blob: c764e2a059e8e0aade8d60ebccffd461ef9c31a2 [file] [log] [blame]
//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "Network.hpp"
#include "Graph.hpp"
#include "Layer.hpp"
#include "DeviceSpec.hpp"
#include "Optimizer.hpp"
#include "SubgraphViewSelector.hpp"
#include "BackendSettings.hpp"
#include "optimizations/All.hpp"
#include <backendsCommon/CpuTensorHandle.hpp>
#include <backendsCommon/WorkloadFactory.hpp>
#include <backendsCommon/IBackendInternal.hpp>
#include <backendsCommon/TensorHandleFactoryRegistry.hpp>
#include <armnn/Exceptions.hpp>
#include <armnn/Utils.hpp>
#include <armnn/TypesUtils.hpp>
#include <armnn/BackendRegistry.hpp>
#include <ProfilingService.hpp>
#include <fcntl.h>
#include <algorithm>
#include <fstream>
#include <memory>
#include <vector>
#include <algorithm>
#include <boost/assert.hpp>
#include <boost/format.hpp>
#include <boost/numeric/conversion/converter_policies.hpp>
#include <boost/cast.hpp>
namespace armnn
{
armnn::INetwork* INetwork::CreateRaw()
{
return new Network();
}
armnn::INetworkPtr INetwork::Create()
{
return INetworkPtr(CreateRaw(), &INetwork::Destroy);
}
void INetwork::Destroy(INetwork* network)
{
delete boost::polymorphic_downcast<Network*>(network);
}
void IOptimizedNetwork::Destroy(IOptimizedNetwork* network)
{
delete boost::polymorphic_downcast<OptimizedNetwork*>(network);
}
Status OptimizedNetwork::PrintGraph()
{
m_Graph->Print();
return Status::Success;
}
Status OptimizedNetwork::SerializeToDot(std::ostream& stream) const
{
return m_Graph->SerializeToDot(stream);
}
void ReportError(const std::string& errorMessage,
Optional<std::vector<std::string>&> errorMessages)
{
std::stringstream fullErrorMessage;
fullErrorMessage << "ERROR: " << errorMessage;
ARMNN_LOG(warning) << fullErrorMessage.str();
if (errorMessages)
{
errorMessages.value().push_back(fullErrorMessage.str());
}
}
void ReportWarning(const std::string& warningMessage,
Optional<std::vector<std::string>&> warningMessages)
{
std::stringstream fullWarningMessage;
fullWarningMessage << "WARNING: " << warningMessage;
ARMNN_LOG(warning) << fullWarningMessage.str();
if (warningMessages)
{
warningMessages.value().push_back(fullWarningMessage.str());
}
}
bool CheckScaleSetOnQuantizedType(Layer* layer, Optional<std::vector<std::string>&> errMessages)
{
bool noErrors = true;
unsigned int numOutputs = layer->GetNumOutputSlots();
for (unsigned int i = 0; i < numOutputs; i++) {
OutputSlot& outputSlot = layer->GetOutputSlot(i);
TensorInfo info = outputSlot.GetTensorInfo();
if (DataType::QuantisedAsymm8 == info.GetDataType()) {
if (0.f == info.GetQuantizationScale()) {
noErrors = false;
std::stringstream ss;
ss << "output " << i << " of layer " << GetLayerTypeAsCString(layer->GetType())
<< " (" << layer->GetNameStr() << ") is of type"
<< " Quantized 8 bit but its scale parameter has not been set";
ReportError(ss.str(), errMessages);
}
// Softmax under QuantisedAsymm8 must always be scale (1.0f/256.0f) and offset 0
if ((info.GetQuantizationScale() != (1.0f / 256.0f) ||
info.GetQuantizationOffset() != 0) &&
layer->GetType() == armnn::LayerType::Softmax)
{
std::stringstream ss;
ss << "Quantization parameters for Softmax layer (Scale: " <<
info.GetQuantizationScale() << " and Offset: " << info.GetQuantizationOffset() <<
") are incorrect and have been updated to Scale: 0.00390625 and Offset: 0";
ARMNN_LOG(warning) << ss.str();
info.SetQuantizationScale((1.0f /256.0f));
info.SetQuantizationOffset(0);
outputSlot.SetTensorInfo(info);
}
}
}
return noErrors;
}
OptimizationResult AssignBackends(OptimizedNetwork* optNetObjPtr,
BackendSettings& backendSettings,
Graph::Iterator& firstLayer,
Graph::Iterator& lastLayer,
Optional<std::vector<std::string>&> errMessages)
{
OptimizationResult result;
// Helper lambda to compose meaningful error message before returning with error
auto ReturnWithError = [&](const Layer* layer)
{
std::stringstream failureMsg;
failureMsg << "Layer of type " << GetLayerTypeAsCString(layer->GetType())
<< " is not supported on any preferred backend " << backendSettings.m_PreferredBackends;
ReportError(failureMsg.str(), errMessages);
result.m_Error = true;
return result;
};
auto availablePreferredBackends = backendSettings.GetAvailablePreferredBackends();
if (availablePreferredBackends.empty())
{
std::stringstream failureMsg;
failureMsg << "No preferred backends are available";
ReportError(failureMsg.str(), errMessages);
result.m_Error = true;
return result;
}
for (auto it = firstLayer; it != lastLayer; ++it)
{
auto layer = *it;
DataType dataTypeIn = layer->GetNumInputSlots() == 0 ? DataType::Float32 :
layer->GetInputSlot(0).GetConnectedOutputSlot()->GetTensorInfo().GetDataType();
DataType dataTypeOut = layer->GetNumOutputSlots() == 0 ? DataType::Float32 :
layer->GetOutputSlot(0).GetTensorInfo().GetDataType();
std::string reasonIfUnsupported;
bool found = false;
if (!CheckScaleSetOnQuantizedType(layer, errMessages))
{
// don't bomb immediately, find all the quantized outputs
// which haven't had a scale set and report them all back.
