2 * Copyright (c) 2017-2018 ARM Limited.
4 * SPDX-License-Identifier: MIT
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:
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
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
24 #include "arm_compute/runtime/OffsetLifetimeManager.h"
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/OffsetMemoryPool.h"
30 #include "support/ToolchainSupport.h"
37 using namespace arm_compute;
39 OffsetLifetimeManager::OffsetLifetimeManager()
44 std::unique_ptr<IMemoryPool> OffsetLifetimeManager::create_pool(IAllocator *allocator)
46 ARM_COMPUTE_ERROR_ON(allocator == nullptr);
47 return support::cpp14::make_unique<OffsetMemoryPool>(allocator, _blob);
50 MappingType OffsetLifetimeManager::mapping_type() const
52 return MappingType::OFFSETS;
55 void OffsetLifetimeManager::update_blobs_and_mappings()
57 ARM_COMPUTE_ERROR_ON(!are_all_finalized());
58 ARM_COMPUTE_ERROR_ON(_active_group == nullptr);
61 size_t max_group_size = std::accumulate(std::begin(_free_blobs), std::end(_free_blobs), static_cast<size_t>(0), [](size_t s, const Blob & b)
63 return s + b.max_size;
65 _blob = std::max(_blob, max_group_size);
67 // Calculate group mappings
68 auto &group_mappings = _active_group->mappings();
70 for(auto &free_blob : _free_blobs)
72 for(auto &bound_element_id : free_blob.bound_elements)
74 ARM_COMPUTE_ERROR_ON(_active_elements.find(bound_element_id) == std::end(_active_elements));
75 Element &bound_element = _active_elements[bound_element_id];
76 group_mappings[bound_element.handle] = offset;
78 offset += free_blob.max_size;
79 ARM_COMPUTE_ERROR_ON(offset > _blob);