1 /* 2 * Copyright (c) 2017-2019 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_OFFSETLIFETIMEMANAGER_H 25 #define ARM_COMPUTE_OFFSETLIFETIMEMANAGER_H 26 27 #include "arm_compute/runtime/ISimpleLifetimeManager.h" 28 29 #include "arm_compute/runtime/Types.h" 30 31 #include <map> 32 #include <vector> 33 34 namespace arm_compute 35 { 36 // Forward declarations 37 class IMemoryPool; 38 39 /** Concrete class that tracks the lifetime of registered tensors and 40 * calculates the systems memory requirements in terms of a single blob and a list of offsets */ 41 class OffsetLifetimeManager : public ISimpleLifetimeManager 42 { 43 public: 44 using info_type = BlobInfo; 45 46 public: 47 /** Constructor */ 48 OffsetLifetimeManager(); 49 /** Prevent instances of this class to be copy constructed */ 50 OffsetLifetimeManager(const OffsetLifetimeManager &) = delete; 51 /** Prevent instances of this class to be copied */ 52 OffsetLifetimeManager &operator=(const OffsetLifetimeManager &) = delete; 53 /** Allow instances of this class to be move constructed */ 54 OffsetLifetimeManager(OffsetLifetimeManager &&) = default; 55 /** Allow instances of this class to be moved */ 56 OffsetLifetimeManager &operator=(OffsetLifetimeManager &&) = default; 57 /** Accessor to the pool internal configuration meta-data 58 * 59 * @return Lifetime manager internal configuration meta-data 60 */ 61 const info_type &info() const; 62 63 // Inherited methods overridden: 64 std::unique_ptr<IMemoryPool> create_pool(IAllocator *allocator) override; 65 MappingType mapping_type() const override; 66 67 private: 68 // Inherited methods overridden: 69 void update_blobs_and_mappings() override; 70 71 private: 72 BlobInfo _blob; /**< Memory blob size */ 73 }; 74 } // namespace arm_compute 75 #endif /* ARM_COMPUTE_OFFSETLIFETIMEMANAGER_H */ 76