result.m_Error = true;
}
for (const auto& backend : availablePreferredBackends)
{
// need to set the compute device on the layer
// before we can check if it is supported
layer->SetBackendId(backend);
if (!IWorkloadFactory::IsLayerSupported(*layer, EmptyOptional(), reasonIfUnsupported))
{
if (dataTypeIn == DataType::Float16 || dataTypeOut == DataType::Float16)
{
if (IWorkloadFactory::IsLayerSupported(*layer, DataType::Float32, reasonIfUnsupported)
&& layer->GetType() != LayerType::ConvertFp32ToFp16
&& layer->GetType() != LayerType::ConvertFp16ToFp32)
{
// Insert FP16 -> FP32 conversion layer before current layer
std::vector<ConvertFp16ToFp32Layer*> convertFp16ToFp32Layers;
if (dataTypeIn == DataType::Float16)
{
convertFp16ToFp32Layers =
InsertConvertFp16ToFp32LayersBefore(optNetObjPtr->GetGraph(), *layer);
}
// Insert FP32 -> FP16 conversion layer after current layer
std::vector<ConvertFp32ToFp16Layer*> convertFp32ToFp16Layers;
if (dataTypeOut == DataType::Float16)
{
convertFp32ToFp16Layers =
InsertConvertFp32ToFp16LayersAfter(optNetObjPtr->GetGraph(), *layer);
}
// Assign a supported backend to the newly introduced conversion layers
auto AssignFirstSupportedBackend = [&](Layer* layer, BackendId preferredBackend)
{
bool supportedBackendFound = false;
std::string reasonIfUnsupported;
// Try preferred backend first
layer->SetBackendId(preferredBackend);
if (IWorkloadFactory::IsLayerSupported(*layer,
EmptyOptional(),
reasonIfUnsupported))
{
supportedBackendFound = true;
}
else
{
for (const auto& backend : availablePreferredBackends)
{
// Skip preferred backend (we already determined that it is not supported)
if (backend == preferredBackend)
{
continue;
}
layer->SetBackendId(backend);
if (IWorkloadFactory::IsLayerSupported(*layer,
EmptyOptional(),
reasonIfUnsupported))
{
supportedBackendFound = true;
break;
}
}
}
return supportedBackendFound;
};
for (ConvertFp16ToFp32Layer* convertLayer : convertFp16ToFp32Layers)
{
if (!AssignFirstSupportedBackend(convertLayer, backend))
{
return ReturnWithError(convertLayer);
}
}
for (ConvertFp32ToFp16Layer* convertLayer : convertFp32ToFp16Layers)
{
if (!AssignFirstSupportedBackend(convertLayer, backend))
{
return ReturnWithError(convertLayer);
}
}
found = true;
break;
}
}
std::stringstream warningMsg;
warningMsg << "Layer of type " << GetLayerTypeAsCString(layer->GetType())
<< " is not supported on requested backend " << layer->GetBackendId().Get()
<< " for input data type " << GetDataTypeName(dataTypeIn)
<< " and output data type " << GetDataTypeName(dataTypeOut)
<< " (reason: " << reasonIfUnsupported
<< "), falling back to the next backend.";
ReportWarning(warningMsg.str(), errMessages);
}
else
{
found = true;
backendSettings.m_SelectedBackends.insert(backend);
break;
}
}
// If the layer is unsupported by any devices, log and return a null network.
if (!found)
{
// NOTE: if the layer is not an operation queue type AND we have not got CpuRef as a
// fallback we should set the compute device on the layer to CpuRef (these are not
// available as accelerated operations, or are only available under certain
// conditions, currently they comprise MemCopy, Constant, Permute)
armnn::LayerType layerType = layer->GetType();
if (!backendSettings.IsCpuRefUsed() && (layerType == armnn::LayerType::MemCopy ||
layerType == armnn::LayerType::Constant ||
layerType == armnn::LayerType::Permute))
{
BackendId cpuBackendId(armnn::Compute::CpuRef);
layer->SetBackendId(cpuBackendId);
backendSettings.m_SelectedBackends.insert(cpuBackendId);
}
else
{
return ReturnWithError(layer);
}
}
}
return result;
}
OptimizationResult AssignBackends(OptimizedNetwork* optNetObjPtr,
BackendSettings& backendSettings,
SubgraphView& subgraph,
Optional<std::vector<std::string>&> errMessages)
{
Graph::Iterator firstLayer = subgraph.begin();
Graph::Iterator lastLayer = subgraph.end();
return AssignBackends(optNetObjPtr,
backendSettings,
firstLayer,
lastLayer,
errMessages);
}
BackendsMap CreateSupportedBackends(TensorHandleFactoryRegistry& handleFactoryRegistry,
BackendSettings& backendSettings)
{
BackendsMap backends;
auto const& backendRegistry = BackendRegistryInstance();
for (auto&& selectedBackend : backendSettings.m_SupportedBackends)
{
auto backendFactory = backendRegistry.GetFactory(selectedBackend);
auto backendObjPtr = backendFactory();
BOOST_ASSERT(backendObjPtr);
backendObjPtr->RegisterTensorHandleFactories(handleFactoryRegistry);
backends[backendObjPtr->GetId()] = std::move(backendObjPtr);
}
return backends;
}
OptimizationResult ApplyBackendOptimizations(OptimizedNetwork* optNetObjPtr,
BackendSettings& backendSettings,
BackendsMap& backends,
Optional<std::vector<std::string>&> errMessages)
{
BOOST_ASSERT(optNetObjPtr);
OptimizationResult result;
// Get the optimized graph
Graph& optGraph = optNetObjPtr->GetGraph();
// Run backend specific optimizations
for (auto&& selectedBackend : backendSettings.m_SelectedBackends)
{
auto backendObjPtr = backends.find(selectedBackend)->second.get();
BOOST_ASSERT(backendObjPtr);
// Select sub-graphs based on backend
SubgraphViewSelector::Subgraphs subgraphs =
SubgraphViewSelector::SelectSubgraphs(optGraph,
// Select layers assigned to the requested backend
[&backendObjPtr](const Layer& layer)
{
return layer.GetType() != LayerType::Input &&
layer.GetType() != LayerType::Output &&
layer.GetBackendId() == backendObjPtr->GetId();
});
if (subgraphs.empty())
{
// No sub-graphs found, try with next selected backend
continue;
}
// Try to optimize each sub-graph
for (auto& subgraph : subgraphs)
{
// Try to optimize the current sub-graph
OptimizationViews optimizationViews = backendObjPtr->OptimizeSubgraphView(*subgraph);
BOOST_ASSERT(optimizationViews.Validate(*subgraph));
// Optimization attempted, check the resulting optimized sub-graph
for (auto& substitution : optimizationViews.GetSubstitutions())
