Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 1 | /* |
Teresa Charlin | 6268742 | 2021-04-28 10:58:49 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2021 Arm Limited. |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [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_CLCHANNELSHUFFLELAYER_H |
| 25 | #define ARM_COMPUTE_CLCHANNELSHUFFLELAYER_H |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 26 | |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 27 | #include "arm_compute/core/Error.h" |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 28 | #include "arm_compute/runtime/CL/ICLSimpleFunction.h" |
| 29 | |
| 30 | namespace arm_compute |
| 31 | { |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 32 | class CLCompileContext; |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 33 | class ICLTensor; |
Sang-Hoon Park | bef7fa2 | 2020-10-21 15:58:54 +0100 | [diff] [blame] | 34 | class ITensorInfo; |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 35 | |
| 36 | /** Basic function to run @ref CLChannelShuffleLayerKernel |
| 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 | */ |
| 42 | class CLChannelShuffleLayer : public ICLSimpleFunction |
| 43 | { |
| 44 | public: |
| 45 | /** Initialize the function |
| 46 | * |
Teresa Charlin | 6268742 | 2021-04-28 10:58:49 +0100 | [diff] [blame] | 47 | * Valid data layouts: |
| 48 | * - NCHW |
Michele Di Giorgio | b8025b3 | 2021-09-03 10:29:49 +0100 | [diff] [blame] | 49 | * - NHWC |
Teresa Charlin | 6268742 | 2021-04-28 10:58:49 +0100 | [diff] [blame] | 50 | * |
| 51 | * Valid data type configurations: |
| 52 | * |src |dst | |
| 53 | * |:--------------|:--------------| |
| 54 | * |All |All | |
| 55 | * |
Manuel Bottini | 8481d83 | 2019-12-10 15:28:40 +0000 | [diff] [blame] | 56 | * @param[in] input Input tensor. Data types supported: All. |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 57 | * @param[out] output Output tensor. Data type supported: Same as @p input |
| 58 | * @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. |
| 59 | */ |
| 60 | void configure(const ICLTensor *input, ICLTensor *output, unsigned int num_groups); |
Manuel Bottini | 2b84be5 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 61 | /** Initialize the function |
| 62 | * |
| 63 | * @param[in] compile_context The compile context to be used. |
| 64 | * @param[in] input Input tensor. Data types supported: All. |
| 65 | * @param[out] output Output tensor. Data type supported: Same as @p input |
| 66 | * @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. |
| 67 | */ |
Felix Thomasmathibalan | afd38f0 | 2023-09-27 17:46:17 +0100 | [diff] [blame] | 68 | void configure(const CLCompileContext &compile_context, |
| 69 | const ICLTensor *input, |
| 70 | ICLTensor *output, |
| 71 | unsigned int num_groups); |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 72 | /** Static function to check if given info will lead to a valid configuration of @ref CLChannelShuffleLayerKernel |
| 73 | * |
Manuel Bottini | 8481d83 | 2019-12-10 15:28:40 +0000 | [diff] [blame] | 74 | * @param[in] input Input tensor info. Data types supported: All. |
Michele Di Giorgio | 5daeffd | 2018-11-26 10:01:15 +0000 | [diff] [blame] | 75 | * @param[in] output Output tensor info. Data type supported: Same as @p input |
| 76 | * @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. |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 77 | * |
| 78 | * @return a status |
| 79 | */ |
| 80 | static Status validate(const ITensorInfo *input, const ITensorInfo *output, unsigned int num_groups); |
| 81 | }; |
| 82 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 83 | #endif /* ARM_COMPUTE_CLCHANNELSHUFFLELAYER_H */ |