Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 1 | /* |
Teresa Charlin | 6268742 | 2021-04-28 10:58:49 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2021 Arm Limited. |
Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 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 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_NEUNSTACK_H |
| 25 | #define ARM_COMPUTE_NEUNSTACK_H |
Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 26 | |
| 27 | #include "arm_compute/core/Types.h" |
| 28 | #include "arm_compute/runtime/IFunction.h" |
| 29 | |
| 30 | #include "arm_compute/runtime/NEON/functions/NEStridedSlice.h" |
| 31 | |
| 32 | #include <memory> |
| 33 | |
| 34 | namespace arm_compute |
| 35 | { |
| 36 | // Forward declarations |
| 37 | class ITensor; |
| 38 | |
| 39 | /** Basic function to unpack a rank-R tensor into rank-(R-1) tensors. This function calls the following functions: |
| 40 | * |
| 41 | * -# @ref NEStridedSlice |
| 42 | */ |
| 43 | class NEUnstack : public IFunction |
| 44 | { |
| 45 | public: |
| 46 | /** Default constructor */ |
| 47 | NEUnstack(); |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 48 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 49 | NEUnstack(const NEUnstack &) = delete; |
| 50 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 51 | NEUnstack &operator=(const NEUnstack &) = delete; |
| 52 | /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| 53 | NEUnstack(NEUnstack &&) = delete; |
| 54 | /** Prevent instances of this class from being moved (As this class contains non movable objects) */ |
| 55 | NEUnstack &operator=(NEUnstack &&) = delete; |
| 56 | /** Default destructor */ |
| 57 | ~NEUnstack() = default; |
Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 58 | /** Set the input, output and unstacking axis. |
| 59 | * |
Teresa Charlin | 6268742 | 2021-04-28 10:58:49 +0100 | [diff] [blame] | 60 | * Valid data layouts: |
| 61 | * - All |
| 62 | * |
| 63 | * Valid data type configurations: |
| 64 | * |src |dst | |
| 65 | * |:--------------|:--------------| |
| 66 | * |All |All | |
| 67 | * |
Michele Di Giorgio | f9b595a | 2020-07-03 13:34:52 +0100 | [diff] [blame] | 68 | * @param[in] input A tensor to be unstacked. Data type supported: All. |
| 69 | * @param[in,out] output_vector A vector of tensors. Data types supported: same as @p input. |
Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 70 | * Note: The number of elements of the vector will be used as the number of slices to be taken from the axis. |
| 71 | * @param[in] axis The axis to unstack along. Valid values are [-R,R) where R is the input's rank. Negative values wrap around. |
| 72 | * |
| 73 | */ |
| 74 | void configure(const ITensor *input, const std::vector<ITensor *> &output_vector, int axis); |
| 75 | /** Static function to check if given info will lead to a valid configuration of @ref NEUnstack |
| 76 | * |
Michele Di Giorgio | f9b595a | 2020-07-03 13:34:52 +0100 | [diff] [blame] | 77 | * @param[in] input Input tensor info. Data type supported: All. |
| 78 | * @param[in] output_vector Vector of output tensors' info. Data types supported: same as @p input. |
Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 79 | * @param[in] axis The axis to unstack along. Valid values are [-R,R) where R is the input's rank. Negative values wrap around. |
| 80 | * |
| 81 | * @return a status |
| 82 | */ |
| 83 | static Status validate(const ITensorInfo *input, const std::vector<ITensorInfo *> &output_vector, int axis); |
| 84 | |
| 85 | // Inherited methods overridden: |
| 86 | void run() override; |
| 87 | |
| 88 | private: |
Michalis Spyrou | bcfd09a | 2019-05-01 13:03:59 +0100 | [diff] [blame] | 89 | unsigned int _num_slices; |
| 90 | std::vector<NEStridedSlice> _strided_slice_vector; |
Georgios Pinitas | 6d9d6f4 | 2018-12-24 16:10:47 +0000 | [diff] [blame] | 91 | }; |
| 92 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 93 | #endif /* ARM_COMPUTE_NEUNSTACK_H */ |