{
// Sub-graph optimized, substitute the sub-graph with the new optimized one in the main optimized graph
SubgraphView& replacementSubgraph = substitution.m_ReplacementSubgraph;
SubgraphView& substitutableSubgraph = substitution.m_SubstitutableSubgraph;
optGraph.SubstituteSubgraph(substitutableSubgraph, replacementSubgraph);
// Assign the current backend to the optimized sub-graph
std::for_each(replacementSubgraph.begin(), replacementSubgraph.end(), [&selectedBackend](Layer* l)
{
BOOST_ASSERT(l);
l->SetBackendId(selectedBackend);
});
}
if (!optimizationViews.GetFailedSubgraphs().empty())
{
std::stringstream warningMsg;
warningMsg << "Some sub-graph(s) failed to optimized on " << backendObjPtr->GetId() << " backend.";
ReportWarning(warningMsg.str(), errMessages);
// Failed to optimize the given sub-graph, re-assign the sub-graph layers to other available backends
BackendSettings settingsCopy(backendSettings);
if (!backendObjPtr->GetId().IsCpuRef())
{
// Add the current backend to the list of backends to ignore
settingsCopy.m_IgnoredBackends.insert(backendObjPtr->GetId());
}
int count=0;
for (auto& failedSubgraph : optimizationViews.GetFailedSubgraphs())
{
// An error occurred: the optimization was attempted but not performed, try different backends
std::stringstream subgraphMsg;
subgraphMsg << "Re-assigning backends to " << failedSubgraph.GetLayers().size()
<< " layers inside sub-graph " << count++;
ReportWarning(subgraphMsg.str(), errMessages);
OptimizationResult reassignmentResult = AssignBackends(optNetObjPtr,
settingsCopy,
*subgraph,
errMessages);
if (reassignmentResult.m_Error)
{
// Failed to re-assign one of the remaining backends to each layer of the sub-graph
result.m_Error = true;
return result;
}
}
}
}
}
return result;
}
bool RequiresCopy(ITensorHandleFactory::FactoryId src,
ITensorHandleFactory::FactoryId dst,
TensorHandleFactoryRegistry& registry)
{
if (src != dst)
{
ITensorHandleFactory* srcFactory = registry.GetFactory(src);
ITensorHandleFactory* dstFactory = registry.GetFactory(dst);
if (srcFactory && dstFactory &&
(srcFactory->GetExportFlags() & dstFactory->GetImportFlags()) != 0)
{
return false;
}
return true;
}
return false;
}
// Find the handle factory for the input layer which results in fewest required copies.
ITensorHandleFactory::FactoryId CalculateSlotOptionForInput(BackendsMap& backends,
OutputSlot& slot,
TensorHandleFactoryRegistry& registry)
{
Layer& layer = slot.GetOwningLayer();
BOOST_ASSERT(layer.GetType() == LayerType::Input);
// Explicitly select the tensorhandle factory for InputLayer because the rules for it are slightly different. It
// doesn't matter which backend it is assigned to because they all use the same implementation, which
// requires Map/Unmap support. This means that, so long as the handle type supports map/unmap semantics, we can
// select a factory with maximum compatibility with the layers connected to the InputLayer.
// First ensure the from backends can support the TensorHandeAPI
auto frmBackend = backends.find(layer.GetBackendId());
if (frmBackend == backends.end() ||
!frmBackend->second->SupportsTensorAllocatorAPI())
{
return ITensorHandleFactory::LegacyFactoryId;
}
// Go through all connections to the output slot and determine the TensorHandleFactory which results in the
// fewest copies.
std::map<ITensorHandleFactory::FactoryId, int> factoryScores;
int topScore = 0;
ITensorHandleFactory::FactoryId topChoice = ITensorHandleFactory::LegacyFactoryId;
for (auto&& connection : slot.GetConnections())
{
const Layer& connectedLayer = connection->GetOwningLayer();
auto toBackend = backends.find(connectedLayer.GetBackendId());
BOOST_ASSERT_MSG(toBackend != backends.end(), "Backend id not found for the connected layer");
if (!toBackend->second.get()->SupportsTensorAllocatorAPI())
{
// The destination backend does not support the tensor allocator API, move to the next one
continue;
}
auto dstPrefs = toBackend->second.get()->GetHandleFactoryPreferences();
for (auto&& dst : dstPrefs)
{
// Input layers use the mem copy workload or import, so the selected factory must
// support either the map/unmap API or Import API
ITensorHandleFactory* factory = registry.GetFactory(dst);
if (!factory->SupportsMapUnmap() &&
!CheckFlag(factory->GetImportFlags(), MemorySource::Malloc)) // Just support cpu mem imports for now
{
// The current tensor handle factory does not support the map/unmap or import
// strategy, move to the next one
continue;
}
auto it = factoryScores.find(dst);
if (it == factoryScores.end())
{
// Add new score to the table
factoryScores[dst] = 0;
if (topChoice == ITensorHandleFactory::LegacyFactoryId)
{
topChoice = dst;
}
}
else
{
// Increase the score
factoryScores[dst]++;
// Track the best option
if (factoryScores[dst] > topScore)
{
topScore = factoryScores[dst];
topChoice = dst;
}
}
}
}
return topChoice;
}
// Find the handle factory for the output layer which results in fewest required copies.
ITensorHandleFactory::FactoryId CalculateSlotOptionForOutput(BackendsMap& backends,
OutputSlot& slot,
TensorHandleFactoryRegistry& registry)
{
return ITensorHandleFactory::DeferredFactoryId;
}
// For all handle factories supported on the source backend, we wish to find the one which requires the fewest copies
// when considering all connections.
ITensorHandleFactory::FactoryId CalculateSlotOption(BackendsMap& backends,
OutputSlot& outputSlot,
TensorHandleFactoryRegistry& registry)
{
// First ensure the from backends can support the TensorHandeAPI
Layer& layer = outputSlot.GetOwningLayer();
auto frmBackend = backends.find(layer.GetBackendId());
if (frmBackend == backends.end() ||
!frmBackend->second->SupportsTensorAllocatorAPI())
{
return ITensorHandleFactory::LegacyFactoryId;
}
// Connections to Output Layers requires support for map/unmap on the TensorHandle.
