Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #ifndef __ARM_COMPUTE_BLOBMEMORYPOOL_H__ |
| 25 | #define __ARM_COMPUTE_BLOBMEMORYPOOL_H__ |
| 26 | |
| 27 | #include "arm_compute/runtime/IMemoryPool.h" |
| 28 | |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 29 | #include "arm_compute/runtime/Types.h" |
| 30 | |
| 31 | #include <cstddef> |
Georgios Pinitas | d9e5b19 | 2017-09-19 15:03:20 +0100 | [diff] [blame] | 32 | #include <memory> |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 33 | #include <vector> |
| 34 | |
| 35 | namespace arm_compute |
| 36 | { |
Georgios Pinitas | d9e5b19 | 2017-09-19 15:03:20 +0100 | [diff] [blame] | 37 | class IAllocator; |
| 38 | |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 39 | /** Blob memory pool */ |
| 40 | class BlobMemoryPool : public IMemoryPool |
| 41 | { |
| 42 | public: |
Georgios Pinitas | d9e5b19 | 2017-09-19 15:03:20 +0100 | [diff] [blame] | 43 | /** Default Constructor |
| 44 | * |
| 45 | * @note allocator should outlive the memory pool |
| 46 | * |
| 47 | * @param[in] allocator Backing memory allocator |
| 48 | * @param[in] blob_sizes Sizes of the blobs to be allocated |
| 49 | */ |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 50 | BlobMemoryPool(IAllocator *allocator, std::vector<size_t> blob_sizes); |
| 51 | /** Default Destructor */ |
| 52 | ~BlobMemoryPool(); |
| 53 | /** Prevent instances of this class to be copy constructed */ |
| 54 | BlobMemoryPool(const BlobMemoryPool &) = delete; |
| 55 | /** Prevent instances of this class to be copy assigned */ |
| 56 | BlobMemoryPool &operator=(const BlobMemoryPool &) = delete; |
| 57 | /** Allow instances of this class to be move constructed */ |
| 58 | BlobMemoryPool(BlobMemoryPool &&) = default; |
| 59 | /** Allow instances of this class to be move assigned */ |
| 60 | BlobMemoryPool &operator=(BlobMemoryPool &&) = default; |
| 61 | |
| 62 | // Inherited methods overridden: |
| 63 | void acquire(MemoryMappings &handles) override; |
| 64 | void release(MemoryMappings &handles) override; |
| 65 | MappingType mapping_type() const override; |
| 66 | std::unique_ptr<IMemoryPool> duplicate() override; |
| 67 | |
| 68 | private: |
| 69 | /** Allocates internal blobs |
| 70 | * |
| 71 | * @param sizes Size of each blob |
| 72 | */ |
| 73 | void allocate_blobs(const std::vector<size_t> &sizes); |
| 74 | /** Frees blobs **/ |
| 75 | void free_blobs(); |
| 76 | |
| 77 | private: |
| 78 | IAllocator *_allocator; /**< Allocator to use for internal allocation */ |
| 79 | std::vector<void *> _blobs; /**< Vector holding all the memory blobs */ |
| 80 | std::vector<size_t> _blob_sizes; /**< Sizes of each blob */ |
| 81 | }; |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 82 | } // namespace arm_compute |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 83 | #endif /* __ARM_COMPUTE_BLOBMEMORYPOOL_H__ */ |