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// 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 <assert.h>
#include <inttypes.h>
#include <stddef.h>
#include <stdint.h>
#include "include/xnnpack.h"
#include "src/xnnpack/common.h"
#include "src/xnnpack/internal.h"
#include "src/xnnpack/log.h"
#include "src/xnnpack/node-type.h"
#include "src/xnnpack/operator-type.h"
#include "src/xnnpack/operator.h"
#include "src/xnnpack/requantization.h"
#include "src/xnnpack/subgraph-validation.h"
#include "src/xnnpack/subgraph.h"
#include <pthreadpool.h>
static enum xnn_status create_depthwise_convolution_operator(
const struct xnn_node* node,
const struct xnn_runtime_value* values,
size_t num_values,
struct xnn_operator_data* opdata,
xnn_weights_cache_t weights_cache)
{
assert(node->num_inputs >= 2);
assert(node->num_inputs <= 3);
const uint32_t input_id = node->inputs[0];
assert(input_id != XNN_INVALID_VALUE_ID);
assert(input_id < num_values);
const uint32_t filter_id = node->inputs[1];
assert(filter_id != XNN_INVALID_VALUE_ID);
assert(filter_id < num_values);
assert(node->num_outputs == 1);
const uint32_t output_id = node->outputs[0];
assert(output_id != XNN_INVALID_VALUE_ID);
assert(output_id < num_values);
const void* filter_data = values[filter_id].fp32_data != NULL ? values[filter_id].fp32_data : values[filter_id].data;
assert(filter_data != NULL);
const void* bias_data = NULL;
uint32_t bias_id = XNN_INVALID_VALUE_ID;
if (node->num_inputs > 2) {
bias_id = node->inputs[2];
assert(bias_id != XNN_INVALID_VALUE_ID);
assert(bias_id < num_values);
bias_data = values[bias_id].fp32_data != NULL ? values[bias_id].fp32_data : values[bias_id].data;
assert(bias_data != NULL);
}
enum xnn_status status;
const enum xnn_datatype filter_datatype = values[filter_id].datatype;
const enum xnn_datatype output_datatype = values[output_id].datatype;
const enum xnn_datatype bias_datatype = bias_id != XNN_INVALID_VALUE_ID
? values[filter_id].datatype
: xnn_datatype_invalid;
if (values[output_id].flags & XNN_VALUE_FLAG_LAYOUT_NCHW) {
assert(values[input_id].flags & XNN_VALUE_FLAG_LAYOUT_NCHW);
switch (filter_datatype) {
case xnn_datatype_fp32:
status = xnn_create_convolution2d_nchw_f32(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels * node->params.depthwise_convolution_2d.depth_multiplier /* output_channel_stride */,
filter_data,
bias_data,
node->activation.output_min,
node->activation.output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION,
weights_cache,
&opdata->operator_objects[0]);
break;
case xnn_datatype_fp16:
switch (output_datatype) {
case xnn_datatype_fp32: {
uint32_t flags = node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION;
if (bias_datatype == xnn_datatype_fp32) {
flags |= XNN_FLAG_FP32_STATIC_BIASES;
}
status = xnn_create_convolution2d_nchw_f32_f16(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d
.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d
.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d
.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels *
node->params.depthwise_convolution_2d
.depth_multiplier /* output_channel_stride */,
filter_data, bias_data, node->activation.output_min,
node->activation.output_max, flags, weights_cache,
&opdata->operator_objects[0]);
break;
}
case xnn_datatype_fp16:
status = xnn_create_convolution2d_nchw_f16(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d
.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d
.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d
.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels *
node->params.depthwise_convolution_2d
.depth_multiplier /* output_channel_stride */,
filter_data, bias_data, node->activation.output_min,
node->activation.output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION,
weights_cache, &opdata->operator_objects[0]);
break;
default:
XNN_UNREACHABLE;
break;
}
break;
default:
XNN_UNREACHABLE;
}
} else {
assert((values[input_id].flags & XNN_VALUE_FLAG_LAYOUT_NCHW) == 0);
assert((values[output_id].flags & XNN_VALUE_FLAG_LAYOUT_NCHW) == 0);
switch (filter_datatype) {
case xnn_datatype_fp16:
switch (output_datatype) {
case xnn_datatype_fp32:
status = xnn_create_convolution2d_nhwc_f32_f16(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d
.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d
.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d
.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels *
node->params.depthwise_convolution_2d
.depth_multiplier /* output_channel_stride */,
filter_data, bias_data, node->activation.output_min,