bool requiresMapUnmap = false;
for (auto&& connection : outputSlot.GetConnections())
{
const Layer& connectedLayer = connection->GetOwningLayer();
if (connectedLayer.GetType() == LayerType::Output)
{
requiresMapUnmap = true;
}
}
IBackendInternal* srcBackend = frmBackend->second.get();
auto srcPrefs = srcBackend->GetHandleFactoryPreferences();
// Initialize the scores
std::map<ITensorHandleFactory::FactoryId, int> factoryScores;
for (auto&& pref : srcPrefs)
{
if (requiresMapUnmap) // Only consider factories that support map/unmap if required
{
ITensorHandleFactory* factory = registry.GetFactory(pref);
if (!factory->SupportsMapUnmap())
{
// The current tensor handle factory does not support the map/unmap strategy, move to the next one
continue;
}
}
auto it = factoryScores.find(pref);
if (it == factoryScores.end())
{
// Add new score to the table
factoryScores[pref] = 0;
}
}
// Score each handle factory based on how many times it requires copies on the slot connections
for (auto&& connection : outputSlot.GetConnections())
{
const Layer& connectedLayer = connection->GetOwningLayer();
auto toBackend = backends.find(connectedLayer.GetBackendId());
BOOST_ASSERT_MSG(toBackend != backends.end(), "Backend id not found for the connected layer");
auto dstPrefs = toBackend->second.get()->GetHandleFactoryPreferences();
for (auto&& src : srcPrefs)
{
if (factoryScores.find(src) == factoryScores.end()) // Don't consider excluded factories
{
continue;
}
for (auto&& dst : dstPrefs)
{
if (RequiresCopy(src, dst, registry))
{
// Copy avoided, increase the score
factoryScores[src]++;
break;
}
}
}
}
// Find the lowest score
int minScore = std::numeric_limits<int>::max();
for (auto it : factoryScores)
{
minScore = std::min(minScore, it.second);
}
// Collect factories matching the best(lowest) score
std::vector<ITensorHandleFactory::FactoryId> optimalFactories;
for (auto it : factoryScores)
{
if (it.second == minScore)
{
optimalFactories.push_back(it.first);
}
}
// For all compatible Factories matching the best score, find the preferred one for the current layer.
for (auto&& srcPref : srcPrefs)
{
for (auto&& comp : optimalFactories)
{
if (comp == srcPref)
{
return comp;
}
}
}
return ITensorHandleFactory::LegacyFactoryId;
}
EdgeStrategy CalculateEdgeStrategy(BackendsMap& backends,
ITensorHandleFactory::FactoryId srcFactoryId,
const Layer& layer,
const Layer& connectedLayer,
TensorHandleFactoryRegistry& registry)
{
auto toBackend = backends.find(connectedLayer.GetBackendId());
BOOST_ASSERT_MSG(toBackend != backends.end(), "Backend id not found for the connected layer");
auto dstPrefs = toBackend->second.get()->GetHandleFactoryPreferences();
// Legacy API check for backward compatibility
if (srcFactoryId == ITensorHandleFactory::LegacyFactoryId || dstPrefs.empty())
{
if (layer.GetBackendId() != connectedLayer.GetBackendId())
{
return EdgeStrategy::CopyToTarget;
}
else
{
return EdgeStrategy::DirectCompatibility;
}
}
// TensorHandleFactory API present, so perform more sophisticated strategies.
// Dst Output layers don't require copy because they use import or map/unmap
if (connectedLayer.GetType() == LayerType::Output)
{
return EdgeStrategy::DirectCompatibility;
}
// Search for direct match in prefs
for (auto&& pref : dstPrefs)
{
if (pref == srcFactoryId)
{
return EdgeStrategy::DirectCompatibility;
}
}
// Search for export/import options
ITensorHandleFactory* srcFactory = registry.GetFactory(srcFactoryId);
if (srcFactory->GetExportFlags() != 0)
{
for (auto&& pref : dstPrefs)
{
ITensorHandleFactory* dstFactory = registry.GetFactory(pref);
// Handles cases when a destPref is not listed in TensorHandleFactoryRegistry
if (!dstFactory) {
continue;
}
if ((dstFactory->GetImportFlags() & srcFactory->GetExportFlags()) != 0)
{
return EdgeStrategy::ExportToTarget;
}
}
}
// Search for copy options via map/unmap
if (srcFactory->SupportsMapUnmap())
{
for (auto&& pref : dstPrefs)
{
ITensorHandleFactory* dstFactory = registry.GetFactory(pref);
if (dstFactory && dstFactory->SupportsMapUnmap())
{
return EdgeStrategy::CopyToTarget;
}
}
}
return EdgeStrategy::Undefined;
}
// Select the TensorHandleFactories and the corresponding memory strategy
OptimizationResult SelectTensorHandleStrategy(Graph& optGraph,
BackendsMap& backends,
TensorHandleFactoryRegistry& registry,
Optional<std::vector<std::string>&> errMessages)
{
OptimizationResult result;
optGraph.ForEachLayer([&backends, &registry, &result, &errMessages](Layer* layer)
{
BOOST_ASSERT(layer);
// Lets make sure the backend is in our list of supported backends. Something went wrong during backend
// assignment if this check fails
BOOST_ASSERT(backends.find(layer->GetBackendId()) != backends.end());
// Check each output separately
for (unsigned int slotIdx = 0; slotIdx < layer->GetNumOutputSlots(); slotIdx++)
{
OutputSlot& outputSlot = layer->GetOutputSlot(slotIdx);
ITensorHandleFactory::FactoryId slotOption = ITensorHandleFactory::LegacyFactoryId;
// Calculate the factory to use which results in the fewest copies being made.
switch(layer->GetType())
{
case LayerType::Input:
slotOption = CalculateSlotOptionForInput(backends, outputSlot, registry);
break;
case LayerType::Output:
slotOption = CalculateSlotOptionForOutput(backends, outputSlot, registry);
break;
default:
slotOption = CalculateSlotOption(backends, outputSlot, registry);
break;
}
outputSlot.SetTensorHandleFactory(slotOption);
// Now determine the "best" edge strategy for each connection given the slotOption.
