2 * Copyright (c) 2017 ARM Limited.
4 * SPDX-License-Identifier: MIT
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7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
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11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
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
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24 #include "arm_compute/runtime/BlobLifetimeManager.h"
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/runtime/BlobMemoryPool.h"
28 #include "arm_compute/runtime/IAllocator.h"
29 #include "arm_compute/runtime/IMemoryGroup.h"
30 #include "support/ToolchainSupport.h"
37 using namespace arm_compute;
39 BlobLifetimeManager::BlobLifetimeManager()
40 : _active_group(nullptr), _active_elements(), _finalized_groups(), _blobs()
44 void BlobLifetimeManager::register_group(IMemoryGroup *group)
46 if(_active_group == nullptr)
48 ARM_COMPUTE_ERROR_ON(group == nullptr);
49 _active_group = group;
53 void BlobLifetimeManager::start_lifetime(void *obj)
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)
59 }) != std::end(_active_elements),
60 "Memory object is already registered!");
62 // Insert object in groups and mark its finalized state to false
63 _active_elements.emplace_back(obj);
66 void BlobLifetimeManager::end_lifetime(void *obj, void **handle, size_t size)
68 ARM_COMPUTE_ERROR_ON(obj == nullptr);
71 auto it = std::find_if(std::begin(_active_elements), std::end(_active_elements), [&obj](const Element & e)
75 ARM_COMPUTE_ERROR_ON(it == std::end(_active_elements));
77 // Update object fields and mark object as complete
82 // Check if all object are finalized and reset active group
83 if(are_all_finalized())
85 // Update finalized groups
86 _finalized_groups[_active_group].insert(std::end(_finalized_groups[_active_group]), std::begin(_active_elements), std::end(_active_elements));
88 // Update blobs and group mappings
89 update_blobs_and_mappings();
92 _active_elements.clear();
93 _active_group = nullptr;
97 std::unique_ptr<IMemoryPool> BlobLifetimeManager::create_pool(IAllocator *allocator)
99 ARM_COMPUTE_ERROR_ON(allocator == nullptr);
100 return support::cpp14::make_unique<BlobMemoryPool>(allocator, _blobs);
103 bool BlobLifetimeManager::are_all_finalized() const
105 return !std::any_of(std::begin(_active_elements), std::end(_active_elements), [](const Element e)
111 MappingType BlobLifetimeManager::mapping_type() const
113 return MappingType::BLOBS;
116 void BlobLifetimeManager::update_blobs_and_mappings()
118 ARM_COMPUTE_ERROR_ON(!are_all_finalized());
119 ARM_COMPUTE_ERROR_ON(_active_group == nullptr);
121 // Sort active group requirements in descending order
122 std::sort(std::begin(_active_elements), std::end(_active_elements), [](const Element & a, const Element & b)
124 return a.size > b.size;
126 std::vector<size_t> group_sizes;
127 std::transform(std::begin(_active_elements), std::end(_active_elements), std::back_inserter(group_sizes), [](const Element & e)
133 size_t max_size = std::max(_blobs.size(), group_sizes.size());
134 _blobs.resize(max_size, 0);
135 group_sizes.resize(max_size, 0);
136 std::transform(std::begin(_blobs), std::end(_blobs), std::begin(group_sizes), std::begin(_blobs), [](size_t lhs, size_t rhs)
138 return std::max(lhs, rhs);
141 // Calculate group mappings
142 auto &group_mappings = _active_group->mappings();
144 for(auto &e : _active_elements)
146 group_mappings[e.handle] = blob_idx++;