node->activation.output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION, weights_cache,
&opdata->operator_objects[0]);
break;
case xnn_datatype_fp16:
status = xnn_create_convolution2d_nhwc_f16(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d
.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d
.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d
.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels *
node->params.depthwise_convolution_2d
.depth_multiplier /* output_channel_stride */,
filter_data, bias_data, node->activation.output_min,
node->activation.output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION, weights_cache,
&opdata->operator_objects[0]);
break;
default:
XNN_UNREACHABLE;
}
break;
case xnn_datatype_fp32:
switch (output_datatype) {
case xnn_datatype_fp32:
status = xnn_create_convolution2d_nhwc_f32(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels * node->params.depthwise_convolution_2d.depth_multiplier /* output_channel_stride */,
filter_data,
bias_data,
node->activation.output_min,
node->activation.output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION,
weights_cache,
&opdata->operator_objects[0]);
break;
case xnn_datatype_fp16:
status = xnn_create_convolution2d_nhwc_f16(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels * node->params.depthwise_convolution_2d.depth_multiplier /* output_channel_stride */,
filter_data,
bias_data,
node->activation.output_min,
node->activation.output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION | XNN_FLAG_FP32_STATIC_WEIGHTS,
weights_cache,
&opdata->operator_objects[0]);
break;
default:
XNN_UNREACHABLE;
}
break;
case xnn_datatype_qint8:
{
const float output_scale = values[output_id].quantization.scale;
const int32_t output_zero_point = values[output_id].quantization.zero_point;
const int8_t output_min = xnn_qs8_quantize(node->activation.output_min, output_scale, output_zero_point);
const int8_t output_max = xnn_qs8_quantize(node->activation.output_max, output_scale, output_zero_point);
status = xnn_create_convolution2d_nhwc_qs8(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels * node->params.depthwise_convolution_2d.depth_multiplier /* output_channel_stride */,
(int8_t) values[input_id].quantization.zero_point,
values[input_id].quantization.scale,
values[filter_id].quantization.scale,
filter_data,
bias_data,
(int8_t) output_zero_point,
output_scale, output_min, output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION,
weights_cache,
&opdata->operator_objects[0]);
break;
}
case xnn_datatype_qcint8:
{
const float output_scale = values[output_id].quantization.scale;
const int32_t output_zero_point = values[output_id].quantization.zero_point;
const int8_t output_min = xnn_qs8_quantize(node->activation.output_min, output_scale, output_zero_point);
const int8_t output_max = xnn_qs8_quantize(node->activation.output_max, output_scale, output_zero_point);
status = xnn_create_convolution2d_nhwc_qs8_qc8w(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels * node->params.depthwise_convolution_2d.depth_multiplier /* output_channel_stride */,
(int8_t) values[input_id].quantization.zero_point,
values[input_id].quantization.scale,
values[filter_id].quantization.channelwise_scale,
filter_data,
bias_data,
(int8_t) output_zero_point,
output_scale, output_min, output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION,
weights_cache,
&opdata->operator_objects[0]);
break;
}
case xnn_datatype_quint8:
{
const float output_scale = values[output_id].quantization.scale;
const int32_t output_zero_point = values[output_id].quantization.zero_point;
const uint8_t output_min = xnn_qu8_quantize(node->activation.output_min, output_scale, output_zero_point);
const uint8_t output_max = xnn_qu8_quantize(node->activation.output_max, output_scale, output_zero_point);
status = xnn_create_convolution2d_nhwc_qu8(
node->params.depthwise_convolution_2d.input_padding_top,
node->params.depthwise_convolution_2d.input_padding_right,
node->params.depthwise_convolution_2d.input_padding_bottom,
node->params.depthwise_convolution_2d.input_padding_left,
node->params.depthwise_convolution_2d.kernel_height,
node->params.depthwise_convolution_2d.kernel_width,
node->params.depthwise_convolution_2d.subsampling_height,
node->params.depthwise_convolution_2d.subsampling_width,
node->params.depthwise_convolution_2d.dilation_height,
node->params.depthwise_convolution_2d.dilation_width,
node->params.depthwise_convolution_2d.input_channels /* groups */,
1 /* group_input_channels */,