unsigned int connectionIdx = 0;
for (auto&& connection : outputSlot.GetConnections())
{
const Layer& connectedLayer = connection->GetOwningLayer();
EdgeStrategy strategy = CalculateEdgeStrategy(backends, slotOption, *layer, connectedLayer, registry);
if (strategy == EdgeStrategy::Undefined)
{
result.m_Error = true;
if (errMessages)
{
errMessages.value().emplace_back("Could not find valid strategy required for compatibility"
" between backends.");
}
return;
}
outputSlot.SetEdgeStrategy(connectionIdx, strategy);
connectionIdx++;
}
}
});
return result;
}
IOptimizedNetworkPtr Optimize(const INetwork& inNetwork,
const std::vector<BackendId>& backendPreferences,
const IDeviceSpec& deviceSpec,
const OptimizerOptions& options,
Optional<std::vector<std::string>&> messages)
{
if (backendPreferences.empty())
{
throw armnn::InvalidArgumentException("Invoked Optimize with no backends specified");
}
const Network& network = *boost::polymorphic_downcast<const Network*>(&inNetwork);
std::unique_ptr<Graph> graph = std::make_unique<Graph>(network.GetGraph());
auto optNet = IOptimizedNetworkPtr(new OptimizedNetwork(std::move(graph)), &IOptimizedNetwork::Destroy);
OptimizedNetwork* optNetObjPtr = boost::polymorphic_downcast<OptimizedNetwork*>(optNet.get());
// Get the optimized graph
Graph& optGraph = optNetObjPtr->GetGraph();
// Perform optimisation passes
using namespace optimizations;
Optimizer::Pass(optGraph, MakeOptimizations(SquashEqualPermuteSiblings(),
SquashEqualReshapeSiblings(),
OptimizeInversePermutes(),
MovePermuteUp(),
PermuteAsReshape(),
OptimizeConsecutiveReshapes(),
FoldPadIntoConvolution2d(),
PermuteAndBatchToSpaceAsDepthToSpace()));
// Infer the tensor infos for all output slots. Throws an exception on failure
optGraph.InferTensorInfos();
// If Fp32 to Fp16 optimization is set convert Fp32 network to Fp16
if (options.m_ReduceFp32ToFp16)
{
Optimizer::Pass(optGraph, MakeOptimizations(Fp32NetworkToFp16Converter()));
Optimizer::Pass(optGraph, MakeOptimizations(ConvertConstantsFloatToHalf()));
}
// Initialize backend settings
BackendSettings backendSettings(backendPreferences, deviceSpec);
if (backendSettings.GetAvailablePreferredBackends().empty())
{
std::stringstream failureMsg;
failureMsg << "None of the preferred backends " << backendPreferences
<< " are supported. Current platform provides " << backendSettings.m_SupportedBackends;
ReportError(failureMsg.str(), messages);
return IOptimizedNetworkPtr(nullptr, &IOptimizedNetwork::Destroy);
}
// Create a map to temporarily hold initialized backend objects
TensorHandleFactoryRegistry tensorHandleFactoryRegistry;
BackendsMap backends = CreateSupportedBackends(tensorHandleFactoryRegistry, backendSettings);
// Assign an available backend to each layer
Graph::Iterator firstLayer = optGraph.begin();
Graph::Iterator lastLayer = optGraph.end();
OptimizationResult assignBackendsResult = AssignBackends(optNetObjPtr,
backendSettings,
firstLayer,
lastLayer,
messages);
if (assignBackendsResult.m_Error)
{
// Failed to assign a backend to each layer
return IOptimizedNetworkPtr(nullptr, &IOptimizedNetwork::Destroy);
}
Optimizer::Pass(optGraph, MakeOptimizations(OptimizeInverseConversionsFp16(),
OptimizeInverseConversionsFp32()));
// Apply the backend-specific optimizations
OptimizationResult backendOptimizationResult = ApplyBackendOptimizations(optNetObjPtr,
backendSettings,
backends,
messages);
if (backendOptimizationResult.m_Error)
{
// Failed to apply the backend-specific optimizations
return IOptimizedNetworkPtr(nullptr, &IOptimizedNetwork::Destroy);
}
// If the debug flag is set, then insert a DebugLayer after each layer
// Doing this after applying the backend optimizations as they might have changed some layers
if (options.m_Debug)
{
Optimizer::Pass(optGraph, MakeOptimizations(InsertDebugLayer()));
}
// Calculate the compatibility strategies for tensor handles
OptimizationResult strategyResult = SelectTensorHandleStrategy(optGraph,
backends,
tensorHandleFactoryRegistry,
messages);
if (strategyResult.m_Error)
{
// Failed to apply the backend-specific optimizations
return IOptimizedNetworkPtr(nullptr, &IOptimizedNetwork::Destroy);
}
// Based on the tensor handle strategy determined above, insert copy layers where required.
optGraph.AddCompatibilityLayers(backends, tensorHandleFactoryRegistry);
// Convert constants
Optimizer::Pass(optGraph, MakeOptimizations(ConvertConstantsFloatToHalf()));
Optimizer::Pass(optGraph, MakeOptimizations(ConvertConstantsHalfToFloat()));
// Run backend specific optimizations (deprecated)
for (auto&& chosenBackend : backendSettings.m_SelectedBackends)
{
auto factoryFun = BackendRegistryInstance().GetFactory(chosenBackend);
auto backendPtr = factoryFun();
BOOST_ASSERT(backendPtr.get() != nullptr);
ARMNN_NO_DEPRECATE_WARN_BEGIN
auto backendSpecificOptimizations = backendPtr->GetOptimizations();
ARMNN_NO_DEPRECATE_WARN_END
if (!backendSpecificOptimizations.empty())
{
Optimizer::Pass(optNetObjPtr->GetGraph(), backendSpecificOptimizations);
}
}
return optNet;
}
Network::Network()
: m_Graph(std::make_unique<Graph>()),
m_Guid(profiling::ProfilingService::Instance().NextGuid())
{
}
Network::~Network()
{
}
Status Network::PrintGraph()
{
m_Graph->Print();
return Status::Success;
}
IConnectableLayer* Network::AddInputLayer(LayerBindingId id, const char* name)
{
return m_Graph->AddLayer<InputLayer>(id, name);
}
IConnectableLayer* Network::AddBatchToSpaceNdLayer(const BatchToSpaceNdDescriptor& batchToSpaceNdDescriptor,
const char* name)
{
return m_Graph->AddLayer<BatchToSpaceNdLayer>(batchToSpaceNdDescriptor, name);
}
IConnectableLayer* Network::AddComparisonLayer(const ComparisonDescriptor& comparisonDescriptor,
const char* name)
{
return m_Graph->AddLayer<ComparisonLayer>(comparisonDescriptor, name);
}
IConnectableLayer* Network::AddFullyConnectedLayerImpl(const FullyConnectedDescriptor& fullyConnectedDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
