diff options
Diffstat (limited to 'arm_compute/runtime/MemoryGroup.h')
-rw-r--r-- | arm_compute/runtime/MemoryGroup.h | 109 |
1 files changed, 98 insertions, 11 deletions
diff --git a/arm_compute/runtime/MemoryGroup.h b/arm_compute/runtime/MemoryGroup.h index 9127d0849d..6cc948d31a 100644 --- a/arm_compute/runtime/MemoryGroup.h +++ b/arm_compute/runtime/MemoryGroup.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2018 ARM Limited. + * Copyright (c) 2017-2019 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -24,22 +24,109 @@ #ifndef __ARM_COMPUTE_MEMORYGROUP_H__ #define __ARM_COMPUTE_MEMORYGROUP_H__ -#include "arm_compute/runtime/MemoryGroupBase.h" +#include "arm_compute/runtime/IMemoryGroup.h" -#include "arm_compute/runtime/Tensor.h" +#include "arm_compute/core/Error.h" +#include "arm_compute/core/utils/misc/Macros.h" +#include "arm_compute/runtime/IMemoryManager.h" +#include "arm_compute/runtime/IMemoryPool.h" + +#include <cstddef> +#include <memory> namespace arm_compute { -/** Memory Group */ -using MemoryGroup = MemoryGroupBase<Tensor>; +// Forward declarations +class IMemory; + +/** Memory group */ +class MemoryGroup final : public IMemoryGroup +{ +public: + /** Default Constructor */ + MemoryGroup(IMemoryManager *memory_manager); + /** Default Constructor */ + MemoryGroup(std::shared_ptr<IMemoryManager> = nullptr); + /** Default destructor */ + ~MemoryGroup() = default; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + MemoryGroup(const MemoryGroup &) = delete; + /** Prevent instances of this class from being copy assigned (As this class contains pointers) */ + MemoryGroup &operator=(const MemoryGroup &) = delete; + /** Allow instances of this class to be moved */ + MemoryGroup(MemoryGroup &&) = default; + /** Allow instances of this class to be moved */ + MemoryGroup &operator=(MemoryGroup &&) = default; + + // Inherited methods overridden: + void manage(IMemoryManageable *obj) override; + void finalize_memory(IMemoryManageable *obj, IMemory &obj_memory, size_t size, size_t alignment) override; + void acquire() override; + void release() override; + MemoryMappings &mappings() override; + +private: + std::shared_ptr<IMemoryManager> _memory_manager; /**< Memory manager to be used by the group */ + IMemoryPool *_pool; /**< Memory pool that the group is scheduled with */ + MemoryMappings _mappings; /**< Memory mappings of the group */ +}; + +inline MemoryGroup::MemoryGroup(std::shared_ptr<IMemoryManager> memory_manager) + : _memory_manager(memory_manager), _pool(nullptr), _mappings() +{ +} + +inline void MemoryGroup::manage(IMemoryManageable *obj) +{ + if(_memory_manager && (obj != nullptr)) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->lifetime_manager()); + + // Defer registration to the first managed object + _memory_manager->lifetime_manager()->register_group(this); + + // Associate this memory group with the tensor + obj->associate_memory_group(this); + + // Start object lifetime + _memory_manager->lifetime_manager()->start_lifetime(obj); + } +} + +inline void MemoryGroup::finalize_memory(IMemoryManageable *obj, IMemory &obj_memory, size_t size, size_t alignment) +{ + if(_memory_manager) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->lifetime_manager()); + _memory_manager->lifetime_manager()->end_lifetime(obj, obj_memory, size, alignment); + } +} + +inline void MemoryGroup::acquire() +{ + if(!_mappings.empty()) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->pool_manager()); + _pool = _memory_manager->pool_manager()->lock_pool(); + _pool->acquire(_mappings); + } +} + +inline void MemoryGroup::release() +{ + if(_pool != nullptr) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->pool_manager()); + ARM_COMPUTE_ERROR_ON(_mappings.empty()); + _pool->release(_mappings); + _memory_manager->pool_manager()->unlock_pool(_pool); + _pool = nullptr; + } +} -template <> -inline void MemoryGroupBase<Tensor>::associate_memory_group(Tensor *obj) +inline MemoryMappings &MemoryGroup::mappings() { - ARM_COMPUTE_ERROR_ON(obj == nullptr); - auto allocator = dynamic_cast<TensorAllocator *>(obj->allocator()); - ARM_COMPUTE_ERROR_ON(allocator == nullptr); - allocator->set_associated_memory_group(this); + return _mappings; } } // arm_compute #endif /*__ARM_COMPUTE_MEMORYGROUP_H__ */ |