867 0,
1868 static_cast<unsigned int>
1869 (tensorInfo.GetShape().GetDimensionality()),
1870 m_flatBufferBuilder.CreateVector(specificity));
1871 return flatBufferTensorInfo;
1872 }
1873
1874 flatbuffers::Offset<serializer::ConstTensor>
CreateConstTensorInfo(const armnn::ConstTensor & constTensor)1875 SerializerStrategy::CreateConstTensorInfo(const armnn::ConstTensor& constTensor)
1876 {
1877 armnn::TensorInfo tensorInfo = constTensor.GetInfo();
1878
1879 flatbuffers::Offset<void> fbPayload;
1880
1881 switch (tensorInfo.GetDataType())
1882 {
1883 case armnn::DataType::Signed64:
1884 {
1885 auto fbVector = CreateDataVector<int64_t>(constTensor.GetMemoryArea(), constTensor.GetNumBytes());
1886 flatbuffers::Offset<serializer::LongData> flatBuffersData = serializer::CreateLongData(
1887 m_flatBufferBuilder,
1888 fbVector);
1889 fbPayload = flatBuffersData.o;
1890 break;
1891 }
1892 case armnn::DataType::Float32:
1893 case armnn::DataType::Signed32:
1894 {
1895 auto fbVector = CreateDataVector<int32_t>(constTensor.GetMemoryArea(), constTensor.GetNumBytes());
1896 flatbuffers::Offset<serializer::IntData> flatBuffersData = serializer::CreateIntData(
1897 m_flatBufferBuilder,
1898 fbVector);
1899 fbPayload = flatBuffersData.o;
1900 break;
1901 }
1902 case armnn::DataType::Float16:
1903 case armnn::DataType::BFloat16:
1904 case armnn::DataType::QSymmS16:
1905 {
1906 auto fbVector = CreateDataVector<int16_t>(constTensor.GetMemoryArea(), constTensor.GetNumBytes());
1907 flatbuffers::Offset<serializer::ShortData> flatBuffersData = serializer::CreateShortData(
1908 m_flatBufferBuilder,
1909 fbVector);
1910 fbPayload = flatBuffersData.o;
1911 break;
1912 }
1913 case armnn::DataType::QSymmS8:
1914 case armnn::DataType::QAsymmS8:
1915 case armnn::DataType::QAsymmU8:
1916 case armnn::DataType::Boolean:
1917 default:
1918 {
1919 auto fbVector = CreateDataVector<int8_t>(constTensor.GetMemoryArea(), constTensor.GetNumBytes());
1920 flatbuffers::Offset<serializer::ByteData> flatBuffersData = serializer::CreateByteData(
1921 m_flatBufferBuilder,
1922 fbVector);
1923 fbPayload = flatBuffersData.o;
1924 }
1925 }
1926 flatbuffers::Offset<serializer::ConstTensor> flatBufferConstTensor = serializer::CreateConstTensor(
1927 m_flatBufferBuilder,
1928 CreateTensorInfo(tensorInfo),
1929 GetFlatBufferConstTensorData(tensorInfo.GetDataType()),
1930 fbPayload);
1931 return flatBufferConstTensor;
1932 }
1933
GetVersionTable()1934 flatbuffers::Offset<armnnSerializer::FeatureCompatibilityVersions> SerializerStrategy::GetVersionTable()
1935 {
1936 flatbuffers::Offset<armnnSerializer::FeatureCompatibilityVersions> versionsTable =
1937 serializer::CreateFeatureCompatibilityVersions(
1938 m_flatBufferBuilder,
1939 1, // Binding ids scheme version
1940 1, // Weights layout scheme version
1941 1 // Constant tensors as inputs version
1942 );
1943 return versionsTable;
1944 }
1945
1946 std::vector<fb::Offset<serializer::InputSlot>>
CreateInputSlots(const armnn::IConnectableLayer * layer)1947 SerializerStrategy::CreateInputSlots(const armnn::IConnectableLayer* layer)
1948 {
1949 std::vector<fb::Offset<serializer::InputSlot>> inputSlots;
1950
1951 // Get the InputSlots
1952 for (unsigned int slotIndex = 0; slotIndex<layer->GetNumInputSlots(); ++slotIndex)
1953 {
1954 const IInputSlot& inputSlot = layer->GetInputSlot(slotIndex);
1955
