Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/runtime/Scheduler.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #if ARM_COMPUTE_CPP_SCHEDULER |
| 28 | #include "arm_compute/runtime/CPP/CPPScheduler.h" |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 29 | #endif /* ARM_COMPUTE_CPP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 30 | |
| 31 | #include "arm_compute/runtime/SingleThreadScheduler.h" |
| 32 | |
| 33 | #if ARM_COMPUTE_OPENMP_SCHEDULER |
| 34 | #include "arm_compute/runtime/OMP/OMPScheduler.h" |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 35 | #endif /* ARM_COMPUTE_OPENMP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 36 | |
| 37 | using namespace arm_compute; |
| 38 | |
| 39 | #if !ARM_COMPUTE_CPP_SCHEDULER && ARM_COMPUTE_OPENMP_SCHEDULER |
| 40 | Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::OMP; |
| 41 | #elif ARM_COMPUTE_CPP_SCHEDULER && !ARM_COMPUTE_OPENMP_SCHEDULER |
| 42 | Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::CPP; |
| 43 | #elif ARM_COMPUTE_CPP_SCHEDULER && ARM_COMPUTE_OPENMP_SCHEDULER |
| 44 | Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::CPP; |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 45 | #else /* ARM_COMPUTE_*_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 46 | Scheduler::Type Scheduler::_scheduler_type = Scheduler::Type::ST; |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 47 | #endif /* ARM_COMPUTE_*_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 48 | |
| 49 | void Scheduler::set(Type t) |
| 50 | { |
| 51 | ARM_COMPUTE_ERROR_ON(!Scheduler::is_available(t)); |
| 52 | _scheduler_type = t; |
| 53 | } |
| 54 | |
| 55 | bool Scheduler::is_available(Type t) |
| 56 | { |
| 57 | switch(t) |
| 58 | { |
| 59 | case Type::ST: |
| 60 | { |
| 61 | return true; |
| 62 | } |
| 63 | case Type::CPP: |
| 64 | { |
| 65 | #if ARM_COMPUTE_CPP_SCHEDULER |
| 66 | return true; |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 67 | #else /* ARM_COMPUTE_CPP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 68 | return false; |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 69 | #endif /* ARM_COMPUTE_CPP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 70 | } |
| 71 | case Type::OMP: |
| 72 | { |
| 73 | #if ARM_COMPUTE_OPENMP_SCHEDULER |
| 74 | return true; |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 75 | #else /* ARM_COMPUTE_OPENMP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 76 | return false; |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 77 | #endif /* ARM_COMPUTE_OPENMP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 78 | } |
| 79 | case Type::CUSTOM: |
| 80 | { |
| 81 | return _custom_scheduler != nullptr; |
| 82 | } |
| 83 | default: |
| 84 | { |
| 85 | ARM_COMPUTE_ERROR("Invalid Scheduler type"); |
| 86 | return false; |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | Scheduler::Type Scheduler::get_type() |
| 92 | { |
| 93 | return _scheduler_type; |
| 94 | } |
| 95 | |
| 96 | IScheduler &Scheduler::get() |
| 97 | { |
| 98 | switch(_scheduler_type) |
| 99 | { |
| 100 | case Type::ST: |
| 101 | { |
| 102 | return SingleThreadScheduler::get(); |
| 103 | } |
| 104 | case Type::CPP: |
| 105 | { |
| 106 | #if ARM_COMPUTE_CPP_SCHEDULER |
| 107 | return CPPScheduler::get(); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 108 | #else /* ARM_COMPUTE_CPP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 109 | ARM_COMPUTE_ERROR("Recompile with cppthreads=1 to use C++11 scheduler."); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 110 | #endif /* ARM_COMPUTE_CPP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 111 | break; |
| 112 | } |
| 113 | case Type::OMP: |
| 114 | { |
| 115 | #if ARM_COMPUTE_OPENMP_SCHEDULER |
| 116 | return OMPScheduler::get(); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 117 | #else /* ARM_COMPUTE_OPENMP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 118 | ARM_COMPUTE_ERROR("Recompile with openmp=1 to use openmp scheduler."); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 119 | #endif /* ARM_COMPUTE_OPENMP_SCHEDULER */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 120 | break; |
| 121 | } |
| 122 | case Type::CUSTOM: |
| 123 | { |
| 124 | if(_custom_scheduler == nullptr) |
| 125 | { |
| 126 | ARM_COMPUTE_ERROR("No custom scheduler has been setup. Call set(std::shared_ptr<IScheduler> &scheduler) before Scheduler::get()"); |
| 127 | } |
| 128 | else |
| 129 | { |
| 130 | return *_custom_scheduler; |
| 131 | } |
| 132 | break; |
| 133 | } |
| 134 | default: |
| 135 | { |
| 136 | ARM_COMPUTE_ERROR("Invalid Scheduler type"); |
| 137 | break; |
| 138 | } |
| 139 | } |
| 140 | return SingleThreadScheduler::get(); |
| 141 | } |
| 142 | |
| 143 | std::shared_ptr<IScheduler> Scheduler::_custom_scheduler = nullptr; |
| 144 | |
| 145 | void Scheduler::set(std::shared_ptr<IScheduler> &scheduler) |
| 146 | { |
| 147 | _custom_scheduler = scheduler; |
| 148 | set(Type::CUSTOM); |
| 149 | } |