XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Copyright (c) Facebook, Inc. and its affiliates. |
| 2 | // All rights reserved. |
| 3 | // |
| 4 | // Copyright 2019 Google LLC |
| 5 | // |
| 6 | // This source code is licensed under the BSD-style license found in the |
| 7 | // LICENSE file in the root directory of this source tree. |
| 8 | |
| 9 | #include <assert.h> |
| 10 | #include <math.h> |
| 11 | #include <stddef.h> |
| 12 | #include <stdint.h> |
| 13 | #include <stdlib.h> |
| 14 | |
| 15 | #include <xnnpack.h> |
| 16 | #include <xnnpack/allocator.h> |
| 17 | #include <xnnpack/operator.h> |
| 18 | #include <xnnpack/log.h> |
| 19 | #include <xnnpack/params.h> |
| 20 | |
| 21 | |
| 22 | static enum xnn_status create_channel_shuffle_nc( |
| 23 | size_t groups, |
| 24 | size_t group_channels, |
| 25 | size_t input_stride, |
| 26 | size_t output_stride, |
| 27 | uint32_t flags, |
| 28 | enum xnn_operator_type operator_type, |
| 29 | xnn_operator_t* channel_shuffle_op_out) |
| 30 | { |
| 31 | xnn_operator_t channel_shuffle_op = NULL; |
| 32 | enum xnn_status status = xnn_status_uninitialized; |
| 33 | |
| 34 | if (!xnn_params.initialized) { |
| 35 | xnn_log_error("failed to create Channel Shuffle operator: XNNPACK is not initialized"); |
| 36 | goto error; |
| 37 | } |
| 38 | |
| 39 | status = xnn_status_invalid_parameter; |
| 40 | |
| 41 | if (groups <= 1) { |
| 42 | xnn_log_error( |
| 43 | "failed to create Channel Shuffle operator with %zu groups: at least two groups required", groups); |
| 44 | goto error; |
| 45 | } |
| 46 | |
| 47 | if (group_channels == 0) { |
| 48 | xnn_log_error( |
| 49 | "failed to create Channel Shuffle operator with %zu group channels: number of group channels must be non-zero", |
| 50 | group_channels); |
| 51 | goto error; |
| 52 | } |
| 53 | |
| 54 | const size_t channels = groups * group_channels; |
| 55 | if (input_stride < channels) { |
| 56 | xnn_log_error( |
| 57 | "failed to create Channel Shuffle operator with input element stride of %zu: " |
| 58 | "stride must be at least as large as the number of channels (%zux%zu)", |
| 59 | input_stride, groups, group_channels); |
| 60 | goto error; |
| 61 | } |
| 62 | |
| 63 | if (output_stride < channels) { |
| 64 | xnn_log_error( |
| 65 | "failed to create Channel Shuffle operator with output element stride of %zu: " |
| 66 | "stride must be at least as large as the number of channels (%zux%zu)", |
| 67 | output_stride, groups, group_channels); |
| 68 | goto error; |
| 69 | } |
| 70 | |
| 71 | status = xnn_status_out_of_memory; |
| 72 | |
Marat Dukhan | 04f03be | 2019-11-19 12:36:47 -0800 | [diff] [blame] | 73 | channel_shuffle_op = xnn_allocate_zero_simd_memory(sizeof(struct xnn_operator)); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 74 | if (channel_shuffle_op == NULL) { |
| 75 | xnn_log_error("failed to allocate %zu bytes for Channel Shuffle operator descriptor", sizeof(struct xnn_operator)); |
| 76 | goto error; |
| 77 | } |
| 78 | |
| 79 | channel_shuffle_op->groups = groups; |
| 80 | channel_shuffle_op->group_channels = group_channels; |
