2 * Copyright (c) 2016, 2017 ARM Limited.
4 * SPDX-License-Identifier: MIT
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7 * of this software and associated documentation files (the "Software"), to
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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
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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24 #include "arm_compute/runtime/MemoryManagerOnDemand.h"
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/runtime/ILifetimeManager.h"
28 #include "arm_compute/runtime/IPoolManager.h"
32 using namespace arm_compute;
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)), _allocator(nullptr), _is_finalized(false), _num_pools(1)
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!");
41 bool MemoryManagerOnDemand::is_finalized() const
46 void MemoryManagerOnDemand::set_num_pools(unsigned int num_pools)
48 ARM_COMPUTE_ERROR_ON(num_pools == 0);
49 _num_pools = num_pools;
52 void MemoryManagerOnDemand::set_allocator(IAllocator *allocator)
54 ARM_COMPUTE_ERROR_ON_MSG(is_finalized(), "Memory manager is already finalized!");
55 ARM_COMPUTE_ERROR_ON(allocator == nullptr);
56 _allocator = allocator;
59 ILifetimeManager *MemoryManagerOnDemand::lifetime_manager()
61 return _lifetime_mgr.get();
64 IPoolManager *MemoryManagerOnDemand::pool_manager()
66 return _pool_mgr.get();
69 void MemoryManagerOnDemand::finalize()
71 ARM_COMPUTE_ERROR_ON_MSG(is_finalized(), "Memory manager is already finalized!");
72 ARM_COMPUTE_ERROR_ON(!_lifetime_mgr);
73 ARM_COMPUTE_ERROR_ON(!_pool_mgr);
74 ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr->are_all_finalized(), "All the objects have not been finalized! ");
75 ARM_COMPUTE_ERROR_ON(_allocator == nullptr);
78 auto pool_template = _lifetime_mgr->create_pool(_allocator);
79 for(int i = _num_pools; i > 1; --i)
81 auto pool = pool_template->duplicate();
82 _pool_mgr->register_pool(std::move(pool));
84 _pool_mgr->register_pool(std::move(pool_template));
86 // Set finalized to true