1956 // Get the Connection for the InputSlot
1957 const IOutputSlot* connection = inputSlot.GetConnection();
1958
1959 // Create FlatBuffer Connection
1960 serializer::Connection conn(GetSerializedId(inputSlot.GetConnection()->GetOwningLayerGuid()),
1961 connection->CalculateIndexOnOwner());
1962 // Create FlatBuffer InputSlot
1963 inputSlots.push_back(serializer::CreateInputSlot(m_flatBufferBuilder, slotIndex, &conn));
1964 }
1965 return inputSlots;
1966 }
1967
1968 std::vector<fb::Offset<serializer::OutputSlot>>
CreateOutputSlots(const armnn::IConnectableLayer * layer)1969 SerializerStrategy::CreateOutputSlots(const armnn::IConnectableLayer* layer)
1970 {
1971 std::vector<fb::Offset<serializer::OutputSlot>> outputSlots;
1972
1973 // Get the OutputSlots
1974 for (unsigned int slotIndex = 0; slotIndex < layer->GetNumOutputSlots(); ++slotIndex)
1975 {
1976 const IOutputSlot& outputSlot = layer->GetOutputSlot(slotIndex);
1977 const armnn::TensorInfo& tensorInfo = outputSlot.GetTensorInfo();
1978
1979 // Create FlatBuffer Outputslot
1980 outputSlots.push_back(serializer::CreateOutputSlot(m_flatBufferBuilder,
1981 slotIndex,
1982 CreateTensorInfo(tensorInfo)));
1983 }
1984 return outputSlots;
1985 }
1986
ExecuteStrategy(const armnn::IConnectableLayer * layer,const BaseDescriptor & descriptor,const std::vector<armnn::ConstTensor> & constants,const char * name,const armnn::LayerBindingId id)1987 void SerializerStrategy::ExecuteStrategy(const armnn::IConnectableLayer* layer,
1988 const BaseDescriptor& descriptor,
1989 const std::vector<armnn::ConstTensor>& constants,
1990 const char* name,
1991 const armnn::LayerBindingId id)
1992 {
1993 IgnoreUnused(constants);
1994
1995 switch (layer->GetType())
1996 {
1997 case armnn::LayerType::Activation :
1998 {
1999 const armnn::ActivationDescriptor& layerDescriptor =
2000 static_cast<const armnn::ActivationDescriptor&>(descriptor);
2001 SerializeActivationLayer(layer, layerDescriptor, name);
2002 break;
2003 }
2004 case armnn::LayerType::Addition :
2005 {
2006 SerializeAdditionLayer(layer, name);
2007 break;
2008 }
2009 case armnn::LayerType::ArgMinMax :
2010 {
2011 const armnn::ArgMinMaxDescriptor& layerDescriptor =
2012 static_cast<const armnn::ArgMinMaxDescriptor&>(descriptor);
2013 SerializeArgMinMaxLayer(layer, layerDescriptor, name);
2014 break;
2015 }
2016 case armnn::LayerType::BatchMatMul:
2017 {
2018 const armnn::BatchMatMulDescriptor& layerDescriptor =
2019 static_cast<const armnn::BatchMatMulDescriptor&>(descriptor);
2020 SerializeBatchMatMulLayer(layer,
2021 layerDescriptor,
2022 name);
2023 break;
2024 }
2025 case armnn::LayerType::BatchNormalization :
2026 {
2027 const armnn::BatchNormalizationDescriptor& layerDescriptor =
2028 static_cast<const armnn::BatchNormalizationDescriptor&>(descriptor);
2029 SerializeBatchNormalizationLayer(layer,
2030 layerDescriptor,
2031 constants,
2032 name);
2033 break;
2034 }
2035 case armnn::LayerType::BatchToSpaceNd :
2036 {
2037 const armnn::BatchToSpaceNdDescriptor& layerDescriptor =
2038 static_cast<const armnn::BatchToSpaceNdDescriptor&>(descriptor);
2039 SerializeBatchToSpaceNdLayer(layer,
2040 layerDescriptor,
2041 name);
2042 break;
2043 }
2044 case armnn::LayerType::Cast :
2045 {
2046 SerializeCastLayer(layer, name);
2047 break;
2048 }
2049 case armnn::LayerType::ChannelShuffle :
2050 {