| 81 | channel_shuffle_op->input_pixel_stride = input_stride; |
| 82 | channel_shuffle_op->output_pixel_stride = output_stride; |
| 83 | |
| 84 | channel_shuffle_op->type = operator_type; |
| 85 | channel_shuffle_op->ukernel.type = xnn_ukernel_type_channel_shuffle; |
| 86 | |
| 87 | channel_shuffle_op->state = xnn_run_state_invalid; |
| 88 | |
| 89 | *channel_shuffle_op_out = channel_shuffle_op; |
| 90 | return xnn_status_success; |
| 91 | |
| 92 | error: |
| 93 | xnn_delete_operator(channel_shuffle_op); |
| 94 | return status; |
| 95 | } |
| 96 | |
| 97 | |
| 98 | enum xnn_status xnn_create_channel_shuffle_nc_x8( |
| 99 | size_t groups, |
| 100 | size_t group_channels, |
| 101 | size_t input_stride, |
| 102 | size_t output_stride, |
| 103 | uint32_t flags, |
| 104 | xnn_operator_t* channel_shuffle_op_out) |
| 105 | { |
| 106 | return create_channel_shuffle_nc( |
| 107 | groups, |
| 108 | group_channels, |
| 109 | input_stride, |
| 110 | output_stride, |
| 111 | flags, |
Marat Dukhan | efc47b8 | 2019-11-18 09:25:38 -0800 | [diff] [blame] | 112 | xnn_operator_type_channel_shuffle_nc_x8, |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 113 | channel_shuffle_op_out); |
| 114 | } |
| 115 | |
| 116 | enum xnn_status xnn_create_channel_shuffle_nc_x32( |
| 117 | size_t groups, |
| 118 | size_t group_channels, |
| 119 | size_t input_stride, |
| 120 | size_t output_stride, |
| 121 | uint32_t flags, |
| 122 | xnn_operator_t* channel_shuffle_op_out) |
| 123 | { |
| 124 | return create_channel_shuffle_nc( |
| 125 | groups, |
| 126 | group_channels, |
| 127 | input_stride, |
| 128 | output_stride, |
| 129 | flags, |
Marat Dukhan | efc47b8 | 2019-11-18 09:25:38 -0800 | [diff] [blame] | 130 | xnn_operator_type_channel_shuffle_nc_x32, |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 131 | channel_shuffle_op_out); |
| 132 | } |
| 133 | |
| 134 | static enum xnn_status setup_channel_shuffle_nc( |
| 135 | xnn_operator_t channel_shuffle_op, |
| 136 | size_t batch_size, |
| 137 | const void* input, |
| 138 | void* output, |
| 139 | uint32_t log2_element_size, |
| 140 | const struct zip_parameters zip[restrict static 1]) |
| 141 | { |
| 142 | channel_shuffle_op->state = xnn_run_state_invalid; |
| 143 | |
| 144 | if (!xnn_params.initialized) { |
| 145 | xnn_log_error("failed to setup Channel Shuffle operator: XNNPACK is not initialized"); |
| 146 | return xnn_status_uninitialized; |
| 147 | } |
| 148 | |
| 149 | if (batch_size == 0) { |
| 150 | channel_shuffle_op->state = xnn_run_state_skip; |
| 151 | return xnn_status_success; |
| 152 | } |
| 153 | |
| 154 | channel_shuffle_op->batch_size = batch_size; |
| 155 | channel_shuffle_op->input = input; |
| 156 | channel_shuffle_op->output = output; |
| 157 | |
| 158 | const size_t groups = channel_shuffle_op->groups; |
| 159 | channel_shuffle_op->context.channel_shuffle = (struct channel_shuffle_context) { |
| 160 | .x = input, |
| 161 | .x_stride = channel_shuffle_op->input_pixel_stride << log2_element_size, |
| 162 | .y = output, |
| 163 | .y_stride = channel_shuffle_op->output_pixel_stride << log2_element_size, |
