Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 1 | /* |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2020 Arm Limited. |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +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_NECHANNELSHUFFLELAYER_H |
| 25 | #define ARM_COMPUTE_NECHANNELSHUFFLELAYER_H |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 26 | |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 27 | #include "arm_compute/core/Types.h" |
Michalis Spyrou | 95abfdd | 2018-11-28 14:59:47 +0000 | [diff] [blame] | 28 | #include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h" |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 29 | |
| 30 | namespace arm_compute |
| 31 | { |
| 32 | // Forward declarations |
| 33 | class ITensor; |
Michalis Spyrou | ebcebf1 | 2020-10-21 00:04:14 +0100 | [diff] [blame] | 34 | class ITensorInfo; |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 35 | |
| 36 | /** Basic function to run @ref NEChannelShuffleLayerKernel |
| 37 | * |
| 38 | * @note The function performs a channel shuffle operation on the input tensor. Given NCHW tensor with group G, it will |
| 39 | * first divide the channels into G groups, C = (G * C'), and perform a transpose of the channel, which gives C = (C' * G). |
| 40 | * for more details see: https://arxiv.org/pdf/1707.01083.pdf |
| 41 | */ |
Michalis Spyrou | 95abfdd | 2018-11-28 14:59:47 +0000 | [diff] [blame] | 42 | class NEChannelShuffleLayer : public INESimpleFunctionNoBorder |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 43 | { |
| 44 | public: |
| 45 | /** Initialize the function |
| 46 | * |
Georgios Pinitas | 3384356 | 2019-12-10 13:33:18 +0000 | [diff] [blame] | 47 | * @param[in] input Input tensor. Data types supported: All |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 48 | * @param[out] output Output tensor. Data type supported: Same as @p input |
| 49 | * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups. |
| 50 | */ |
| 51 | void configure(const ITensor *input, ITensor *output, unsigned int num_groups); |
| 52 | /** Static function to check if given info will lead to a valid configuration of @ref NEChannelShuffleLayer |
| 53 | * |
Georgios Pinitas | 3384356 | 2019-12-10 13:33:18 +0000 | [diff] [blame] | 54 | * @param[in] input Input tensor. Data types supported: All |
Georgios Pinitas | f1adf11 | 2018-11-02 12:54:18 +0000 | [diff] [blame] | 55 | * @param[out] output Output tensor. Data type supported: Same as @p input |
| 56 | * @param[in] num_groups Number of groups. Must be greater than 1 and the number of channels of the tensors must be a multiple of the number of groups. |
| 57 | * |
| 58 | * @return a status |
| 59 | */ |
| 60 | static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_groups); |
| 61 | }; |
| 62 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 63 | #endif /* ARM_COMPUTE_NECHANNELSHUFFLELAYER_H */ |