1 /* 2 * Copyright (c) 2020 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_ITENSORPACK_H 25 #define ARM_COMPUTE_ITENSORPACK_H 26 27 #include <cstdint> 28 #include <map> 29 30 namespace arm_compute 31 { 32 // Forward declaration 33 class ITensor; 34 35 /** Tensor packing service */ 36 class ITensorPack 37 { 38 private: 39 struct PackElement 40 { 41 PackElement() = default; PackElementPackElement42 PackElement(ITensor *tensor) 43 : tensor(tensor), ctensor(nullptr) 44 { 45 } PackElementPackElement46 PackElement(const ITensor *ctensor) 47 : tensor(nullptr), ctensor(ctensor) 48 { 49 } 50 51 ITensor *tensor{ nullptr }; 52 const ITensor *ctensor{ nullptr }; 53 }; 54 55 public: 56 /** Default Constructor */ 57 ITensorPack() = default; 58 /** Add tensor to the pack 59 * 60 * @param[in] id ID/type of the tensor to add 61 * @param[in] tensor Tensor to add 62 */ 63 void add_tensor(int id, ITensor *tensor); 64 65 /** Add const tensor to the pack 66 * 67 * @param[in] id ID/type of the tensor to add 68 * @param[in] tensor Tensor to add 69 */ 70 void add_tensor(int id, const ITensor *tensor); 71 /** Get tensor of a given id from the pac 72 * 73 * @param[in] id ID of tensor to extract 74 * 75 * @return The pointer to the tensor if exist and is non-const else nullptr 76 */ 77 ITensor *get_tensor(int id); 78 /** Get constant tensor of a given id 79 * 80 * @param[in] id ID of tensor to extract 81 * 82 * @return The pointer to the tensor if exist and is const else nullptr 83 */ 84 const ITensor *get_const_tensor(int id) const; 85 /** Pack size accessor 86 * 87 * @return Number of tensors registered to the pack 88 */ 89 size_t size() const; 90 /** Checks if pack is empty 91 * 92 * @return True if empty else false 93 */ 94 bool empty() const; 95 96 private: 97 std::map<unsigned int, PackElement> _pack{}; /**< Container with the packed tensors */ 98 }; 99 } // namespace arm_compute 100 #endif /*ARM_COMPUTE_ITENSORPACK_H */ 101