| /* |
| * Copyright (c) 2017 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/Graph.h" |
| |
| #include "arm_compute/graph/CL/CLMap.h" |
| #include "arm_compute/graph/CL/CLUnmap.h" |
| #include "arm_compute/graph/INode.h" |
| #include "arm_compute/graph/Tensor.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/Tensor.h" |
| |
| using namespace arm_compute::graph; |
| |
| struct Stage |
| { |
| Tensor *_input; |
| Tensor *_output; |
| std::unique_ptr<arm_compute::IFunction> _function; |
| }; |
| |
| struct Graph::Private |
| { |
| public: |
| /** Finalizes the current node's configuration |
| * |
| * @param _next_hint Device execution hint |
| */ |
| void configure(Hint _next_hint); |
| |
| /** Sets whether to enable information print out |
| * |
| * @param[in] is_enabled Set to true if need info printed out |
| */ |
| void set_info_enablement(bool is_enabled); |
| |
| std::vector<Stage> _pipeline{}; |
| std::vector<std::unique_ptr<Tensor>> _tensors{}; |
| std::vector<std::unique_ptr<INode>> _nodes{}; |
| Hint _current_hint{ Hint::DONT_CARE }; |
| Hint _next_hint{ Hint::DONT_CARE }; |
| std::unique_ptr<Tensor> _graph_input{ nullptr }; |
| std::unique_ptr<Tensor> _graph_output{ nullptr }; |
| std::unique_ptr<INode> _current_node{ nullptr }; |
| Tensor *_current_output{ nullptr }; |
| bool _info_enabled{ false }; |
| |
| private: |
| Tensor *_current_input{ nullptr }; |
| Hint _previous_hint{ Hint::DONT_CARE }; |
| }; |
| |
| Graph::~Graph() //NOLINT |
| { |
| //Can't use =default because the destructor must be defined after Graph::Private's definition |
| } |
| |
| Graph::Graph() |
| : _pimpl{ new Private() } |
| { |
| } |
| |
| void Graph::run() |
| { |
| while(true) |
| { |
| if(!_pimpl->_graph_input->call_accessor()) |
| { |
| return; |
| } |
| |
| for(auto &stage : _pimpl->_pipeline) |
| { |
| stage._function->run(); |
| } |
| |
| if(!_pimpl->_graph_output->call_accessor()) |
| { |
| return; |
| } |
| } |
| } |
| |
| //Finalize current node's configuration |
| void Graph::Private::configure(Hint _next_hint) |
| { |
| ARM_COMPUTE_ERROR_ON(_current_node == nullptr); |
| ARM_COMPUTE_ERROR_ON(_graph_input == nullptr); |
| |
| // Is it the first node of the graph ? |
| if(_current_input == nullptr) |
| { |
| _graph_input->set_target(_current_hint); |
| _current_input = _graph_input.get(); |
| _previous_hint = _current_hint; // For the first node just assume the previous node was of the same type as this one |
| } |
| |
| //Automatic output configuration ? |
| if(_current_output == nullptr) |
| { |
| _tensors.push_back(arm_compute::support::cpp14::make_unique<Tensor>(TensorInfo())); |
| _current_output = _tensors.back().get(); |
| } |
| |
| // If either the writer or reader node needs OpenCL then use OpenCL memory: |
| if((_next_hint == Hint::OPENCL || _current_hint == Hint::OPENCL)) |
| { |
| _current_output->set_target(Hint::OPENCL); |
| } |
| else |
| { |
| _current_output->set_target(Hint::NEON); |
| } |
| |
| // Map input if needed |
| std::unique_ptr<arm_compute::IFunction> func = _current_node->instantiate_node(_current_hint, _current_input->tensor(), _current_output->tensor()); |
| _current_input->allocate(); |
| |
| if(_current_input->target() == Hint::OPENCL) |
| { |
| if(_previous_hint == Hint::NEON) |
| { |
| ARM_COMPUTE_ERROR_ON(_current_hint == Hint::NEON); |
| _pipeline.push_back({ _current_input, _current_input, arm_compute::support::cpp14::make_unique<CLUnmap>(_current_input) }); |
| } |
| if(_current_hint == Hint::NEON) |
| { |
| ARM_COMPUTE_ERROR_ON(_previous_hint == Hint::NEON); |