2051 const armnn::ChannelShuffleDescriptor& layerDescriptor =
2052 static_cast<const armnn::ChannelShuffleDescriptor&>(descriptor);
2053 SerializeChannelShuffleLayer(layer,
2054 layerDescriptor,
2055 name);
2056 break;
2057 }
2058 case armnn::LayerType::Comparison :
2059 {
2060 const armnn::ComparisonDescriptor& layerDescriptor =
2061 static_cast<const armnn::ComparisonDescriptor&>(descriptor);
2062 SerializeComparisonLayer(layer,
2063 layerDescriptor,
2064 name);
2065 break;
2066 }
2067 case armnn::LayerType::Concat :
2068 {
2069 const armnn::ConcatDescriptor& layerDescriptor =
2070 static_cast<const armnn::ConcatDescriptor&>(descriptor);
2071 SerializeConcatLayer(layer,
2072 layerDescriptor,
2073 name);
2074 break;
2075 }
2076 case armnn::LayerType::Constant :
2077 {
2078 SerializeConstantLayer(layer,
2079 constants,
2080 name);
2081 break;
2082 }
2083 case armnn::LayerType::Convolution2d :
2084 {
2085 const armnn::Convolution2dDescriptor& layerDescriptor =
2086 static_cast<const armnn::Convolution2dDescriptor&>(descriptor);
2087 SerializeConvolution2dLayer(layer,
2088 layerDescriptor,
2089 name);
2090 break;
2091 }
2092 case armnn::LayerType::Convolution3d :
2093 {
2094 const armnn::Convolution3dDescriptor& layerDescriptor =
2095 static_cast<const armnn::Convolution3dDescriptor&>(descriptor);
2096 SerializeConvolution3dLayer(layer,
2097 layerDescriptor,
2098 name);
2099 break;
2100 }
2101 case armnn::LayerType::DepthToSpace :
2102 {
2103 const armnn::DepthToSpaceDescriptor& layerDescriptor =
2104 static_cast<const armnn::DepthToSpaceDescriptor&>(descriptor);
2105 SerializeDepthToSpaceLayer(layer,
2106 layerDescriptor,
2107 name);
2108 break;
2109 }
2110 case armnn::LayerType::DepthwiseConvolution2d :
2111 {
2112 const armnn::DepthwiseConvolution2dDescriptor& layerDescriptor =
2113 static_cast<const armnn::DepthwiseConvolution2dDescriptor&>(descriptor);
2114 SerializeDepthwiseConvolution2dLayer(layer,
2115 layerDescriptor,
2116 name);
2117 break;
2118 }
2119 case armnn::LayerType::Dequantize :
2120 {
2121 SerializeDequantizeLayer(layer,
2122 name);
2123 break;
2124 }
2125 case armnn::LayerType::DetectionPostProcess :
2126 {
2127 const armnn::DetectionPostProcessDescriptor& layerDescriptor =
2128 static_cast<const armnn::DetectionPostProcessDescriptor&>(descriptor);
2129 SerializeDetectionPostProcessLayer(layer, layerDescriptor, constants, name);
2130 break;
2131 }
2132 case armnn::LayerType::Division :
2133 {
2134 SerializeDivisionLayer(layer, name);
2135 break;
2136 }
2137 case armnn::LayerType::ElementwiseBinary :
2138 {
2139 const armnn::ElementwiseBinaryDescriptor& layerDescriptor =
2140 static_cast<const armnn::ElementwiseBinaryDescriptor&>(descriptor);
2141 SerializeElementwiseBinaryLayer(layer, layerDescriptor, name);
2142 break;
2143 }
2144 case armnn::LayerType::ElementwiseUnary :
2145 {
2146 const armnn::ElementwiseUnaryDescriptor& layerDescriptor =
2147 static_cast<const armnn::ElementwiseUnaryDescriptor&>(descriptor);
2148 SerializeElementwiseUnaryLayer(layer, layerDescriptor, name);
2149 break;
2150 }
2151 case armnn::LayerType::Fill :
2152 {
2153 const armnn::FillDescriptor& layerDescriptor =
2154 static_cast<const armnn::FillDescriptor&>(descriptor);
2155 SerializeFillLayer(layer, layerDescriptor, name);
2156 break;
2157 }
2158 case armnn::LayerType::Floor :
2159 {
2160 SerializeFloorLayer(layer, name);