node->params.depthwise_convolution_2d.depth_multiplier /* group_output_channels */,
node->params.depthwise_convolution_2d.input_channels /* input_channel_stride */,
node->params.depthwise_convolution_2d.input_channels * node->params.depthwise_convolution_2d.depth_multiplier /* output_channel_stride */,
(uint8_t) values[input_id].quantization.zero_point,
values[input_id].quantization.scale,
(uint8_t) values[filter_id].quantization.zero_point,
values[filter_id].quantization.scale,
filter_data,
bias_data,
(uint8_t) output_zero_point,
output_scale, output_min, output_max,
node->flags | XNN_FLAG_DEPTHWISE_CONVOLUTION,
weights_cache,
&opdata->operator_objects[0]);
break;
}
default:
XNN_UNREACHABLE;
}
}
return status;
}
static enum xnn_status reshape_depthwise_convolution_operator(
struct xnn_operator_data* opdata,
struct xnn_runtime_value* values,
size_t num_values,
pthreadpool_t threadpool)
{
const uint32_t input_id = opdata->inputs[0];
assert(input_id < num_values);
const size_t batch_size = values[input_id].shape.dim[0];
const size_t input_height = values[input_id].shape.dim[1];
const size_t input_width = values[input_id].shape.dim[2];
enum xnn_status status = xnn_status_invalid_state;
const size_t old_workspace_size = opdata->workspace_size;
size_t output_height, output_width;
switch (opdata->operator_objects[0]->type) {
case xnn_operator_type_convolution_nchw_f16:
status = xnn_reshape_convolution2d_nchw_f16(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&output_height,
&output_width,
threadpool);
break;
case xnn_operator_type_convolution_nchw_f32:
status = xnn_reshape_convolution2d_nchw_f32(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&output_height,
&output_width,
threadpool);
break;
case xnn_operator_type_convolution_nhwc_f32:
status = xnn_reshape_convolution2d_nhwc_f32(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&opdata->workspace_size,
&output_height,
&output_width,
threadpool);
break;
case xnn_operator_type_convolution_nhwc_f16:
status = xnn_reshape_convolution2d_nhwc_f16(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&opdata->workspace_size,
&output_height,
&output_width,
threadpool);
break;
case xnn_operator_type_convolution_nhwc_qc8:
status = xnn_reshape_convolution2d_nhwc_qs8_qc8w(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&opdata->workspace_size,
&output_height,
&output_width,
threadpool);
break;
case xnn_operator_type_convolution_nhwc_qs8:
status = xnn_reshape_convolution2d_nhwc_qs8(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&opdata->workspace_size,
&output_height,
&output_width,
threadpool);
break;
case xnn_operator_type_convolution_nhwc_qu8:
status = xnn_reshape_convolution2d_nhwc_qu8(
opdata->operator_objects[0],
batch_size,
input_height,
input_width,
&opdata->workspace_size,
&output_height,
&output_width,
threadpool);
break;
default:
XNN_UNREACHABLE;
}
if (status != xnn_status_success) {
return status;
}
const uint32_t output_id = opdata->outputs[0];
assert(output_id < num_values);
struct xnn_runtime_value* output_value = values + output_id;
const size_t output_pixel_stride = opdata->operator_objects[0]->output_pixel_stride;
output_value->shape.dim[0] = batch_size;
output_value->shape.dim[1] = output_height;
output_value->shape.dim[2] = output_width;
output_value->shape.dim[3] = output_pixel_stride;
output_value->shape.num_dims = 4;
const size_t new_size = xnn_runtime_tensor_get_size(output_value);
if (new_size > output_value->size || opdata->workspace_size > old_workspace_size) {
output_value->size = new_size;
return xnn_status_reallocation_required;
}
return xnn_status_success;
}
static enum xnn_status setup_depthwise_convolution_operator(
const struct xnn_operator_data* opdata,
const struct xnn_runtime_value* values,
size_t num_values,
pthreadpool_t threadpool)
{
const uint32_t input_id = opdata->inputs[0];
assert(input_id != XNN_INVALID_VALUE_ID);
assert(input_id < num_values);
const uint32_t output_id = opdata->outputs[0];
assert(output_id != XNN_INVALID_VALUE_ID);
assert(output_id < num_values);
const struct xnn_runtime_value* input_value = values + input_id;
const void* input_data = input_value->data;
assert(input_data != NULL);
const struct xnn_runtime_value* output_value = values + output_id;
void* output_data = output_value->data;
assert(output_data != NULL);
switch (opdata->operator_objects[0]->type) {
case xnn_operator_type_convolution_nchw_f16:
return xnn_setup_convolution2d_nchw_f16(
opdata->operator_objects[0],
input_data,
output_data);
break;
case xnn_operator_type_convolution_nchw_f32:
return xnn_setup_convolution2d_nchw_f32(
