Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 1 | /* |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2021 Arm Limited. |
Michele Di Giorgio | f6f7876 | 2020-07-06 11:27:21 +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 | */ |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 24 | #include "helpers.h" |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 25 | #include "tile_helpers.h" |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 26 | |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 27 | #if defined(DATA_TYPE) && defined(VEC_SIZE) && defined(NUM_GROUPS) && defined(K) && defined(SRC_DIM_Z) |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 28 | |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 29 | // Check valid VEC_SIZES |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 30 | #if VEC_SIZE != 1 && VEC_SIZE != 2 && VEC_SIZE != 3 && VEC_SIZE != 4 && VEC_SIZE != 8 && VEC_SIZE != 16 |
| 31 | #error "Only vector sizes 1, 2, 3, 4, 8 and 16 are supported" |
| 32 | #endif // VEC_SIZE != 1 && VEC_SIZE != 2 && VEC_SIZE != 3 && VEC_SIZE != 4 && VEC_SIZE != 8 && VEC_SIZE != 16 |
Michele Di Giorgio | 7217563 | 2018-05-01 16:52:00 +0100 | [diff] [blame] | 33 | |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 34 | #define DIV_MOD_UINT(x, y, div_res, mod_res) \ |
| 35 | ({ \ |
| 36 | div_res = (uint)((x) * (float)(1.0f / (float)(y))); \ |
| 37 | uint r = div_res * (y); \ |
| 38 | mod_res = (x)-r; \ |
| 39 | }) |
| 40 | |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 41 | #if defined(VEC_SIZE) && defined(VEC_SIZE_LEFTOVER) && defined(SRC_DIM_X) |
| 42 | |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 43 | /** Performs channel shuffle when the data layout is NHWC. See https://arxiv.org/pdf/1707.01083.pdf for details. |
| 44 | * |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 45 | * @note The vector size must be given as a preprocessor argument using -DVEC_SIZE=num. e.g. -DVEC_SIZE=4 |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 46 | * @note The third dimension of the tensor must be given as a preprocessor argument using -DSRC_DIM_Z=num. e.g. -DSRC_DIM_Z=64 |
| 47 | * @note The first dimension of the tensor must be given as a preprocessor argument using -DSRC_DIM_X=num. e.g. -DSRC_DIM_X=64 |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 48 | * @note The number of groups must be given as a preprocessor argument using -DNUM_GROUPS=num_groups. e.g. -DNUM_GROUPS=2 |
| 49 | * @note The number of channels in each group must be given as a preprocessor argument using -DK=num. e.g. -DK=1 |
| 50 | * K is equal to num_channels / num_groups. |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 51 | * @note The leftover size in the X dimension shoud be given as preprocessor argument using -DVEC_SIZE_LEFTOVER is; x_dimension % VEC_SIZE. e.g. -DVEC_SIZE_LEFTOVER=1 |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 52 | * |
Michele Di Giorgio | f6f7876 | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 53 | * @param[in] src_ptr Pointer to the source matrix. Supported data types: All |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 54 | * @param[in] src_stride_x Stride of the first source tensor in X dimension (in bytes) |
| 55 | * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| 56 | * @param[in] src_stride_y Stride of the first source tensor in Y dimension (in bytes) |
| 57 | * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| 58 | * @param[in] src_stride_z Stride of the first source tensor in Z dimension (in bytes) |
| 59 | * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| 60 | * @param[in] src_stride_w Stride of the first source tensor in Z dimension (in bytes) |
| 61 | * @param[in] src_step_w src_stride_z * number of elements along Z processed per workitem(in bytes) |
| 62 | * @param[in] src_offset_first_element_in_bytes The offset of the first element in the first source tensor |
| 63 | * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| 64 | * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| 65 | * @param[in] dst_step_x output_stride_x * number of elements along X processed per workitem(in bytes) |
| 66 | * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| 67 | * @param[in] dst_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) |
| 68 | * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| 69 | * @param[in] dst_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) |
| 70 | * @param[in] dst_stride_w Stride of the destination tensor in Z dimension (in bytes) |
| 71 | * @param[in] dst_step_w output_stride_z * number of elements along Z processed per workitem(in bytes) |
