| /* |
| * Copyright (c) 2018-2020 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "arm_compute/graph/backends/NEON/NEDeviceBackend.h" |
| |
| #include "arm_compute/graph/Graph.h" |
| #include "arm_compute/graph/GraphContext.h" |
| #include "arm_compute/graph/INode.h" |
| #include "arm_compute/graph/Logger.h" |
| #include "arm_compute/graph/Tensor.h" |
| #include "arm_compute/graph/backends/BackendRegistrar.h" |
| #include "arm_compute/graph/backends/NEON/NEFunctionFactory.h" |
| #include "arm_compute/graph/backends/NEON/NENodeValidator.h" |
| #include "arm_compute/graph/backends/NEON/NESubTensorHandle.h" |
| #include "arm_compute/graph/backends/NEON/NETensorHandle.h" |
| |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/runtime/Allocator.h" |
| #include "arm_compute/runtime/BlobLifetimeManager.h" |
| #include "arm_compute/runtime/IWeightsManager.h" |
| #include "arm_compute/runtime/MemoryGroup.h" |
| #include "arm_compute/runtime/MemoryManagerOnDemand.h" |
| #include "arm_compute/runtime/OffsetLifetimeManager.h" |
| #include "arm_compute/runtime/PoolManager.h" |
| #include "arm_compute/runtime/Scheduler.h" |
| |
| #include "support/ToolchainSupport.h" |
| |
| namespace arm_compute |
| { |
| namespace graph |
| { |
| namespace backends |
| { |
| /** Register NEON backend */ |
| static detail::BackendRegistrar<NEDeviceBackend> NEDeviceBackend_registrar(Target::NEON); |
| |
| NEDeviceBackend::NEDeviceBackend() |
| : _allocator() |
| { |
| } |
| |
| void NEDeviceBackend::initialize_backend() |
| { |
| //Nothing to do |
| } |
| |
| void NEDeviceBackend::release_backend_context(GraphContext &ctx) |
| { |
| //Nothing to do |
| ARM_COMPUTE_UNUSED(ctx); |
| } |
| |
| void NEDeviceBackend::setup_backend_context(GraphContext &ctx) |
| { |
| // Set number of threads |
| if(ctx.config().num_threads >= 0) |
| { |
| Scheduler::get().set_num_threads(ctx.config().num_threads); |
| } |
| |
| // Create function level memory manager |
| if(ctx.memory_management_ctx(Target::NEON) == nullptr) |
| { |
| MemoryManagerContext mm_ctx; |
| mm_ctx.target = Target::NEON; |
| mm_ctx.intra_mm = create_memory_manager(MemoryManagerAffinity::Offset); |
| mm_ctx.cross_mm = create_memory_manager(MemoryManagerAffinity::Offset); |
| mm_ctx.cross_group = std::make_shared<MemoryGroup>(mm_ctx.cross_mm); |
| mm_ctx.allocator = &_allocator; |
| |
| ctx.insert_memory_management_ctx(std::move(mm_ctx)); |
| } |
| |
| // Create function level weights manager |
| if(ctx.weights_management_ctx(Target::NEON) == nullptr) |
| { |
| WeightsManagerContext wm_ctx; |
| wm_ctx.target = Target::NEON; |
| wm_ctx.wm = create_weights_manager(); |
| |
| ctx.insert_weights_management_ctx(std::move(wm_ctx)); |
| } |
| } |
| |
| bool NEDeviceBackend::is_backend_supported() |
| { |
| return true; |
| } |
| |
| IAllocator *NEDeviceBackend::backend_allocator() |
| { |
| return &_allocator; |
| } |
| |
| std::unique_ptr<ITensorHandle> NEDeviceBackend::create_tensor(const Tensor &tensor) |
| { |
| // Get tensor descriptor |
| const TensorDescriptor &tensor_desc = tensor.desc(); |
| ARM_COMPUTE_ERROR_ON(tensor_desc.target != Target::NEON); |
| |
| // Create backend tensor handle |
| TensorInfo info(tensor_desc.shape, 1, tensor_desc.data_type, tensor_desc.quant_info); |
| info.set_data_layout(tensor_desc.layout); |
| |
| return std::make_unique<NETensorHandle>(info); |
| } |
| |
| std::unique_ptr<ITensorHandle> NEDeviceBackend::create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) |
| { |
| if(parent == nullptr) |
| { |
| return nullptr; |
| } |
| |
| return std::make_unique<NESubTensorHandle>(parent, shape, coords, extend_parent); |
| } |
| |
| std::unique_ptr<arm_compute::IFunction> NEDeviceBackend::configure_node(INode &node, GraphContext &ctx) |
| { |
| ARM_COMPUTE_LOG_GRAPH_VERBOSE("Configuring NEON node with ID : " << node.id() << std::endl); |
| ARM_COMPUTE_ERROR_ON(node.assigned_target() != Target::NEON); |
| |
| // Configure node |
| return NEFunctionFactory::create(&node, ctx); |
| } |
| |
| arm_compute::Status NEDeviceBackend::validate_node(INode &node) |
| { |
| ARM_COMPUTE_LOG_GRAPH_VERBOSE("Validating NEON node with ID : " << node.id() << std::endl); |
| ARM_COMPUTE_ERROR_ON(node.assigned_target() != Target::NEON); |
| |
| return NENodeValidator::validate(&node); |
| } |
| |
| std::shared_ptr<arm_compute::IMemoryManager> NEDeviceBackend::create_memory_manager(MemoryManagerAffinity affinity) |
| { |
| std::shared_ptr<ILifetimeManager> lifetime_mgr = nullptr; |
| if(affinity == MemoryManagerAffinity::Buffer) |
| { |
| lifetime_mgr = std::make_shared<BlobLifetimeManager>(); |
| } |
| else |
| { |
| lifetime_mgr = std::make_shared<OffsetLifetimeManager>(); |
| } |
| auto pool_mgr = std::make_shared<PoolManager>(); |
| auto mm = std::make_shared<MemoryManagerOnDemand>(lifetime_mgr, pool_mgr); |
| |
| return mm; |
| } |
| |
| std::shared_ptr<arm_compute::IWeightsManager> NEDeviceBackend::create_weights_manager() |
| { |
| auto weights_mgr = std::make_shared<IWeightsManager>(); |
| return weights_mgr; |
| } |
| } // namespace backends |
| } // namespace graph |
| } // namespace arm_compute |