1 /*
2 * Copyright (c) 2017-2021 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/BlobMemoryPool.h"
25
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/runtime/IAllocator.h"
28 #include "arm_compute/runtime/IMemoryPool.h"
29 #include "arm_compute/runtime/Types.h"
30
31 #include <vector>
32
33 using namespace arm_compute;
34
BlobMemoryPool(IAllocator * allocator,std::vector<BlobInfo> blob_info)35 BlobMemoryPool::BlobMemoryPool(IAllocator *allocator, std::vector<BlobInfo> blob_info)
36 : _allocator(allocator), _blobs(), _blob_info(std::move(blob_info))
37 {
38 ARM_COMPUTE_ERROR_ON(!allocator);
39 allocate_blobs(_blob_info);
40 }
41
~BlobMemoryPool()42 BlobMemoryPool::~BlobMemoryPool()
43 {
44 free_blobs();
45 }
46
acquire(MemoryMappings & handles)47 void BlobMemoryPool::acquire(MemoryMappings &handles)
48 {
49 // Set memory to handlers
50 for(auto &handle : handles)
51 {
52 ARM_COMPUTE_ERROR_ON(handle.first == nullptr);
53 handle.first->set_region(_blobs[handle.second].get());
54 }
55 }
56
release(MemoryMappings & handles)57 void BlobMemoryPool::release(MemoryMappings &handles)
58 {
59 for(auto &handle : handles)
60 {
61 ARM_COMPUTE_ERROR_ON(handle.first == nullptr);
62 handle.first->set_region(nullptr);
63 }
64 }
65
mapping_type() const66 MappingType BlobMemoryPool::mapping_type() const
67 {
68 return MappingType::BLOBS;
69 }
70
duplicate()71 std::unique_ptr<IMemoryPool> BlobMemoryPool::duplicate()
72 {
73 ARM_COMPUTE_ERROR_ON(!_allocator);
74 return std::make_unique<BlobMemoryPool>(_allocator, _blob_info);
75 }
76
allocate_blobs(const std::vector<BlobInfo> & blob_info)77 void BlobMemoryPool::allocate_blobs(const std::vector<BlobInfo> &blob_info)
78 {
79 ARM_COMPUTE_ERROR_ON(!_allocator);
80
81 for(const auto &bi : blob_info)
82 {
83 _blobs.push_back(_allocator->make_region(bi.size, bi.alignment));
84 }
85 }
86
free_blobs()87 void BlobMemoryPool::free_blobs()
88 {
89 _blobs.clear();
90 }
91