101 lines
4.0 KiB
C
101 lines
4.0 KiB
C
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/*
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* Copyright (c) 2017-2019 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H
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#define ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H
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#include "arm_compute/runtime/ILifetimeManager.h"
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#include "arm_compute/runtime/IMemoryPool.h"
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#include "arm_compute/runtime/Types.h"
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#include <cstddef>
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#include <list>
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#include <map>
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#include <set>
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#include <vector>
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namespace arm_compute
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{
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class IAllocator;
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class IMemoryGroup;
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/** Abstract class of the simple lifetime manager interface */
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class ISimpleLifetimeManager : public ILifetimeManager
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{
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public:
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/** Constructor */
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ISimpleLifetimeManager();
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/** Prevent instances of this class to be copy constructed */
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ISimpleLifetimeManager(const ISimpleLifetimeManager &) = delete;
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/** Prevent instances of this class to be copied */
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ISimpleLifetimeManager &operator=(const ISimpleLifetimeManager &) = delete;
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/** Allow instances of this class to be move constructed */
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ISimpleLifetimeManager(ISimpleLifetimeManager &&) = default;
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/** Allow instances of this class to be moved */
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ISimpleLifetimeManager &operator=(ISimpleLifetimeManager &&) = default;
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// Inherited methods overridden:
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void register_group(IMemoryGroup *group) override;
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bool release_group(IMemoryGroup *group) override;
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void start_lifetime(void *obj) override;
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void end_lifetime(void *obj, IMemory &obj_memory, size_t size, size_t alignment) override;
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bool are_all_finalized() const override;
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protected:
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/** Update blobs and mappings */
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virtual void update_blobs_and_mappings() = 0;
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protected:
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/** Element struct */
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struct Element
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{
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Element(void *id_ = nullptr, IMemory *handle_ = nullptr, size_t size_ = 0, size_t alignment_ = 0, bool status_ = false)
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: id(id_), handle(handle_), size(size_), alignment(alignment_), status(status_)
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{
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}
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void *id; /**< Element id */
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IMemory *handle; /**< Element's memory handle */
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size_t size; /**< Element's size */
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size_t alignment; /**< Alignment requirement */
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bool status; /**< Lifetime status */
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};
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/** Blob struct */
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struct Blob
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{
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void *id;
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size_t max_size;
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size_t max_alignment;
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std::set<void *> bound_elements;
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};
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IMemoryGroup *_active_group; /**< Active group */
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std::map<void *, Element> _active_elements; /**< A map that contains the active elements */
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std::list<Blob> _free_blobs; /**< Free blobs */
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std::list<Blob> _occupied_blobs; /**< Occupied blobs */
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std::map<IMemoryGroup *, std::map<void *, Element>> _finalized_groups; /**< A map that contains the finalized groups */
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};
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} // namespace arm_compute
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#endif /* ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H */
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