1 /*
2 * Copyright (c) 2016-2018 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/MemoryManagerOnDemand.h"
25
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/runtime/ILifetimeManager.h"
28 #include "arm_compute/runtime/IPoolManager.h"
29
30 #include <memory>
31
32 namespace arm_compute
33 {
MemoryManagerOnDemand(std::shared_ptr<ILifetimeManager> lifetime_manager,std::shared_ptr<IPoolManager> pool_manager)34 MemoryManagerOnDemand::MemoryManagerOnDemand(std::shared_ptr<ILifetimeManager> lifetime_manager, std::shared_ptr<IPoolManager> pool_manager)
35 : _lifetime_mgr(std::move(lifetime_manager)), _pool_mgr(std::move(pool_manager))
36 {
37 ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr, "Lifetime manager not specified correctly!");
38 ARM_COMPUTE_ERROR_ON_MSG(!_pool_mgr, "Pool manager not specified correctly!");
39 }
40
lifetime_manager()41 ILifetimeManager *MemoryManagerOnDemand::lifetime_manager()
42 {
43 return _lifetime_mgr.get();
44 }
45
pool_manager()46 IPoolManager *MemoryManagerOnDemand::pool_manager()
47 {
48 return _pool_mgr.get();
49 }
50
populate(arm_compute::IAllocator & allocator,size_t num_pools)51 void MemoryManagerOnDemand::populate(arm_compute::IAllocator &allocator, size_t num_pools)
52 {
53 ARM_COMPUTE_ERROR_ON(!_lifetime_mgr);
54 ARM_COMPUTE_ERROR_ON(!_pool_mgr);
55 ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr->are_all_finalized(), "All the objects have not been finalized!");
56 ARM_COMPUTE_ERROR_ON_MSG(_pool_mgr->num_pools() != 0, "Pool manager already contains pools!");
57
58 // Create pools
59 auto pool_template = _lifetime_mgr->create_pool(&allocator);
60 for(int i = num_pools; i > 1; --i)
61 {
62 auto pool = pool_template->duplicate();
63 _pool_mgr->register_pool(std::move(pool));
64 }
65 _pool_mgr->register_pool(std::move(pool_template));
66 }
67
clear()68 void MemoryManagerOnDemand::clear()
69 {
70 ARM_COMPUTE_ERROR_ON_MSG(!_pool_mgr, "Pool manager not specified correctly!");
71 _pool_mgr->clear_pools();
72 }
73 } //namespace arm_compute
74