if (fullyConnectedDescriptor.m_BiasEnabled && !biases.has_value())
{
throw InvalidArgumentException("AddFullyConnectedLayer: biases cannot be empty");
}
const auto layer = m_Graph->AddLayer<FullyConnectedLayer>(fullyConnectedDescriptor, name);
layer->m_Weight = std::make_unique<ScopedCpuTensorHandle>(weights);
if (fullyConnectedDescriptor.m_BiasEnabled)
{
layer->m_Bias = std::make_unique<ScopedCpuTensorHandle>(biases.value());
}
return layer;
}
IConnectableLayer* Network::AddFullyConnectedLayer(const FullyConnectedDescriptor& fullyConnectedDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
return AddFullyConnectedLayerImpl(fullyConnectedDescriptor, weights, biases, name);
}
IConnectableLayer* Network::AddFullyConnectedLayer(const FullyConnectedDescriptor& fullyConnectedDescriptor,
const ConstTensor& weights,
const char* name)
{
Optional<ConstTensor> biases;
return AddFullyConnectedLayerImpl(fullyConnectedDescriptor, weights, biases, name);
}
IConnectableLayer* Network::AddFullyConnectedLayer(const FullyConnectedDescriptor& fullyConnectedDescriptor,
const ConstTensor& weights,
const ConstTensor& biases,
const char* name)
{
Optional<ConstTensor> optionalBiases(biases);
return AddFullyConnectedLayerImpl(fullyConnectedDescriptor, weights, optionalBiases, name);
}
IConnectableLayer* Network::AddConcatLayer(const ConcatDescriptor& concatDescriptor,
const char* name)
{
return m_Graph->AddLayer<ConcatLayer>(concatDescriptor, name);
}
IConnectableLayer* Network::AddConvolution2dLayerImpl(const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
if (convolution2dDescriptor.m_BiasEnabled && !biases.has_value())
{
throw InvalidArgumentException("AddConvolution2dLayer: biases cannot be empty");
}
const auto layer = m_Graph->AddLayer<Convolution2dLayer>(convolution2dDescriptor, name);
layer->m_Weight = std::make_unique<ScopedCpuTensorHandle>(weights);
if (convolution2dDescriptor.m_BiasEnabled)
{
layer->m_Bias = std::make_unique<ScopedCpuTensorHandle>(biases.value());
}
return layer;
}
IConnectableLayer* Network::AddConvolution2dLayer(const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
return AddConvolution2dLayerImpl(convolution2dDescriptor, weights, biases, name);
}
IConnectableLayer* Network::AddConvolution2dLayer(const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const char* name)
{
Optional<ConstTensor> biases;
return AddConvolution2dLayerImpl(convolution2dDescriptor, weights, biases, name);
}
IConnectableLayer* Network::AddConvolution2dLayer(const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const ConstTensor& biases,
const char* name)
{
Optional<ConstTensor> optionalBiases(biases);
return AddConvolution2dLayerImpl(convolution2dDescriptor, weights, optionalBiases, name);
}
IConnectableLayer* Network::AddDepthwiseConvolution2dLayerImpl(
const DepthwiseConvolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
if (convolution2dDescriptor.m_BiasEnabled && !biases.has_value())
{
throw InvalidArgumentException("AddDepthwiseConvolution2dLayer: biases cannot be empty");
}
const auto layer = m_Graph->AddLayer<DepthwiseConvolution2dLayer>(convolution2dDescriptor, name);
layer->m_Weight = std::make_unique<ScopedCpuTensorHandle>(weights);
if (convolution2dDescriptor.m_BiasEnabled)
{
layer->m_Bias = std::make_unique<ScopedCpuTensorHandle>(biases.value());
}
return layer;
}
IConnectableLayer* Network::AddDepthToSpaceLayer(const DepthToSpaceDescriptor& depthToSpaceDescriptor,
const char* name)
{
return m_Graph->AddLayer<DepthToSpaceLayer>(depthToSpaceDescriptor, name);
}
IConnectableLayer* Network::AddDepthwiseConvolution2dLayer(
const DepthwiseConvolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
return AddDepthwiseConvolution2dLayerImpl(convolution2dDescriptor, weights, biases, name);
}
IConnectableLayer* Network::AddDepthwiseConvolution2dLayer(
const DepthwiseConvolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const char* name)
{
Optional<ConstTensor> biases;
return AddDepthwiseConvolution2dLayerImpl(convolution2dDescriptor, weights, biases, name);
}
IConnectableLayer* Network::AddDepthwiseConvolution2dLayer(
const DepthwiseConvolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const ConstTensor& biases,
const char* name)
{
Optional<ConstTensor> optionalBiases(biases);
return AddDepthwiseConvolution2dLayerImpl(convolution2dDescriptor, weights, optionalBiases, name);
}
IConnectableLayer* Network::AddDetectionPostProcessLayer(const armnn::DetectionPostProcessDescriptor& descriptor,
const ConstTensor& anchors, const char* name)
{
const auto layer = m_Graph->AddLayer<DetectionPostProcessLayer>(descriptor, name);
layer->m_Anchors = std::make_unique<ScopedCpuTensorHandle>(anchors);
return layer;
}
IConnectableLayer* Network::AddPermuteLayer(const PermuteDescriptor& permuteDescriptor,
const char* name)
{
return m_Graph->AddLayer<PermuteLayer>(permuteDescriptor, name);
}
IConnectableLayer* Network::AddPooling2dLayer(const Pooling2dDescriptor& pooling2dDescriptor,
const char* name)
{
return m_Graph->AddLayer<Pooling2dLayer>(pooling2dDescriptor, name);
}
IConnectableLayer* Network::AddActivationLayer(const ActivationDescriptor& activationDescriptor,
const char* name)
{
return m_Graph->AddLayer<ActivationLayer>(activationDescriptor, name);
}
IConnectableLayer* Network::AddArgMinMaxLayer(const ArgMinMaxDescriptor& argMinMaxDescriptor,
const char* name)
{
return m_Graph->AddLayer<ArgMinMaxLayer>(argMinMaxDescriptor, name);
}
IConnectableLayer* Network::AddNormalizationLayer(const NormalizationDescriptor&
normalizationDescriptor,
const char* name)
{
return m_Graph->AddLayer<NormalizationLayer>(normalizationDescriptor, name);
}
IConnectableLayer* Network::AddSliceLayer(const SliceDescriptor& sliceDescriptor, const char* name)
{
return m_Graph->AddLayer<SliceLayer>(sliceDescriptor, name);
}