| 164 | .n = channel_shuffle_op->group_channels << log2_element_size, |
| 165 | .m = groups, |
| 166 | }; |
| 167 | channel_shuffle_op->compute.type = xnn_parallelization_type_1d; |
| 168 | channel_shuffle_op->compute.range[0] = batch_size; |
| 169 | switch (groups) { |
| 170 | case 2: |
| 171 | channel_shuffle_op->compute.task_1d = (pthreadpool_task_1d_t) xnn_compute_channel_shuffle_fixed; |
| 172 | channel_shuffle_op->context.channel_shuffle.fixed_ukernel = zip->x2; |
| 173 | break; |
| 174 | case 3: |
| 175 | channel_shuffle_op->compute.task_1d = (pthreadpool_task_1d_t) xnn_compute_channel_shuffle_fixed; |
| 176 | channel_shuffle_op->context.channel_shuffle.fixed_ukernel = zip->x3; |
| 177 | break; |
| 178 | case 4: |
| 179 | channel_shuffle_op->compute.task_1d = (pthreadpool_task_1d_t) xnn_compute_channel_shuffle_fixed; |
| 180 | channel_shuffle_op->context.channel_shuffle.fixed_ukernel = zip->x4; |
| 181 | break; |
| 182 | default: |
| 183 | channel_shuffle_op->compute.task_1d = (pthreadpool_task_1d_t) xnn_compute_channel_shuffle_variable; |
| 184 | channel_shuffle_op->context.channel_shuffle.variable_ukernel = zip->xm; |
| 185 | break; |
| 186 | case 0: |
| 187 | case 1: |
| 188 | XNN_UNREACHABLE; |
| 189 | } |
| 190 | channel_shuffle_op->state = xnn_run_state_ready; |
| 191 | |
| 192 | return xnn_status_success; |
| 193 | } |
| 194 | |
| 195 | enum xnn_status xnn_setup_channel_shuffle_nc_x8( |
| 196 | xnn_operator_t channel_shuffle_op, |
| 197 | size_t batch_size, |
| 198 | const void* input, |
| 199 | void* output, |
| 200 | pthreadpool_t threadpool) |
| 201 | { |
Marat Dukhan | efc47b8 | 2019-11-18 09:25:38 -0800 | [diff] [blame] | 202 | if (channel_shuffle_op->type != xnn_operator_type_channel_shuffle_nc_x8) { |
| 203 | xnn_log_error("failed to setup Channel Shuffle (NC, X8) operator: operator type mismatch"); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 204 | return xnn_status_invalid_parameter; |
| 205 | } |
| 206 | |
| 207 | return setup_channel_shuffle_nc( |
| 208 | channel_shuffle_op, |
| 209 | batch_size, |
| 210 | input, |
| 211 | output, |
| 212 | 0 /* log2(sizeof(element)) = log2(sizeof(uint8_t)) */, |
| 213 | &xnn_params.x8.zip); |
| 214 | } |
| 215 | |
| 216 | enum xnn_status xnn_setup_channel_shuffle_nc_x32( |
| 217 | xnn_operator_t channel_shuffle_op, |
| 218 | size_t batch_size, |
| 219 | const void* input, |
| 220 | void* output, |
| 221 | pthreadpool_t threadpool) |
| 222 | { |
Marat Dukhan | efc47b8 | 2019-11-18 09:25:38 -0800 | [diff] [blame] | 223 | if (channel_shuffle_op->type != xnn_operator_type_channel_shuffle_nc_x32) { |
| 224 | xnn_log_error("failed to setup Channel Shuffle (NC, X32) operator: operator type mismatch"); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 225 | return xnn_status_invalid_parameter; |
| 226 | } |
| 227 | |
| 228 | return setup_channel_shuffle_nc( |
| 229 | channel_shuffle_op, |
| 230 | batch_size, |
| 231 | input, |
| 232 | output, |
| 233 | 2 /* log2(sizeof(element)) = log2(sizeof(uint32_t)) */, |
| 234 | &xnn_params.x32.zip); |
| 235 | } |