| /* |
| * Copyright (c) 2017-2020 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/runtime/Scheduler.h" |
| |
| #include "arm_compute/core/Error.h" |
| |
| #if ARM_COMPUTE_CPP_SCHEDULER |
| #include "arm_compute/runtime/CPP/CPPScheduler.h" |
| #endif /* ARM_COMPUTE_CPP_SCHEDULER */ |
| |
| #include "arm_compute/runtime/SingleThreadScheduler.h" |
| |
| #if ARM_COMPUTE_OPENMP_SCHEDULER |
| #include "arm_compute/runtime/OMP/OMPScheduler.h" |
| #endif /* ARM_COMPUTE_OPENMP_SCHEDULER */ |
| |
| using namespace arm_compute; |
| |
| #if !ARM_COMPUTE_CPP_SCHEDULER && ARM_COMPUTE_OPENMP_SCHEDULER |
| Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::OMP; |
| #elif ARM_COMPUTE_CPP_SCHEDULER && !ARM_COMPUTE_OPENMP_SCHEDULER |
| Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::CPP; |
| #elif ARM_COMPUTE_CPP_SCHEDULER && ARM_COMPUTE_OPENMP_SCHEDULER |
| Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::CPP; |
| #else /* ARM_COMPUTE_*_SCHEDULER */ |
| Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::ST; |
| #endif /* ARM_COMPUTE_*_SCHEDULER */ |
| |
| std::shared_ptr<IScheduler> Scheduler::_custom_scheduler = nullptr; |
| |
| namespace |
| { |
| std::map<Scheduler::Type, std::unique_ptr<IScheduler>> init() |
| { |
| std::map<Scheduler::Type, std::unique_ptr<IScheduler>> m; |
| m[Scheduler::Type::ST] = std::make_unique<SingleThreadScheduler>(); |
| #if defined(ARM_COMPUTE_CPP_SCHEDULER) |
| m[Scheduler::Type::CPP] = std::make_unique<CPPScheduler>(); |
| #endif // defined(ARM_COMPUTE_CPP_SCHEDULER) |
| #if defined(ARM_COMPUTE_OPENMP_SCHEDULER) |
| m[Scheduler::Type::OMP] = std::make_unique<OMPScheduler>(); |
| #endif // defined(ARM_COMPUTE_OPENMP_SCHEDULER) |
| |
| return m; |
| } |
| } // namespace |
| |
| std::map<Scheduler::Type, std::unique_ptr<IScheduler>> Scheduler::_schedulers{}; |
| |
| void Scheduler::set(Type t) |
| { |
| ARM_COMPUTE_ERROR_ON(!Scheduler::is_available(t)); |
| _scheduler_type = t; |
| } |
| |
| bool Scheduler::is_available(Type t) |
| { |
| if(t == Type::CUSTOM) |
| { |
| return _custom_scheduler != nullptr; |
| } |
| else |
| { |
| return _schedulers.find(t) != _schedulers.end(); |
| } |
| } |
| |
| Scheduler::Type Scheduler::get_type() |
| { |
| return _scheduler_type; |
| } |
| |
| IScheduler &Scheduler::get() |
| { |
| if(_scheduler_type == Type::CUSTOM) |
| { |
| if(_custom_scheduler == nullptr) |
| { |
| ARM_COMPUTE_ERROR("No custom scheduler has been setup. Call set(std::shared_ptr<IScheduler> &scheduler) before Scheduler::get()"); |
| } |
| else |
| { |
| return *_custom_scheduler; |
| } |
| } |
| else |
| { |
| if(_schedulers.empty()) |
| { |
| _schedulers = init(); |
| } |
| |
| auto it = _schedulers.find(_scheduler_type); |
| if(it != _schedulers.end()) |
| { |
| return *it->second; |
| } |
| else |
| { |
| ARM_COMPUTE_ERROR("Invalid Scheduler type"); |
| } |
| } |
| } |
| |
| void Scheduler::set(std::shared_ptr<IScheduler> scheduler) |
| { |
| _custom_scheduler = std::move(scheduler); |
| set(Type::CUSTOM); |
| } |