2161 break;
2162 }
2163 case armnn::LayerType::FullyConnected :
2164 {
2165 const armnn::FullyConnectedDescriptor& layerDescriptor =
2166 static_cast<const armnn::FullyConnectedDescriptor&>(descriptor);
2167 SerializeFullyConnectedLayer(layer, layerDescriptor, name);
2168 break;
2169 }
2170 case armnn::LayerType::Gather :
2171 {
2172 const armnn::GatherDescriptor& layerDescriptor =
2173 static_cast<const armnn::GatherDescriptor&>(descriptor);
2174 SerializeGatherLayer(layer, layerDescriptor, name);
2175 break;
2176 }
2177 case armnn::LayerType::GatherNd :
2178 {
2179 SerializeGatherNdLayer(layer, name);
2180 break;
2181 }
2182 case armnn::LayerType::Input:
2183 {
2184 SerializeInputLayer(layer, id, name);
2185 break;
2186 }
2187 case armnn::LayerType::InstanceNormalization :
2188 {
2189 const armnn::InstanceNormalizationDescriptor& layerDescriptor =
2190 static_cast<const armnn::InstanceNormalizationDescriptor&>(descriptor);
2191 SerializeInstanceNormalizationLayer(layer, layerDescriptor, name);
2192 break;
2193 }
2194 case armnn::LayerType::L2Normalization :
2195 {
2196 const armnn::L2NormalizationDescriptor& layerDescriptor =
2197 static_cast<const armnn::L2NormalizationDescriptor&>(descriptor);
2198 SerializeL2NormalizationLayer(layer, layerDescriptor, name);
2199 break;
2200 }
2201 case armnn::LayerType::LogicalBinary :
2202 {
2203 const armnn::LogicalBinaryDescriptor& layerDescriptor =
2204 static_cast<const armnn::LogicalBinaryDescriptor&>(descriptor);
2205 SerializeLogicalBinaryLayer(layer, layerDescriptor, name);
2206 break;
2207 }
2208 case armnn::LayerType::LogSoftmax :
2209 {
2210 const armnn::LogSoftmaxDescriptor& layerDescriptor =
2211 static_cast<const armnn::LogSoftmaxDescriptor&>(descriptor);
2212 SerializeLogSoftmaxLayer(layer, layerDescriptor, name);
2213 break;
2214 }
2215 case armnn::LayerType::Lstm :
2216 {
2217 const armnn::LstmDescriptor& layerDescriptor =
2218 static_cast<const armnn::LstmDescriptor&>(descriptor);
2219 SerializeLstmLayer(layer, layerDescriptor, constants, name);
2220 break;
2221 }
2222 case armnn::LayerType::QLstm :
2223 {
2224 const armnn::QLstmDescriptor& layerDescriptor =
2225 static_cast<const armnn::QLstmDescriptor&>(descriptor);
2226 SerializeQLstmLayer(layer, layerDescriptor, constants, name);
2227 break;
2228 }
2229 case armnn::LayerType::Maximum :
2230 {
2231 SerializeMaximumLayer(layer, name);
2232 break;
2233 }
2234 case armnn::LayerType::Mean :
2235 {
2236 const armnn::MeanDescriptor& layerDescriptor =
2237 static_cast<const armnn::MeanDescriptor&>(descriptor);
2238 SerializeMeanLayer(layer, layerDescriptor, name);
2239 break;
2240 }
2241 case armnn::LayerType::Merge :
2242 {
2243 SerializeMergeLayer(layer, name);
2244 break;
2245 }
2246 case armnn::LayerType::Minimum :
2247 {
2248 SerializeMinimumLayer(layer, name);
2249 break;
2250 }
2251 case armnn::LayerType::Multiplication :
2252 {
2253 SerializeMultiplicationLayer(layer, name);
2254 break;
2255 }
2256 case armnn::LayerType::Normalization :
2257 {
2258 const armnn::NormalizationDescriptor& layerDescriptor =
2259 static_cast<const armnn::NormalizationDescriptor&>(descriptor);
2260 SerializeNormalizationLayer(layer, layerDescriptor, name);
2261 break;
2262 }
2263 case armnn::LayerType::Output:
2264 {
2265 SerializeOutputLayer(layer, id, name);
2266 break;
2267 }
2268 case armnn::LayerType::Pad :
