| // |
| // Copyright © 2017 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #include <armnn/backends/IBackendInternal.hpp> |
| |
| namespace armnn |
| { |
| |
| ARMNN_NO_DEPRECATE_WARN_BEGIN |
| IBackendInternal::ISubGraphConverterPtr IBackendInternal::CreateSubGraphConverter( |
| const std::shared_ptr<SubGraph>& /*subGrapg*/) const |
| { |
| return ISubGraphConverterPtr{}; |
| } |
| |
| IBackendInternal::Optimizations IBackendInternal::GetOptimizations() const |
| { |
| return Optimizations{}; |
| } |
| |
| IBackendInternal::SubGraphUniquePtr IBackendInternal::OptimizeSubGraph(const SubGraph& /*subGraph*/, |
| bool& optimizationAttempted) const |
| { |
| optimizationAttempted = false; |
| return nullptr; |
| } |
| ARMNN_NO_DEPRECATE_WARN_END |
| |
| IMemoryManagerUniquePtr IBackendInternal::CreateMemoryManager() const |
| { |
| return IMemoryManagerUniquePtr(); |
| } |
| |
| IBackendInternal::IWorkloadFactoryPtr IBackendInternal::CreateWorkloadFactory( |
| class TensorHandleFactoryRegistry& /*tensorHandleFactoryRegistry*/) const |
| { |
| return IWorkloadFactoryPtr{}; |
| } |
| |
| IBackendInternal::IBackendContextPtr IBackendInternal::CreateBackendContext(const IRuntime::CreationOptions&) const |
| { |
| return IBackendContextPtr{}; |
| } |
| |
| // Default implementation of OptimizeSubgraphView for backward compatibility with the old API. |
| // Override this method with a custom optimization implementation. |
| OptimizationViews IBackendInternal::OptimizeSubgraphView(const SubgraphView& subgraph) const |
| { |
| bool optimizationAttempted = false; |
| |
| ARMNN_NO_DEPRECATE_WARN_BEGIN |
| SubGraphUniquePtr optSubgraph = OptimizeSubGraph(subgraph, optimizationAttempted); |
| ARMNN_NO_DEPRECATE_WARN_END |
| |
| OptimizationViews result; |
| if (!optimizationAttempted) |
| { |
| result.AddUntouchedSubgraph(SubgraphView(subgraph)); |
| } |
| else if (optSubgraph) |
| { |
| result.AddSubstitution({subgraph, SubgraphView(*optSubgraph.get())}); |
| } |
| else |
| { |
| result.AddFailedSubgraph(SubgraphView(subgraph)); |
| } |
| |
| return result; |
| } |
| |
| bool IBackendInternal::SupportsTensorAllocatorAPI() const |
| { |
| return !GetHandleFactoryPreferences().empty(); |
| } |
| |
| ITensorHandleFactory::FactoryId IBackendInternal::GetBackwardCompatibleFavoriteHandleFactory() |
| { |
| auto favorites = GetHandleFactoryPreferences(); |
| if (favorites.empty()) |
| { |
| return ITensorHandleFactory::LegacyFactoryId; |
| } |
| |
| return favorites[0]; |
| } |
| |
| std::vector<ITensorHandleFactory::FactoryId> IBackendInternal::GetHandleFactoryPreferences() const |
| { |
| return std::vector<ITensorHandleFactory::FactoryId>(); |
| } |
| |
| } // namespace armnn |