| _pipeline.push_back({ _current_input, _current_input, arm_compute::support::cpp14::make_unique<CLMap>(_current_input, true) }); |
| } |
| } |
| |
| _pipeline.push_back({ _current_input, _current_output, std::move(func) }); |
| |
| _current_input = _current_output; |
| _current_output = nullptr; |
| _previous_hint = _current_hint; |
| _current_hint = _next_hint; |
| } |
| |
| void Graph::Private::set_info_enablement(bool is_enabled) |
| { |
| _info_enabled = is_enabled; |
| } |
| |
| void Graph::add_node(std::unique_ptr<INode> node) |
| { |
| ARM_COMPUTE_ERROR_ON_MSG(_pimpl->_graph_input == nullptr, "The graph's input must be set before the first node is added"); |
| ARM_COMPUTE_ERROR_ON_MSG(_pimpl->_graph_output != nullptr, "Nothing can be added after the output tensor"); |
| //Trigger the creation of the current Node: |
| |
| Hint _next_hint = node->override_hint(_pimpl->_next_hint); |
| ARM_COMPUTE_ERROR_ON(_next_hint == Hint::DONT_CARE); |
| if(_pimpl->_current_node) |
| { |
| //Finalize the previous Node: |
| _pimpl->configure(_pimpl->_next_hint); |
| |
| if(_pimpl->_info_enabled) |
| { |
| _pimpl->_current_node->print_info(); |
| } |
| } |
| else |
| { |
| // If that's the first node then use the same Hint before and after the node. |
| _pimpl->_current_hint = _next_hint; |
| } |
| if(_pimpl->_current_node) |
| { |
| _pimpl->_nodes.push_back(std::move(_pimpl->_current_node)); |
| } |
| _pimpl->_current_node = std::move(node); |
| } |
| void Graph::set_hint(Hint hint) |
| { |
| _pimpl->_next_hint = hint; |
| } |
| |
| void Graph::set_info_enablement(bool is_enabled) |
| { |
| _pimpl->set_info_enablement(is_enabled); |
| } |
| |
| //Add a tensor with an Accessor (i.e either the input or output of the graph) |
| void Graph::add_tensor(std::unique_ptr<Tensor> tensor) |
| { |
| // If it's the first Tensor added then it will be the input of the Graph. |
| if(_pimpl->_graph_input == nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON(_pimpl->_graph_output != nullptr); |
| ARM_COMPUTE_ERROR_ON(_pimpl->_current_node != nullptr); |
| _pimpl->_graph_input = std::move(tensor); |
| } |
| else |
| { |
| // Else it will be the output of the Graph |
| ARM_COMPUTE_ERROR_ON(_pimpl->_graph_output != nullptr); |
| ARM_COMPUTE_ERROR_ON(_pimpl->_current_node == nullptr); |
| _pimpl->_graph_output = std::move(tensor); |
| _pimpl->_current_output = _pimpl->_graph_output.get(); |
| |
| // Finalize the graph by configuring the last Node of the graph: |
| _pimpl->configure(_pimpl->_current_hint); // Ignore _next_hint as this is the last node, and just use the same hint as before this node. |
| _pimpl->_graph_output->allocate(); |
| } |
| } |
| |
| void Graph::set_temp(TensorInfo &&tmp) |
| { |
| ARM_COMPUTE_ERROR_ON(_pimpl->_graph_input == nullptr); |
| ARM_COMPUTE_ERROR_ON(_pimpl->_graph_output != nullptr); |
| ARM_COMPUTE_ERROR_ON_MSG(_pimpl->_current_output != nullptr, "TensorInfo for temporary tensor already set"); |
| |
| _pimpl->_tensors.push_back(arm_compute::support::cpp14::make_unique<Tensor>(std::move(tmp))); |
| _pimpl->_current_output = _pimpl->_tensors.back().get(); |
| } |
| |
| Graph &arm_compute::graph::operator<<(Graph &graph, TensorInfo &&info) |
| { |
| graph.set_temp(std::move(info)); |
| return graph; |
| } |
| |
| Graph &arm_compute::graph::operator<<(Graph &graph, Tensor &&tensor) |
| { |
| graph.add_tensor(arm_compute::support::cpp14::make_unique<Tensor>(std::move(tensor))); |
| return graph; |
| } |
| |
| Graph &arm_compute::graph::operator<<(Graph &graph, Hint hint) |
| { |
| graph.set_hint(hint); |
| return graph; |
| } |