| 72 | * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| 73 | */ |
| 74 | __kernel void channel_shuffle_nhwc(TENSOR4D_DECLARATION(src), |
| 75 | TENSOR4D_DECLARATION(dst)) |
| 76 | { |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 77 | // Offset computation |
| 78 | const uint curr_out_channel = GET_SPATIAL_IDX(0, VEC_SIZE, VEC_SIZE_LEFTOVER); // output feature map |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 79 | |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 80 | uint z = 0; |
| 81 | uint batch_id = 0; |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 82 | // Compute curr_channel and batch_id |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 83 | DIV_MOD_UINT(get_global_id(2), (uint)SRC_DIM_Z, batch_id, z); |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 84 | |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 85 | VEC_DATA_TYPE(uint, VEC_SIZE) |
| 86 | curr_out_channels = (VEC_DATA_TYPE(uint, VEC_SIZE))(curr_out_channel) + VEC_OFFS(uint, VEC_SIZE); |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 87 | |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 88 | VEC_DATA_TYPE(uint, VEC_SIZE) |
| 89 | in_channels = (curr_out_channels * (VEC_DATA_TYPE(uint, VEC_SIZE))(K)) % (VEC_DATA_TYPE(uint, VEC_SIZE))(SRC_DIM_X) + (curr_out_channels / (VEC_DATA_TYPE(uint, VEC_SIZE))(NUM_GROUPS)); |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 90 | |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 91 | // Load the values |
| 92 | const __global DATA_TYPE *input_ptr = (const __global DATA_TYPE *)(src_ptr + src_offset_first_element_in_bytes + get_global_id(1) * src_stride_y + z * src_stride_z + batch_id * src_stride_w); |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 93 | |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 94 | #if VEC_SIZE == 1 |
| 95 | DATA_TYPE out0 = *((const __global * DATA_TYPE)(input_ptr) + in_channels); |
| 96 | #elif VEC_SIZE == 2 |
| 97 | VEC_DATA_TYPE(DATA_TYPE, 2) |
| 98 | out0 = |
| 99 | { |
| 100 | *(input_ptr + in_channels.s0), |
| 101 | *(input_ptr + in_channels.s1) |
| 102 | }; |
| 103 | #elif VEC_SIZE == 3 |
| 104 | VEC_DATA_TYPE(DATA_TYPE, 3) |
| 105 | out0 = |
| 106 | { |
| 107 | *(input_ptr + in_channels.s0), |
| 108 | *(input_ptr + in_channels.s1), |
| 109 | *(input_ptr + in_channels.s2) |
| 110 | }; |
| 111 | #elif VEC_SIZE == 4 |
| 112 | VEC_DATA_TYPE(DATA_TYPE, 4) |
| 113 | out0 = |
| 114 | { |
| 115 | *(input_ptr + in_channels.s0), |
| 116 | *(input_ptr + in_channels.s1), |
| 117 | *(input_ptr + in_channels.s2), |
| 118 | *(input_ptr + in_channels.s3) |
| 119 | }; |
| 120 | #elif VEC_SIZE == 8 |
| 121 | VEC_DATA_TYPE(DATA_TYPE, 8) |
| 122 | out0 = |
| 123 | { |
| 124 | *(input_ptr + in_channels.s0), |
| 125 | *(input_ptr + in_channels.s1), |
| 126 | *(input_ptr + in_channels.s2), |
| 127 | *(input_ptr + in_channels.s3), |
| 128 | *(input_ptr + in_channels.s4), |
| 129 | *(input_ptr + in_channels.s5), |
| 130 | *(input_ptr + in_channels.s6), |
| 131 | *(input_ptr + in_channels.s7) |
| 132 | }; |
| 133 | #elif VEC_SIZE == 16 |
Manuel Bottini | b7b6066 | 2021-05-19 10:29:03 +0100 | [diff] [blame] | 134 | VEC_DATA_TYPE(DATA_TYPE, 16) |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 135 | out0 = |
| 136 | { |
| 137 | *(input_ptr + in_channels.s0), |
| 138 | *(input_ptr + in_channels.s1), |
| 139 | *(input_ptr + in_channels.s2), |
| 140 | *(input_ptr + in_channels.s3), |
| 141 | *(input_ptr + in_channels.s4), |
| 142 | *(input_ptr + in_channels.s5), |
| 143 | *(input_ptr + in_channels.s6), |
| 144 | *(input_ptr + in_channels.s7), |
| 145 | *(input_ptr + in_channels.s8), |
| 146 | *(input_ptr + in_channels.s9), |
| 147 | *(input_ptr + in_channels.sa), |
| 148 | *(input_ptr + in_channels.sb), |
| 149 | *(input_ptr + in_channels.sc), |
| 150 | *(input_ptr + in_channels.sd), |
| 151 | *(input_ptr + in_channels.se), |
| 152 | *(input_ptr + in_channels.sf) |
| 153 | }; |
| 154 | #endif // VEC_SIZE == 1 |
| 155 | |
| 156 | __global uchar *output_ptr = dst_ptr + curr_out_channel * sizeof(DATA_TYPE) + dst_offset_first_element_in_bytes + get_global_id(1) * dst_stride_y + z * dst_stride_z + batch_id * dst_stride_w; |
| 157 | STORE_VECTOR_SELECT(out, DATA_TYPE, output_ptr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0); |
Gian Marco Iodice | 8bab0ee | 2018-09-13 11:51:56 +0100 | [diff] [blame] | 158 | } |
Manuel Bottini | e57e11d | 2021-05-11 17:36:14 +0100 | [diff] [blame] | 159 | #endif // defined(VEC_SIZE) && defined(VEC_SIZE_LEFTOVER) && defined(SRC_DIM_X) |
Adnan AlSinan | 7075fe2 | 2021-07-05 13:12:52 +0100 | [diff] [blame] | 160 | #endif // defined(DATA_TYPE) && defined(VEC_SIZE) && defined(NUM_GROUPS) && defined(K) && defined(SRC_DIM_Z) |