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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "RefBackend.hpp"
#include "RefBackendId.hpp"
#include "RefWorkloadFactory.hpp"
#include "RefLayerSupport.hpp"
#include "RefTensorHandleFactory.hpp"
#include <armnn/BackendRegistry.hpp>
#include <armnn/backends/IBackendContext.hpp>
#include <armnn/backends/IMemoryManager.hpp>
#include <armnn/utility/PolymorphicDowncast.hpp>
#include <backendsCommon/DefaultAllocator.hpp>
#include <Optimizer.hpp>
namespace armnn
{
const BackendId& RefBackend::GetIdStatic()
{
static const BackendId s_Id{RefBackendId()};
return s_Id;
}
IBackendInternal::IWorkloadFactoryPtr RefBackend::CreateWorkloadFactory(
const IBackendInternal::IMemoryManagerSharedPtr& memoryManager) const
{
return std::make_unique<RefWorkloadFactory>(PolymorphicPointerDowncast<RefMemoryManager>(memoryManager));
}
IBackendInternal::IWorkloadFactoryPtr RefBackend::CreateWorkloadFactory(
class TensorHandleFactoryRegistry& tensorHandleFactoryRegistry) const
{
auto memoryManager = std::make_shared<RefMemoryManager>();
tensorHandleFactoryRegistry.RegisterMemoryManager(memoryManager);
std::unique_ptr<RefTensorHandleFactory> factory = std::make_unique<RefTensorHandleFactory>(memoryManager);
// Register copy and import factory pair
tensorHandleFactoryRegistry.RegisterCopyAndImportFactoryPair(factory->GetId(), factory->GetId());
// Register the factory
tensorHandleFactoryRegistry.RegisterFactory(std::move(factory));
return std::make_unique<RefWorkloadFactory>(PolymorphicPointerDowncast<RefMemoryManager>(memoryManager));
}
IBackendInternal::IBackendContextPtr RefBackend::CreateBackendContext(const IRuntime::CreationOptions&) const
{
return IBackendContextPtr{};
}
IBackendInternal::IBackendProfilingContextPtr RefBackend::CreateBackendProfilingContext(
const IRuntime::CreationOptions&, IBackendProfilingPtr&)
{
return IBackendProfilingContextPtr{};
}
IBackendInternal::IMemoryManagerUniquePtr RefBackend::CreateMemoryManager() const
{
return std::make_unique<RefMemoryManager>();
}
IBackendInternal::ILayerSupportSharedPtr RefBackend::GetLayerSupport() const
{
static ILayerSupportSharedPtr layerSupport{new RefLayerSupport};
return layerSupport;
}
OptimizationViews RefBackend::OptimizeSubgraphView(const SubgraphView& subgraph) const
{
OptimizationViews optimizationViews;
optimizationViews.AddUntouchedSubgraph(SubgraphView(subgraph));
return optimizationViews;
}
std::vector<ITensorHandleFactory::FactoryId> RefBackend::GetHandleFactoryPreferences() const
{
return std::vector<ITensorHandleFactory::FactoryId> { RefTensorHandleFactory::GetIdStatic() };
}
void RefBackend::RegisterTensorHandleFactories(class TensorHandleFactoryRegistry& registry)
{
auto memoryManager = std::make_shared<RefMemoryManager>();
registry.RegisterMemoryManager(memoryManager);
std::unique_ptr<RefTensorHandleFactory> factory = std::make_unique<RefTensorHandleFactory>(memoryManager);
// Register copy and import factory pair
registry.RegisterCopyAndImportFactoryPair(factory->GetId(), factory->GetId());
// Register the factory
registry.RegisterFactory(std::move(factory));
}
std::unique_ptr<ICustomAllocator> RefBackend::GetDefaultAllocator() const
{
return std::make_unique<DefaultAllocator>();
}
} // namespace armnn
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