IConnectableLayer* Network::AddSoftmaxLayer(const SoftmaxDescriptor& softmaxDescriptor,
const char* name)
{
return m_Graph->AddLayer<SoftmaxLayer>(softmaxDescriptor, name);
}
IConnectableLayer* Network::AddSplitterLayer(const ViewsDescriptor& splitterDescriptor,
const char* name)
{
return m_Graph->AddLayer<SplitterLayer>(splitterDescriptor, name);
}
IConnectableLayer* Network::AddMaximumLayer(const char* name)
{
return m_Graph->AddLayer<MaximumLayer>(name);
}
IConnectableLayer* Network::AddMinimumLayer(const char* name)
{
return m_Graph->AddLayer<MinimumLayer>(name);
}
IConnectableLayer* Network::AddMergerLayer(const MergerDescriptor& mergerDescriptor,
const char* name)
{
return AddConcatLayer(mergerDescriptor, name);
}
IConnectableLayer* Network::AddAbsLayer(const char * name)
{
return m_Graph->AddLayer<AbsLayer>(name);
}
IConnectableLayer* Network::AddAdditionLayer(const char* name)
{
return m_Graph->AddLayer<AdditionLayer>(name);
}
IConnectableLayer* Network::AddMultiplicationLayer(const char* name)
{
return m_Graph->AddLayer<MultiplicationLayer>(name);
}
IConnectableLayer* Network::AddOutputLayer(LayerBindingId id, const char* name)
{
return m_Graph->AddLayer<OutputLayer>(id, name);
}
IConnectableLayer* Network::AddBatchNormalizationLayer(const BatchNormalizationDescriptor& desc,
const ConstTensor& mean,
const ConstTensor& variance,
const ConstTensor& beta,
const ConstTensor& gamma,
const char* name)
{
const auto layer = m_Graph->AddLayer<BatchNormalizationLayer>(desc, name);
layer->m_Mean = std::make_unique<ScopedCpuTensorHandle>(mean);
layer->m_Variance = std::make_unique<ScopedCpuTensorHandle>(variance);
layer->m_Beta = std::make_unique<ScopedCpuTensorHandle>(beta);
layer->m_Gamma = std::make_unique<ScopedCpuTensorHandle>(gamma);
return layer;
}
IConnectableLayer* Network::AddResizeBilinearLayer(const ResizeBilinearDescriptor& descriptor,
const char* name)
{
ResizeDescriptor resizeDescriptor;
resizeDescriptor.m_Method = ResizeMethod::Bilinear;
resizeDescriptor.m_DataLayout = descriptor.m_DataLayout;
resizeDescriptor.m_TargetWidth = descriptor.m_TargetWidth;
resizeDescriptor.m_TargetHeight = descriptor.m_TargetHeight;
return m_Graph->AddLayer<ResizeLayer>(resizeDescriptor, name);
}
IConnectableLayer* Network::AddResizeLayer(const ResizeDescriptor&
resizeDescriptor, const char* name)
{
return m_Graph->AddLayer<ResizeLayer>(resizeDescriptor, name);
}
IConnectableLayer* Network::AddInstanceNormalizationLayer(const InstanceNormalizationDescriptor& desc,
const char* name)
{
return m_Graph->AddLayer<InstanceNormalizationLayer>(desc, name);
}
IConnectableLayer* Network::AddL2NormalizationLayer(const L2NormalizationDescriptor& desc,
const char* name)
{
return m_Graph->AddLayer<L2NormalizationLayer>(desc, name);
}
IConnectableLayer* Network::AddLogSoftmaxLayer(const LogSoftmaxDescriptor& desc,
const char* name)
{
return m_Graph->AddLayer<LogSoftmaxLayer>(desc, name);
}
IConnectableLayer* Network::AddConstantLayer(const ConstTensor& input, const char* name)
{
auto layer = m_Graph->AddLayer<ConstantLayer>(name);
layer->m_LayerOutput = std::make_unique<ScopedCpuTensorHandle>(input);
return layer;
}
IConnectableLayer* Network::AddReshapeLayer(const ReshapeDescriptor& reshapeDescriptor,
const char* name)
{
return m_Graph->AddLayer<ReshapeLayer>(reshapeDescriptor, name);
}
IConnectableLayer* Network::AddSpaceToBatchNdLayer(const SpaceToBatchNdDescriptor& spaceToBatchNdDescriptor,
const char* name)
{
return m_Graph->AddLayer<SpaceToBatchNdLayer>(spaceToBatchNdDescriptor, name);
}
IConnectableLayer* Network::AddSpaceToDepthLayer(const SpaceToDepthDescriptor& spaceToDepthDescriptor,
const char* name)
{
return m_Graph->AddLayer<SpaceToDepthLayer>(spaceToDepthDescriptor, name);
}
IConnectableLayer* Network::AddFloorLayer(const char* name)
{
return m_Graph->AddLayer<FloorLayer>(name);
}
IConnectableLayer* Network::AddLstmLayer(const LstmDescriptor& descriptor,
const LstmInputParams& params,
const char* name)
{
const auto layer = m_Graph->AddLayer<LstmLayer>(descriptor, name);
//Lstm Basic Parameters
layer->m_BasicParameters.m_InputToForgetWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_InputToForgetWeights));
layer->m_BasicParameters.m_InputToCellWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_InputToCellWeights));
layer->m_BasicParameters.m_InputToOutputWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_InputToOutputWeights));
layer->m_BasicParameters.m_RecurrentToForgetWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_RecurrentToForgetWeights));
layer->m_BasicParameters.m_RecurrentToCellWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_RecurrentToCellWeights));
layer->m_BasicParameters.m_RecurrentToOutputWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_RecurrentToOutputWeights));
layer->m_BasicParameters.m_ForgetGateBias =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_ForgetGateBias));
layer->m_BasicParameters.m_CellBias =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_CellBias));
layer->m_BasicParameters.m_OutputGateBias =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_OutputGateBias));
//Lstm Cifg parameters
if(!descriptor.m_CifgEnabled)
{
if(params.m_InputToInputWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Input To Input Weights cannot be NULL");
}
if(params.m_RecurrentToInputWeights == nullptr)
{
throw InvalidArgumentException(
"AddLstmLayer: Recurrent To Input Weights cannot be NULL");
}
if(params.m_InputGateBias == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Input Gate Bias cannot be NULL");
}
layer->m_CifgParameters.m_InputToInputWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_InputToInputWeights));
layer->m_CifgParameters.m_RecurrentToInputWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_RecurrentToInputWeights));
// In the VTS tests, cell-to-input weights may be null, even if the other CIFG params are not.
