| // Copyright 2020 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 <math.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <xnnpack.h> |
| #include <xnnpack/log.h> |
| #include <xnnpack/params.h> |
| #include <xnnpack/subgraph.h> |
| |
| |
| enum xnn_status xnn_define_convolution_2d( |
| xnn_subgraph_t subgraph, |
| uint32_t input_padding_top, |
| uint32_t input_padding_right, |
| uint32_t input_padding_bottom, |
| uint32_t input_padding_left, |
| uint32_t kernel_height, |
| uint32_t kernel_width, |
| uint32_t subsampling_height, |
| uint32_t subsampling_width, |
| uint32_t dilation_height, |
| uint32_t dilation_width, |
| uint32_t groups, |
| size_t group_input_channels, |
| size_t group_output_channels, |
| float output_min, |
| float output_max, |
| uint32_t input_id, |
| uint32_t filter_id, |
| uint32_t bias_id, |
| uint32_t output_id, |
| uint32_t flags) |
| { |
| if ((xnn_params.init_flags & XNN_INIT_FLAG_XNNPACK) == 0) { |
| xnn_log_error("failed to define %s operator: XNNPACK is not initialized", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d)); |
| return xnn_status_uninitialized; |
| } |
| |
| if (kernel_width == 0 || kernel_height == 0) { |
| xnn_log_error( |
| "failed to define %s operator with %" PRIu32 "x%" PRIu32 " kernel: kernel dimensions must be non-zero", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), kernel_width, kernel_height); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (subsampling_width == 0 || subsampling_height == 0) { |
| xnn_log_error( |
| "failed to define %s operator with %" PRIu32 "x%" PRIu32 " subsampling: subsampling dimensions must be non-zero", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), subsampling_width, subsampling_height); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (dilation_width == 0 || dilation_height == 0) { |
| xnn_log_error( |
| "failed to define %s operator with %" PRIu32 "x%" PRIu32 " dilation: dilation dimensions must be non-zero", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), dilation_width, dilation_height); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (groups == 0) { |
| xnn_log_error( |
| "failed to define %s operator with %" PRIu32 " groups: number of groups must be non-zero", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), groups); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (group_input_channels == 0) { |
| xnn_log_error( |
| "failed to define %s operator with %zu input channels per group: number of channels must be non-zero", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), group_input_channels); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (group_output_channels == 0) { |
| xnn_log_error( |
| "failed to define %s operator with %zu output channels per group: number of channels must be non-zero", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), group_output_channels); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (isnan(output_min)) { |
| xnn_log_error( |
| "failed to define %s operator with NaN output lower bound: lower bound must be non-NaN", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d)); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (isnan(output_max)) { |
| xnn_log_error( |
| "failed to define %s operator with NaN output upper bound: upper bound must be non-NaN", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d)); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (output_min >= output_max) { |
| xnn_log_error( |
| "failed to define %s operator with [%.7g, %.7g] output range: lower bound must be below upper bound", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), output_min, output_max); |
| return xnn_status_invalid_parameter; |
| } |
| |
| const uint32_t supported_flags = XNN_FLAG_TENSORFLOW_SAME_PADDING; |
| const uint32_t invalid_flags = flags & ~supported_flags; |
| if (invalid_flags != 0) { |
| xnn_log_error( |
| "failed to define %s operator with 0x%08" PRIx32 " flags: invalid flags 0x%08" PRIx32, |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), flags, invalid_flags); |
| return xnn_status_invalid_parameter; |
| } |
| |
| const bool any_padding = (input_padding_left | input_padding_top | input_padding_right | input_padding_bottom) != 0; |
| if ((flags & XNN_FLAG_TENSORFLOW_SAME_PADDING) != 0 && any_padding) { |
| xnn_log_error( |
| "failed to define %s operator with %" PRIu32 "+%" PRIu32 "x%" PRIu32 "+%" PRIu32" padding: " |
| "TensorFlow SAME padding can't be combined with explicit padding specification", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), |
| input_padding_top, input_padding_left, input_padding_bottom, input_padding_right); |
| return xnn_status_invalid_parameter; |
| } |
| |
| // Convert TensorFlow SAME padding to explicit padding specification whenever possible |
| if ((flags & XNN_FLAG_TENSORFLOW_SAME_PADDING) != 0 && (subsampling_height | subsampling_width) == 1) { |
| flags &= ~XNN_FLAG_TENSORFLOW_SAME_PADDING; |
| const uint32_t padding_height = (kernel_height - 1) * dilation_height; |
| const uint32_t padding_width = (kernel_width - 1) * dilation_width; |
| input_padding_left = padding_width / 2; |
| input_padding_top = padding_height / 2; |
| input_padding_right = padding_width - input_padding_left; |
| input_padding_bottom = padding_height - input_padding_top; |
| } |
| |
| if (input_id >= subgraph->num_values) { |
| xnn_log_error( |
| "failed to define %s operator with input ID #%" PRIu32 ": invalid Value ID", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), input_id); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (filter_id >= subgraph->num_values) { |
| xnn_log_error( |
| "failed to define %s operator with filter ID #%" PRIu32 ": invalid Value ID", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), filter_id); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (bias_id >= subgraph->num_values) { |
| xnn_log_error( |
| "failed to define %s operator with bias ID #%" PRIu32 ": invalid Value ID", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), bias_id); |
| return xnn_status_invalid_parameter; |
| } |
| |
| if (output_id >= subgraph->num_values) { |
| xnn_log_error( |
| "failed to define %s operator with output ID #%" PRIu32 ": invalid Value ID", |
| xnn_node_type_to_string(xnn_node_type_convolution_2d), output_id); |
| return xnn_status_invalid_parameter; |
| } |
| |
| struct xnn_node* node = xnn_subgraph_new_node(subgraph); |
| if (node == NULL) { |
| return xnn_status_out_of_memory; |
| } |
| |
| node->type = xnn_node_type_convolution_2d; |
| node->params.convolution_2d.input_padding_top = input_padding_top; |
| node->params.convolution_2d.input_padding_right = input_padding_right; |
| node->params.convolution_2d.input_padding_bottom = input_padding_bottom; |
| node->params.convolution_2d.input_padding_left = input_padding_left; |
| node->params.convolution_2d.kernel_height = kernel_height; |
| node->params.convolution_2d.kernel_width = kernel_width; |
| node->params.convolution_2d.subsampling_height = subsampling_height; |
| node->params.convolution_2d.subsampling_width = subsampling_width; |
| node->params.convolution_2d.dilation_height = dilation_height; |
| node->params.convolution_2d.dilation_width = dilation_width; |
| node->params.convolution_2d.groups = groups; |
| node->params.convolution_2d.group_input_channels = group_input_channels; |
| node->params.convolution_2d.group_output_channels = group_output_channels; |
| node->activation.output_min = output_min; |
| node->activation.output_max = output_max; |
| node->num_inputs = 3; |
| node->inputs[0] = input_id; |
| node->inputs[1] = filter_id; |
| node->inputs[2] = bias_id; |
| node->num_outputs = 1; |
| node->outputs[0] = output_id; |
| node->flags = flags; |
| |
| return xnn_status_success; |
| }; |