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Diffstat (limited to 'src/graph2/backends/NEON/NEDeviceBackend.cpp')
| -rw-r--r-- | src/graph2/backends/NEON/NEDeviceBackend.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/graph2/backends/NEON/NEDeviceBackend.cpp b/src/graph2/backends/NEON/NEDeviceBackend.cpp new file mode 100644 index 0000000000..9f24498abd --- /dev/null +++ b/src/graph2/backends/NEON/NEDeviceBackend.cpp @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2018 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/graph2/backends/NEON/NEDeviceBackend.h" + +#include "arm_compute/graph2/Graph.h" +#include "arm_compute/graph2/GraphContext.h" +#include "arm_compute/graph2/INode.h" +#include "arm_compute/graph2/Logger.h" +#include "arm_compute/graph2/Tensor.h" +#include "arm_compute/graph2/backends/BackendRegistrar.h" +#include "arm_compute/graph2/backends/NEON/NEFunctionFactory.h" +#include "arm_compute/graph2/backends/NEON/NESubTensorHandle.h" +#include "arm_compute/graph2/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/MemoryManagerOnDemand.h" +#include "arm_compute/runtime/OffsetLifetimeManager.h" +#include "arm_compute/runtime/PoolManager.h" + +#include "support/ToolchainSupport.h" + +namespace arm_compute +{ +namespace graph2 +{ +namespace backends +{ +/** Register NEON backend */ +static detail::BackendRegistrar<NEDeviceBackend> NEDeviceBackend_registrar(Target::NEON); + +NEDeviceBackend::NEDeviceBackend() + : _allocator() +{ +} + +void NEDeviceBackend::initialize_backend() +{ +} + +void NEDeviceBackend::setup_backend_context(GraphContext &ctx) +{ + if(ctx.memory_management_ctx(Target::NEON) == nullptr) + { + MemoryManagerContext mm_ctx; + mm_ctx.target = Target::NEON; + mm_ctx.mm = create_memory_manager(MemoryManagerAffinity::Buffer); + + ctx.insert_memory_management_ctx(std::move(mm_ctx)); + } +} + +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); + auto backend_tensor_handle = support::cpp14::make_unique<NETensorHandle>(info); + + return std::move(backend_tensor_handle); +} + +std::unique_ptr<ITensorHandle> NEDeviceBackend::create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords) +{ + if(parent == nullptr) + { + return nullptr; + } + + return support::cpp14::make_unique<NESubTensorHandle>(parent, shape, coords); +} + +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(const INode &node) +{ + ARM_COMPUTE_LOG_GRAPH_VERBOSE("Validating NEON node with ID : " << node.id() << std::endl); + ARM_COMPUTE_UNUSED(node); + + return Status{}; +} + +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); + + mm->set_allocator(&_allocator); + + return mm; +} +} // namespace backends +} // namespace graph2 +} // namespace arm_compute
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