if(params.m_CellToInputWeights != nullptr)
{
layer->m_CifgParameters.m_CellToInputWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_CellToInputWeights));
}
layer->m_CifgParameters.m_InputGateBias =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_InputGateBias));
}
//Lstm projection parameters
if(descriptor.m_ProjectionEnabled)
{
if(params.m_ProjectionWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Projection Weights cannot be NULL");
}
layer->m_ProjectionParameters.m_ProjectionWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_ProjectionWeights));
if(params.m_ProjectionBias != nullptr)
{
layer->m_ProjectionParameters.m_ProjectionBias =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_ProjectionBias));
}
}
//Lstm Peephole params
if(descriptor.m_PeepholeEnabled)
{
if(params.m_CellToForgetWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Cell To Forget Weights cannot be NULL");
}
if(params.m_CellToOutputWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Cell To Output Weights cannot be NULL");
}
layer->m_PeepholeParameters.m_CellToForgetWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_CellToForgetWeights));
layer->m_PeepholeParameters.m_CellToOutputWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_CellToOutputWeights));
}
//Lstm Layer Normalization params
if(descriptor.m_LayerNormEnabled)
{
if(!descriptor.m_CifgEnabled)
{
if(params.m_InputLayerNormWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Input layer normalization weights cannot be NULL");
}
layer->m_LayerNormParameters.m_InputLayerNormWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_InputLayerNormWeights));
}
if(params.m_ForgetLayerNormWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Forget layer normalization weights cannot be NULL");
}
if(params.m_CellLayerNormWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Cell layer normalization weights cannot be NULL");
}
if(params.m_OutputLayerNormWeights == nullptr)
{
throw InvalidArgumentException("AddLstmLayer: Output layer normalization weights cannot be NULL");
}
layer->m_LayerNormParameters.m_ForgetLayerNormWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_ForgetLayerNormWeights));
layer->m_LayerNormParameters.m_CellLayerNormWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_CellLayerNormWeights));
layer->m_LayerNormParameters.m_OutputLayerNormWeights =
std::make_unique<ScopedCpuTensorHandle>(*(params.m_OutputLayerNormWeights));
}
return layer;
}
IConnectableLayer* Network::AddDivisionLayer(const char* name)
{
return m_Graph->AddLayer<DivisionLayer>(name);
}
IConnectableLayer* Network::AddSubtractionLayer(const char* name)
{
return m_Graph->AddLayer<SubtractionLayer>(name);
}
IConnectableLayer* Network::AddMeanLayer(const MeanDescriptor& meanDescriptor, const char* name)
{
return m_Graph->AddLayer<MeanLayer>(meanDescriptor,name);
}
IConnectableLayer* Network::AddPadLayer(const PadDescriptor& padDescriptor, const char* name)
{
return m_Graph->AddLayer<PadLayer>(padDescriptor,name);
}
IConnectableLayer *Network::AddQuantizeLayer(const char *name)
{
return m_Graph->AddLayer<QuantizeLayer>(name);
}
IConnectableLayer* Network::AddDequantizeLayer(const char* name)
{
return m_Graph->AddLayer<DequantizeLayer>(name);
}
IConnectableLayer* Network::AddStridedSliceLayer(const StridedSliceDescriptor& stridedSliceDescriptor,
const char* name)
{
return m_Graph->AddLayer<StridedSliceLayer>(stridedSliceDescriptor, name);
}
IConnectableLayer* Network::AddGreaterLayer(const char* name)
{
return AddComparisonLayer(ComparisonDescriptor(ComparisonOperation::Greater), name);
}
IConnectableLayer* Network::AddEqualLayer(const char* name)
{
return AddComparisonLayer(ComparisonDescriptor(ComparisonOperation::Equal), name);
}
IConnectableLayer* Network::AddRsqrtLayer(const char * name)
{
return m_Graph->AddLayer<RsqrtLayer>(name);
}
IConnectableLayer* Network::AddGatherLayer(const char* name)
{
return m_Graph->AddLayer<GatherLayer>(name);
}
IConnectableLayer* Network::AddMergeLayer(const char* name)
{
return m_Graph->AddLayer<MergeLayer>(name);
}
IConnectableLayer* Network::AddSwitchLayer(const char* name)
{
return m_Graph->AddLayer<SwitchLayer>(name);
}
IConnectableLayer* Network::AddPreluLayer(const char* name)
{
return m_Graph->AddLayer<PreluLayer>(name);
}
IConnectableLayer* Network::AddTransposeConvolution2dLayer(const TransposeConvolution2dDescriptor& descriptor,
const ConstTensor& weights,
const Optional<ConstTensor>& biases,
const char* name)
{
if (descriptor.m_BiasEnabled && !biases.has_value())
{
throw InvalidArgumentException("AddTransposeConvolution2dLayer: Biases cannot be empty");
}
const auto layer = m_Graph->AddLayer<TransposeConvolution2dLayer>(descriptor, name);
layer->m_Weight = std::make_unique<ScopedCpuTensorHandle>(weights);
if (descriptor.m_BiasEnabled)
{
layer->m_Bias = std::make_unique<ScopedCpuTensorHandle>(biases.value());
}
return layer;
}
IConnectableLayer* Network::AddStackLayer(const StackDescriptor& stackDescriptor,
const char* name)
{
return m_Graph->AddLayer<StackLayer>(stackDescriptor, name);
}
IConnectableLayer* Network::AddStandInLayer(const StandInDescriptor& desc,
const char* name)
{
return m_Graph->AddLayer<StandInLayer>(desc, name);
}
IConnectableLayer* Network::AddQuantizedLstmLayer(const QuantizedLstmInputParams& params,
const char* name)
{
const auto layer = m_Graph->AddLayer<QuantizedLstmLayer>(name);
// InputToX weights
layer->m_QuantizedLstmParameters.m_InputToInputWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetInputToInputWeights());
layer->m_QuantizedLstmParameters.m_InputToForgetWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetInputToForgetWeights());
layer->m_QuantizedLstmParameters.m_InputToCellWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetInputToCellWeights());
layer->m_QuantizedLstmParameters.m_InputToOutputWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetInputToOutputWeights());
// RecurrentToX weights
layer->m_QuantizedLstmParameters.m_RecurrentToInputWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetRecurrentToInputWeights());
layer->m_QuantizedLstmParameters.m_RecurrentToForgetWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetRecurrentToForgetWeights());
layer->m_QuantizedLstmParameters.m_RecurrentToCellWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetRecurrentToCellWeights());
layer->m_QuantizedLstmParameters.m_RecurrentToOutputWeights =
std::make_unique<ScopedCpuTensorHandle>(params.GetRecurrentToOutputWeights());
// Bias
layer->m_QuantizedLstmParameters.m_InputGateBias =
std::make_unique<ScopedCpuTensorHandle>(params.GetInputGateBias());
layer->m_QuantizedLstmParameters.m_ForgetGateBias =
std::make_unique<ScopedCpuTensorHandle>(params.GetForgetGateBias());
layer->m_QuantizedLstmParameters.m_CellBias =
std::make_unique<ScopedCpuTensorHandle>(params.GetCellBias());
layer->m_QuantizedLstmParameters.m_OutputGateBias =
std::make_unique<ScopedCpuTensorHandle>(params.GetOutputGateBias());
return layer;
}
void Network::Accept(ILayerVisitor& visitor) const
{
for (auto layer : GetGraph())
{
layer->Accept(visitor);
};
}
OptimizedNetwork::OptimizedNetwork(std::unique_ptr<Graph> graph)
: m_Graph(std::move(graph)),
m_Guid(profiling::ProfilingService::Instance().NextGuid())
{
}
OptimizedNetwork::~OptimizedNetwork()
{
}
} // namespace armnn