2269 {
2270 const armnn::PadDescriptor& layerDescriptor =
2271 static_cast<const armnn::PadDescriptor&>(descriptor);
2272 SerializePadLayer(layer, layerDescriptor, name);
2273 break;
2274 }
2275 case armnn::LayerType::Permute :
2276 {
2277 const armnn::PermuteDescriptor& layerDescriptor =
2278 static_cast<const armnn::PermuteDescriptor&>(descriptor);
2279 SerializePermuteLayer(layer, layerDescriptor, name);
2280 break;
2281 }
2282 case armnn::LayerType::Pooling2d :
2283 {
2284 const armnn::Pooling2dDescriptor& layerDescriptor =
2285 static_cast<const armnn::Pooling2dDescriptor&>(descriptor);
2286 SerializePooling2dLayer(layer, layerDescriptor, name);
2287 break;
2288 }
2289 case armnn::LayerType::Pooling3d :
2290 {
2291 const armnn::Pooling3dDescriptor& layerDescriptor =
2292 static_cast<const armnn::Pooling3dDescriptor&>(descriptor);
2293 SerializePooling3dLayer(layer, layerDescriptor, name);
2294 break;
2295 }
2296 case armnn::LayerType::Prelu :
2297 {
2298 SerializePreluLayer(layer, name);
2299 break;
2300 }
2301 case armnn::LayerType::Quantize :
2302 {
2303 SerializeQuantizeLayer(layer, name);
2304 break;
2305 }
2306 case armnn::LayerType::QuantizedLstm:
2307 SerializeQuantizedLstmLayer(layer, constants, name);
2308 break;
2309 case armnn::LayerType::Reshape:
2310 {
2311 const armnn::ReshapeDescriptor &layerDescriptor =
2312 static_cast<const armnn::ReshapeDescriptor &>(descriptor);
2313 SerializeReshapeLayer(layer, layerDescriptor, name);
2314 break;
2315 }
2316 case armnn::LayerType::Rank:
2317 {
2318 SerializeRankLayer(layer, name);
2319 break;
2320 }
2321 case armnn::LayerType::Reduce:
2322 {
2323 const armnn::ReduceDescriptor& layerDescriptor =
2324 static_cast<const armnn::ReduceDescriptor&>(descriptor);
2325 SerializeReduceLayer(layer, layerDescriptor, name);
2326 break;
2327 }
2328 case armnn::LayerType::Resize:
2329 {
2330 const armnn::ResizeDescriptor& layerDescriptor =
2331 static_cast<const armnn::ResizeDescriptor&>(descriptor);
2332 SerializeResizeLayer(layer, layerDescriptor, name);
2333 break;
2334 }
2335 case armnn::LayerType::Shape:
2336 {
2337 SerializeShapeLayer(layer, name);
2338 break;
2339 }
2340 case armnn::LayerType::Slice:
2341 {
2342 const armnn::SliceDescriptor& layerDescriptor =
2343 static_cast<const armnn::SliceDescriptor&>(descriptor);
2344 SerializeSliceLayer(layer, layerDescriptor, name);
2345 break;
2346 }
2347 case armnn::LayerType::Softmax:
2348 {
2349 const armnn::SoftmaxDescriptor& layerDescriptor =
2350 static_cast<const armnn::SoftmaxDescriptor&>(descriptor);
2351 SerializeSoftmaxLayer(layer, layerDescriptor, name);
2352 break;
2353 }
2354 case armnn::LayerType::SpaceToBatchNd:
2355 {
2356 const armnn::SpaceToBatchNdDescriptor& layerDescriptor =
2357 static_cast<const armnn::SpaceToBatchNdDescriptor&>(descriptor);
2358 SerializeSpaceToBatchNdLayer(layer, layerDescriptor, name);
2359 break;
2360 }
2361 case armnn::LayerType::SpaceToDepth:
2362 {
2363 const armnn::SpaceToDepthDescriptor& layerDescriptor =
2364 static_cast<const armnn::SpaceToDepthDescriptor&>(descriptor);
2365 SerializeSpaceToDepthLayer(layer, layerDescriptor, name);
2366 break;
2367 }
2368 case armnn::LayerType::Splitter:
2369 {
2370 const armnn::SplitterDescriptor& layerDescriptor =
2371 static_cast<const armnn::SplitterDescriptor&>(descriptor);
2372 SerializeSplitterLayer(layer, layerDescriptor, name);
