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author | Georgios Pinitas <georgios.pinitas@arm.com> | 2017-09-08 19:47:30 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | baf174e85ddb5399355281cd34d0f459d92124a7 (patch) | |
tree | d69904df66f7e5ad55edd268d16735542445f36f /arm_compute/runtime/BlobLifetimeManager.h | |
parent | 1c8409d7ce90ea449437076574c98a4ea90d9368 (diff) | |
download | ComputeLibrary-baf174e85ddb5399355281cd34d0f459d92124a7.tar.gz |
COMPMID-485: Memory Manager
Change-Id: Ib421b7622838f050038cd81e7426bb1413a7d6e6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/87376
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'arm_compute/runtime/BlobLifetimeManager.h')
-rw-r--r-- | arm_compute/runtime/BlobLifetimeManager.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/arm_compute/runtime/BlobLifetimeManager.h b/arm_compute/runtime/BlobLifetimeManager.h new file mode 100644 index 0000000000..ec43f47fe6 --- /dev/null +++ b/arm_compute/runtime/BlobLifetimeManager.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2017 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef __ARM_COMPUTE_BLOBLIFETIMEMANAGER_H__ +#define __ARM_COMPUTE_BLOBLIFETIMEMANAGER_H__ + +#include "arm_compute/runtime/ILifetimeManager.h" + +#include "arm_compute/runtime/IMemoryGroup.h" +#include "arm_compute/runtime/Types.h" + +#include <cstddef> +#include <map> +#include <vector> + +namespace arm_compute +{ +class IMemoryGroup; + +/** Class that tracks the lifetime of registered tensors and calculates the systems memory requirements in terms of blobs */ +class BlobLifetimeManager : public ILifetimeManager +{ +public: + /** Constructor */ + BlobLifetimeManager(); + /** Prevent instances of this class to be copy constructed */ + BlobLifetimeManager(const BlobLifetimeManager &) = delete; + /** Prevent instances of this class to be copied */ + BlobLifetimeManager &operator=(const BlobLifetimeManager &) = delete; + /** Allow instances of this class to be move constructed */ + BlobLifetimeManager(BlobLifetimeManager &&) = default; + /** Allow instances of this class to be moved */ + BlobLifetimeManager &operator=(BlobLifetimeManager &&) = default; + + // Inherited methods overridden: + void register_group(IMemoryGroup *group) override; + void start_lifetime(void *obj) override; + void end_lifetime(void *obj, void **handle, size_t size) override; + std::unique_ptr<IMemoryPool> create_pool(IAllocator *allocator) override; + bool are_all_finalized() const override; + MappingType mapping_type() const override; + +private: + /** Update blobs and mappings */ + void update_blobs_and_mappings(); + +private: + /** Element struct */ + struct Element + { + Element(void *id_ = nullptr, void **handle_ = nullptr, size_t size_ = 0, bool status_ = false) + : id(id_), handle(handle_), size(size_), status(status_) + { + } + void *id; /**< Element id */ + void **handle; /**< Element's memory handle */ + size_t size; /**< Element's size */ + bool status; /**< Lifetime status */ + }; + + IMemoryGroup *_active_group; /**< Active group */ + std::vector<Element> _active_elements; /**< A map that contains the active elements */ + std::map<IMemoryGroup *, std::vector<Element>> _finalized_groups; /**< A map that contains the finalized groups */ + std::vector<size_t> _blobs; +}; +} // arm_compute +#endif /* __ARM_COMPUTE_BLOBLIFETIMEMANAGER_H__ */ |