| // Copyright 2019 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| #include <math.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #include <xnnpack.h> |
| #include <xnnpack/allocator.h> |
| #include <xnnpack/log.h> |
| #include <xnnpack/operator.h> |
| #include <xnnpack/params-init.h> |
| #include <xnnpack/params.h> |
| |
| |
| enum xnn_status xnn_create_global_average_pooling_ncw_f32( |
| size_t channels, |
| float output_min, |
| float output_max, |
| uint32_t flags, |
| xnn_operator_t* global_average_pooling_op_out) |
| { |
| xnn_operator_t global_average_pooling_op = NULL; |
| enum xnn_status status = xnn_status_uninitialized; |
| |
| if ((xnn_params.init_flags & XNN_INIT_FLAG_XNNPACK) == 0) { |
| xnn_log_error("failed to create %s operator: XNNPACK is not initialized", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32)); |
| goto error; |
| } |
| |
| status = xnn_status_invalid_parameter; |
| |
| if (channels == 0) { |
| xnn_log_error( |
| "failed to create %s operator with %zu channels: number of channels must be non-zero", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32), channels); |
| goto error; |
| } |
| |
| if (isnan(output_min)) { |
| xnn_log_error( |
| "failed to create %s operator with NaN output lower bound: lower bound must be non-NaN", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32)); |
| goto error; |
| } |
| |
| if (isnan(output_max)) { |
| xnn_log_error( |
| "failed to create %s operator with NaN output upper bound: upper bound must be non-NaN", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32)); |
| goto error; |
| } |
| |
| if (output_min >= output_max) { |
| xnn_log_error( |
| "failed to create %s operator with [%.7g, %.7g] output range: lower bound must be below upper bound", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32), output_min, output_max); |
| goto error; |
| } |
| |
| status = xnn_status_unsupported_parameter; |
| if (xnn_params.f32.gavgpool_cw.ukernel == NULL) { |
| xnn_log_error( |
| "failed to create %s operator: only selected configurations parameters are supported", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32)); |
| goto error; |
| } |
| |
| status = xnn_status_out_of_memory; |
| |
| global_average_pooling_op = xnn_allocate_zero_simd_memory(sizeof(struct xnn_operator)); |
| if (global_average_pooling_op == NULL) { |
| xnn_log_error( |
| "failed to allocate %zu bytes for %s operator descriptor", |
| sizeof(struct xnn_operator), xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32)); |
| goto error; |
| } |
| |
| global_average_pooling_op->channels = channels; |
| global_average_pooling_op->params.f32_gavgpool = xnn_init_f32_gavgpool_params(nanf(""), output_min, output_max, 0); |
| |
| global_average_pooling_op->type = xnn_operator_type_global_average_pooling_ncw_f32; |
| global_average_pooling_op->ukernel.type = xnn_ukernel_type_global_average_pooling; |
| |
| global_average_pooling_op->state = xnn_run_state_invalid; |
| |
| *global_average_pooling_op_out = global_average_pooling_op; |
| return xnn_status_success; |
| |
| error: |
| xnn_delete_operator(global_average_pooling_op); |
| return status; |
| } |
| |
| enum xnn_status xnn_setup_global_average_pooling_ncw_f32( |
| xnn_operator_t global_average_pooling_op, |
| size_t batch_size, |
| size_t width, |
| const float* input, |
| float* output, |
| pthreadpool_t threadpool) |
| { |
| if (global_average_pooling_op->type != xnn_operator_type_global_average_pooling_ncw_f32) { |
| xnn_log_error("failed to setup operator: operator type mismatch (expected %s, got %s)", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32), |
| xnn_operator_type_to_string(global_average_pooling_op->type)); |
| return xnn_status_invalid_parameter; |
| } |
| global_average_pooling_op->state = xnn_run_state_invalid; |
| |
| if ((xnn_params.init_flags & XNN_INIT_FLAG_XNNPACK) == 0) { |
| xnn_log_error("failed to setup %s operator: XNNPACK is not initialized", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32)); |
| return xnn_status_uninitialized; |
| } |
| |
| if (width == 0) { |
| xnn_log_error( |
| "failed to setup %s operator with width %zu: width must be non-zero", |
| xnn_operator_type_to_string(xnn_operator_type_global_average_pooling_ncw_f32), width); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (batch_size == 0) { |
| global_average_pooling_op->state = xnn_run_state_skip; |
| return xnn_status_success; |
| } |
| |
| xnn_update_f32_gavgpool_params(&global_average_pooling_op->params.f32_gavgpool, |
| 1.0f / (float) width, width); |
| |
| global_average_pooling_op->context.global_average_pooling_ncw = (struct global_average_pooling_ncw_context) { |
| .input_elements = width * sizeof(float), |
| .input = input, |
| .input_channel_stride = width * sizeof(float), |
| .input_batch_stride = global_average_pooling_op->channels * width * sizeof(float), |
| .output = output, |
| .output_channel_stride = sizeof(float), |
| .output_batch_stride = global_average_pooling_op->channels * sizeof(float), |
| .ukernel = xnn_params.f32.gavgpool_cw.ukernel, |
| .params.f32 = global_average_pooling_op->params.f32_gavgpool, |
| }; |
| |
| global_average_pooling_op->compute.type = xnn_parallelization_type_2d_tile_1d; |
| global_average_pooling_op->compute.task_2d_tile_1d = |
| (pthreadpool_task_2d_tile_1d_t) xnn_compute_global_average_pooling_ncw; |
| global_average_pooling_op->compute.range[0] = batch_size; |
| global_average_pooling_op->compute.range[1] = global_average_pooling_op->channels; |
| global_average_pooling_op->compute.tile[0] = global_average_pooling_op->channels; //xnn_params.f32.gavgpool_cw.channel_tile; |
| |
| global_average_pooling_op->state = xnn_run_state_ready; |
| |
| return xnn_status_success; |
| } |