1 /*
2 * Copyright (c) 2017-2020 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 #include "support/MemorySupport.h"
31
32 #include <vector>
33
34 using namespace arm_compute;
35
BlobMemoryPool(IAllocator * allocator,std::vector<BlobInfo> blob_info)36 BlobMemoryPool::BlobMemoryPool(IAllocator *allocator, std::vector<BlobInfo> blob_info)
37 : _allocator(allocator), _blobs(), _blob_info(std::move(blob_info))
38 {
39 ARM_COMPUTE_ERROR_ON(!allocator);
40 allocate_blobs(_blob_info);
41 }
42
~BlobMemoryPool()43 BlobMemoryPool::~BlobMemoryPool()
44 {
45 ARM_COMPUTE_ERROR_ON(!_allocator);
46 free_blobs();
47 }
48
acquire(MemoryMappings & handles)49 void BlobMemoryPool::acquire(MemoryMappings &handles)
50 {
51 // Set memory to handlers
52 for(auto &handle : handles)
53 {
54 ARM_COMPUTE_ERROR_ON(handle.first == nullptr);
55 handle.first->set_region(_blobs[handle.second].get());
56 }
57 }
58
release(MemoryMappings & handles)59 void BlobMemoryPool::release(MemoryMappings &handles)
60 {
61 for(auto &handle : handles)
62 {
63 ARM_COMPUTE_ERROR_ON(handle.first == nullptr);
64 handle.first->set_region(nullptr);
65 }
66 }
67
mapping_type() const68 MappingType BlobMemoryPool::mapping_type() const
69 {
70 return MappingType::BLOBS;
71 }
72
duplicate()73 std::unique_ptr<IMemoryPool> BlobMemoryPool::duplicate()
74 {
75 ARM_COMPUTE_ERROR_ON(!_allocator);
76 return support::cpp14::make_unique<BlobMemoryPool>(_allocator, _blob_info);
77 }
78
allocate_blobs(const std::vector<BlobInfo> & blob_info)79 void BlobMemoryPool::allocate_blobs(const std::vector<BlobInfo> &blob_info)
80 {
81 ARM_COMPUTE_ERROR_ON(!_allocator);
82
83 for(const auto &bi : blob_info)
84 {
85 _blobs.push_back(_allocator->make_region(bi.size, bi.alignment));
86 }
87 }
88
free_blobs()89 void BlobMemoryPool::free_blobs()
90 {
91 _blobs.clear();
92 }
93