2373 break;
2374 }
2375 case armnn::LayerType::Stack:
2376 {
2377 const armnn::StackDescriptor& layerDescriptor =
2378 static_cast<const armnn::StackDescriptor&>(descriptor);
2379 SerializeStackLayer(layer, layerDescriptor, name);
2380 break;
2381 }
2382 case armnn::LayerType::StandIn:
2383 {
2384 const armnn::StandInDescriptor& layerDescriptor =
2385 static_cast<const armnn::StandInDescriptor&>(descriptor);
2386 SerializeStandInLayer(layer, layerDescriptor, name);
2387 break;
2388 }
2389 case armnn::LayerType::StridedSlice:
2390 {
2391 const armnn::StridedSliceDescriptor& layerDescriptor =
2392 static_cast<const armnn::StridedSliceDescriptor&>(descriptor);
2393 SerializeStridedSliceLayer(layer, layerDescriptor, name);
2394 break;
2395 }
2396 case armnn::LayerType::Subtraction:
2397 {
2398 SerializeSubtractionLayer(layer, name);
2399 break;
2400 }
2401 case armnn::LayerType::Switch:
2402 {
2403 SerializeSwitchLayer(layer, name);
2404 break;
2405 }
2406 case armnn::LayerType::Transpose:
2407 {
2408 const armnn::TransposeDescriptor& layerDescriptor =
2409 static_cast<const armnn::TransposeDescriptor&>(descriptor);
2410 SerializeTransposeLayer(layer, layerDescriptor, name);
2411 break;
2412 }
2413 case armnn::LayerType::TransposeConvolution2d:
2414 {
2415 const armnn::TransposeConvolution2dDescriptor& layerDescriptor =
2416 static_cast<const armnn::TransposeConvolution2dDescriptor&>(descriptor);
2417 SerializeTransposeConvolution2dLayer(layer, layerDescriptor, constants, name);
2418 break;
2419 }
2420 case armnn::LayerType::UnidirectionalSequenceLstm :
2421 {
2422 const armnn::UnidirectionalSequenceLstmDescriptor& layerDescriptor =
2423 static_cast<const armnn::UnidirectionalSequenceLstmDescriptor&>(descriptor);
2424 SerializeUnidirectionalSequenceLstmLayer(layer, layerDescriptor, constants, name);
2425 break;
2426 }
2427 default:
2428 {
2429 throw InvalidArgumentException(
2430 fmt::format("A layer of unknown type was given to the serializer. Layer name: {}; Layer Id: {}",
2431 layer->GetName(),
2432 id));
2433 }
2434 }
2435 }
2436
Serialize(const INetwork & inNetwork)2437 void ISerializer::SerializerImpl::Serialize(const INetwork& inNetwork)
2438 {
2439 // Iterate through to network
2440 inNetwork.ExecuteStrategy(m_SerializerStrategy);
2441 flatbuffers::FlatBufferBuilder& fbBuilder = m_SerializerStrategy.GetFlatBufferBuilder();
2442
2443 // Create FlatBuffer SerializedGraph
2444 auto serializedGraph = serializer::CreateSerializedGraph(
2445 fbBuilder,
2446 fbBuilder.CreateVector(m_SerializerStrategy.GetSerializedLayers()),
2447 fbBuilder.CreateVector(m_SerializerStrategy.GetInputIds()),
2448 fbBuilder.CreateVector(m_SerializerStrategy.GetOutputIds()),
2449 m_SerializerStrategy.GetVersionTable());
2450
2451 // Serialize the graph
2452 fbBuilder.Finish(serializedGraph);
2453 }
2454
2455
SaveSerializedToStream(std::ostream & stream)2456 bool ISerializer::SerializerImpl::SaveSerializedToStream(std::ostream& stream)
2457 {
2458 flatbuffers::FlatBufferBuilder& fbBuilder = m_SerializerStrategy.GetFlatBufferBuilder();
2459
2460 auto bytesToWrite = armnn::numeric_cast<std::streamsize>(fbBuilder.GetSize());
2461 stream.write(reinterpret_cast<const char*>(fbBuilder.GetBufferPointer()), bytesToWrite);
2462 return !stream.bad();
2463 }
2464
2465 } // namespace armnnSerializer
2466