Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +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/ISimpleLifetimeManager.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #include "arm_compute/runtime/IAllocator.h" |
| 28 | #include "arm_compute/runtime/IMemoryGroup.h" |
| 29 | #include "arm_compute/runtime/IMemoryPool.h" |
| 30 | #include "support/ToolchainSupport.h" |
| 31 | |
| 32 | #include <algorithm> |
| 33 | #include <cmath> |
| 34 | #include <map> |
| 35 | #include <vector> |
| 36 | |
| 37 | using namespace arm_compute; |
| 38 | |
| 39 | ISimpleLifetimeManager::ISimpleLifetimeManager() |
| 40 | : _active_group(nullptr), _active_elements(), _finalized_groups() |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | void ISimpleLifetimeManager::register_group(IMemoryGroup *group) |
| 45 | { |
| 46 | if(_active_group == nullptr) |
| 47 | { |
| 48 | ARM_COMPUTE_ERROR_ON(group == nullptr); |
| 49 | _active_group = group; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | void ISimpleLifetimeManager::start_lifetime(void *obj) |
| 54 | { |
| 55 | ARM_COMPUTE_ERROR_ON(obj == nullptr); |
| 56 | ARM_COMPUTE_ERROR_ON_MSG(std::find_if(std::begin(_active_elements), std::end(_active_elements), [&obj](const Element & e) |
| 57 | { |
| 58 | return obj == e.id; |
| 59 | }) != std::end(_active_elements), |
| 60 | "Memory object is already registered!"); |
| 61 | |
| 62 | // Insert object in groups and mark its finalized state to false |
| 63 | _active_elements.emplace_back(obj); |
| 64 | } |
| 65 | |
| 66 | void ISimpleLifetimeManager::end_lifetime(void *obj, void **handle, size_t size) |
| 67 | { |
| 68 | ARM_COMPUTE_ERROR_ON(obj == nullptr); |
| 69 | |
| 70 | // Find object |
| 71 | auto it = std::find_if(std::begin(_active_elements), std::end(_active_elements), [&obj](const Element & e) |
| 72 | { |
| 73 | return obj == e.id; |
| 74 | }); |
| 75 | ARM_COMPUTE_ERROR_ON(it == std::end(_active_elements)); |
| 76 | |
| 77 | // Update object fields and mark object as complete |
| 78 | it->handle = handle; |
| 79 | it->size = size; |
| 80 | it->status = true; |
| 81 | |
| 82 | // Check if all object are finalized and reset active group |
| 83 | if(are_all_finalized()) |
| 84 | { |
| 85 | // Update finalized groups |
| 86 | _finalized_groups[_active_group].insert(std::end(_finalized_groups[_active_group]), std::begin(_active_elements), std::end(_active_elements)); |
| 87 | |
| 88 | // Update blobs and group mappings |
| 89 | update_blobs_and_mappings(); |
| 90 | |
| 91 | // Reset state |
| 92 | _active_elements.clear(); |
| 93 | _active_group = nullptr; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | bool ISimpleLifetimeManager::are_all_finalized() const |
| 98 | { |
| 99 | return !std::any_of(std::begin(_active_elements), std::end(_active_elements), [](const Element e) |
| 100 | { |
| 101 | return !e.status; |
| 102 | }); |
| 103 | } |