Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 1 | /* |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2018 ARM Limited. |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 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" |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 28 | #include "arm_compute/runtime/IMemory.h" |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 29 | #include "arm_compute/runtime/IMemoryGroup.h" |
| 30 | #include "arm_compute/runtime/IMemoryPool.h" |
| 31 | #include "support/ToolchainSupport.h" |
| 32 | |
| 33 | #include <algorithm> |
| 34 | #include <cmath> |
| 35 | #include <map> |
| 36 | #include <vector> |
| 37 | |
| 38 | using namespace arm_compute; |
| 39 | |
| 40 | ISimpleLifetimeManager::ISimpleLifetimeManager() |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 41 | : _active_group(nullptr), _active_elements(), _free_blobs(), _occupied_blobs(), _finalized_groups() |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 42 | { |
| 43 | } |
| 44 | |
| 45 | void ISimpleLifetimeManager::register_group(IMemoryGroup *group) |
| 46 | { |
| 47 | if(_active_group == nullptr) |
| 48 | { |
| 49 | ARM_COMPUTE_ERROR_ON(group == nullptr); |
| 50 | _active_group = group; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | void ISimpleLifetimeManager::start_lifetime(void *obj) |
| 55 | { |
| 56 | ARM_COMPUTE_ERROR_ON(obj == nullptr); |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 57 | ARM_COMPUTE_ERROR_ON_MSG(_active_elements.find(obj) != std::end(_active_elements), "Memory object is already registered!"); |
| 58 | |
| 59 | // Check if there is a free blob |
| 60 | if(_free_blobs.empty()) |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 61 | { |
Georgios Pinitas | 555f1c2 | 2018-12-14 17:11:20 +0000 | [diff] [blame] | 62 | _occupied_blobs.emplace_front(Blob{ obj, 0, 0, { obj } }); |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 63 | } |
| 64 | else |
| 65 | { |
| 66 | _occupied_blobs.splice(std::begin(_occupied_blobs), _free_blobs, std::begin(_free_blobs)); |
| 67 | _occupied_blobs.front().id = obj; |
| 68 | } |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 69 | |
| 70 | // Insert object in groups and mark its finalized state to false |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 71 | _active_elements.insert(std::make_pair(obj, obj)); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 72 | } |
| 73 | |
Georgios Pinitas | 555f1c2 | 2018-12-14 17:11:20 +0000 | [diff] [blame] | 74 | void ISimpleLifetimeManager::end_lifetime(void *obj, IMemory &obj_memory, size_t size, size_t alignment) |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 75 | { |
| 76 | ARM_COMPUTE_ERROR_ON(obj == nullptr); |
| 77 | |
| 78 | // Find object |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 79 | auto active_object_it = _active_elements.find(obj); |
| 80 | ARM_COMPUTE_ERROR_ON(active_object_it == std::end(_active_elements)); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 81 | |
| 82 | // Update object fields and mark object as complete |
Georgios Pinitas | 555f1c2 | 2018-12-14 17:11:20 +0000 | [diff] [blame] | 83 | Element &el = active_object_it->second; |
| 84 | el.handle = &obj_memory; |
| 85 | el.size = size; |
| 86 | el.alignment = alignment; |
| 87 | el.status = true; |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 88 | |
| 89 | // Find object in the occupied lists |
| 90 | auto occupied_blob_it = std::find_if(std::begin(_occupied_blobs), std::end(_occupied_blobs), [&obj](const Blob & b) |
| 91 | { |
| 92 | return obj == b.id; |
| 93 | }); |
| 94 | ARM_COMPUTE_ERROR_ON(occupied_blob_it == std::end(_occupied_blobs)); |
| 95 | |
| 96 | // Update occupied blob and return as free |
| 97 | occupied_blob_it->bound_elements.insert(obj); |
Georgios Pinitas | 555f1c2 | 2018-12-14 17:11:20 +0000 | [diff] [blame] | 98 | occupied_blob_it->max_size = std::max(occupied_blob_it->max_size, size); |
| 99 | occupied_blob_it->max_alignment = std::max(occupied_blob_it->max_alignment, alignment); |
| 100 | occupied_blob_it->id = nullptr; |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 101 | _free_blobs.splice(std::begin(_free_blobs), _occupied_blobs, occupied_blob_it); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 102 | |
| 103 | // Check if all object are finalized and reset active group |
| 104 | if(are_all_finalized()) |
| 105 | { |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 106 | ARM_COMPUTE_ERROR_ON(!_occupied_blobs.empty()); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 107 | |
| 108 | // Update blobs and group mappings |
| 109 | update_blobs_and_mappings(); |
| 110 | |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 111 | // Update finalized groups |
| 112 | _finalized_groups[_active_group] = std::move(_active_elements); |
| 113 | |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 114 | // Reset state |
| 115 | _active_elements.clear(); |
| 116 | _active_group = nullptr; |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 117 | _free_blobs.clear(); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 118 | } |
| 119 | } |
| 120 | |
| 121 | bool ISimpleLifetimeManager::are_all_finalized() const |
| 122 | { |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 123 | return !std::any_of(std::begin(_active_elements), std::end(_active_elements), [](const std::pair<void *, Element> &e) |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 124 | { |
Georgios Pinitas | 3d1489d | 2018-05-03 20:47:16 +0100 | [diff] [blame] | 125 | return !e.second.status; |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 126 | }); |
| 127 | } |