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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/MemoryGroupBase.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/MemoryGroupBase.h')
-rw-r--r-- | arm_compute/runtime/MemoryGroupBase.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/arm_compute/runtime/MemoryGroupBase.h b/arm_compute/runtime/MemoryGroupBase.h new file mode 100644 index 0000000000..ab8acb3494 --- /dev/null +++ b/arm_compute/runtime/MemoryGroupBase.h @@ -0,0 +1,159 @@ +/* + * 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_MEMORYGROUPBASE_H__ +#define __ARM_COMPUTE_MEMORYGROUPBASE_H__ + +#include "arm_compute/runtime/IMemoryGroup.h" + +#include "arm_compute/runtime/IMemoryManager.h" +#include "arm_compute/runtime/IMemoryPool.h" + +#include <cstddef> +#include <memory> + +namespace arm_compute +{ +/** Memory group */ +template <typename TensorType> +class MemoryGroupBase : public IMemoryGroup +{ +public: + /** Default Constructor */ + MemoryGroupBase(std::shared_ptr<IMemoryManager> memory_manager = nullptr); + /** Default destructor */ + ~MemoryGroupBase() = default; + /** Prevent instances of this class from being copied (As this class contains pointers). */ + MemoryGroupBase(const MemoryGroupBase &) = delete; + /** Prevent instances of this class from being copy assigned (As this class contains pointers). */ + MemoryGroupBase &operator=(const MemoryGroupBase &) = delete; + /** Allow instances of this class to be moved */ + MemoryGroupBase(MemoryGroupBase &&) = default; + /** Allow instances of this class to be moved */ + MemoryGroupBase &operator=(MemoryGroupBase &&) = default; + /** Sets a object to be managed by the given memory group + * + * @note Manager must not be finalized + * + * @param[in] obj Object to be managed + */ + void manage(TensorType *obj); + /** Finalizes memory for a given object + * + * @note Manager must not be finalized + * + * @param[in] obj Object to request memory for + * @param[in] handle Handle to store the memory + * @param[in] size Size of memory to allocate + */ + void finalize_memory(TensorType *obj, void **handle, size_t size); + + // Inherited methods overridden: + void acquire() override; + void release() override; + MemoryMappings &mappings() override; + +private: + void associate_memory_group(TensorType *obj); + +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 */ +}; + +template <typename TensorType> +inline MemoryGroupBase<TensorType>::MemoryGroupBase(std::shared_ptr<IMemoryManager> memory_manager) + : _memory_manager(std::move(memory_manager)), _pool(nullptr), _mappings() +{ + if(_memory_manager) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->lifetime_manager()); + } +} + +template <typename TensorType> +inline void MemoryGroupBase<TensorType>::manage(TensorType *obj) +{ + if(_memory_manager) + { + 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 + associate_memory_group(obj); + + // Start object lifetime + _memory_manager->lifetime_manager()->start_lifetime(obj); + } +} + +template <typename TensorType> +inline void MemoryGroupBase<TensorType>::finalize_memory(TensorType *obj, void **handle, size_t size) +{ + if(_memory_manager) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->lifetime_manager()); + _memory_manager->lifetime_manager()->end_lifetime(obj, handle, size); + } +} + +template <typename TensorType> +inline void MemoryGroupBase<TensorType>::acquire() +{ + if(!_mappings.empty()) + { + ARM_COMPUTE_ERROR_ON(!_memory_manager->pool_manager()); + _pool = _memory_manager->pool_manager()->lock_pool(); + _pool->acquire(_mappings); + } +} + +template <typename TensorType> +inline void MemoryGroupBase<TensorType>::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 <typename TensorType> +inline MemoryMappings &MemoryGroupBase<TensorType>::mappings() +{ + return _mappings; +} + +template <typename TensorType> +inline void MemoryGroupBase<TensorType>::associate_memory_group(TensorType *) +{ + ARM_COMPUTE_ERROR("Must be implemented by child class"); +} +} // arm_compute +#endif /*__ARM_COMPUTE_MEMORYGROUPBASE_H__ */ |