opdata->operator_objects[0],
input_data,
output_data);
break;
case xnn_operator_type_convolution_nhwc_f32:
return xnn_setup_convolution2d_nhwc_f32(
opdata->operator_objects[0],
opdata->workspace,
input_data,
output_data);
break;
case xnn_operator_type_convolution_nhwc_f16:
return xnn_setup_convolution2d_nhwc_f16(
opdata->operator_objects[0],
opdata->workspace,
input_data,
output_data);
break;
case xnn_operator_type_convolution_nhwc_qc8:
return xnn_setup_convolution2d_nhwc_qs8_qc8w(
opdata->operator_objects[0],
opdata->workspace,
input_data,
output_data);
break;
case xnn_operator_type_convolution_nhwc_qs8:
return xnn_setup_convolution2d_nhwc_qs8(
opdata->operator_objects[0],
opdata->workspace,
input_data,
output_data);
break;
case xnn_operator_type_convolution_nhwc_qu8:
return xnn_setup_convolution2d_nhwc_qu8(
opdata->operator_objects[0],
opdata->workspace,
input_data,
output_data);
break;
default:
XNN_UNREACHABLE;
}
}
static inline bool validate_datatypes_with_bias(
enum xnn_datatype input_datatype,
enum xnn_datatype filter_datatype,
enum xnn_datatype bias_datatype,
enum xnn_datatype output_datatype)
{
switch (filter_datatype) {
case xnn_datatype_fp32:
if (input_datatype == xnn_datatype_fp32 &&
bias_datatype == xnn_datatype_fp32 &&
output_datatype == xnn_datatype_fp32)
{
return true;
} else if (input_datatype == xnn_datatype_fp16 &&
bias_datatype == xnn_datatype_fp32 &&
output_datatype == xnn_datatype_fp16) {
// Flag: XNN_FLAG_FP32_STATIC_WEIGHTS
return true;
}
break;
case xnn_datatype_fp16:
if (input_datatype == xnn_datatype_fp32 &&
bias_datatype == xnn_datatype_fp16 &&
output_datatype == xnn_datatype_fp32) {
return true;
}
break;
case xnn_datatype_qint8:
if (input_datatype == xnn_datatype_qint8 &&
bias_datatype == xnn_datatype_qint32 &&
output_datatype == xnn_datatype_qint8)
{
return true;
}
break;
case xnn_datatype_qcint8:
if (input_datatype == xnn_datatype_qint8 &&
bias_datatype == xnn_datatype_qcint32 &&
output_datatype == xnn_datatype_qint8)
{
return true;
}
break;
case xnn_datatype_quint8:
if (input_datatype == xnn_datatype_quint8 &&
bias_datatype == xnn_datatype_qint32 &&
output_datatype == xnn_datatype_quint8)
{
return true;
}
break;
default:
XNN_UNREACHABLE;
}
return false;
}
static inline bool validate_datatypes_without_bias(
enum xnn_datatype input_datatype,
enum xnn_datatype filter_datatype,
enum xnn_datatype output_datatype)
{
switch (filter_datatype) {
case xnn_datatype_fp32:
if (input_datatype == xnn_datatype_fp32 && output_datatype == xnn_datatype_fp32) {
return true;
} else if (input_datatype == xnn_datatype_fp16 && output_datatype == xnn_datatype_fp16) {
// Flag: XNN_FLAG_FP32_STATIC_WEIGHTS
return true;
}
break;
case xnn_datatype_fp16:
if (input_datatype == xnn_datatype_fp32 &&
output_datatype == xnn_datatype_fp32) {
return true;
}
break;
case xnn_datatype_qint8:
if (input_datatype == xnn_datatype_qint8 && output_datatype == xnn_datatype_qint8) {
return true;
}
break;
case xnn_datatype_qcint8:
if (input_datatype == xnn_datatype_qint8 && output_datatype == xnn_datatype_qint8) {
return true;
}
break;
case xnn_datatype_quint8:
if (input_datatype == xnn_datatype_quint8 && output_datatype == xnn_datatype_quint8) {
return true;
}
break;
default:
XNN_UNREACHABLE;
}
return false;
}
enum xnn_status xnn_define_depthwise_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 depth_multiplier,
size_t input_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)
{
enum xnn_status status;
if ((status = xnn_subgraph_check_xnnpack_initialized(xnn_node_type_depthwise_convolution_2d)) != xnn_status_success) {
return status;
}
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_depthwise_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_depthwise_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_depthwise_convolution_2d), dilation_width, dilation_height);
return xnn_status_invalid_parameter;
}
if (depth_multiplier == 0) {
xnn_log_error(
"failed to define %s operator with %" PRIu32 " depth multiplier: depth multiplier must be non-zero",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), depth_multiplier);
return xnn_status_invalid_parameter;
}
if (input_channels == 0) {
xnn_log_error(
"failed to define %s operator with %zu input channels: number of channels must be non-zero",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), input_channels);
return xnn_status_invalid_parameter;
}
status = xnn_subgraph_check_output_min_max(xnn_node_type_depthwise_convolution_2d, output_min, output_max);
if (status != xnn_status_success) {
return status;
}
const uint32_t supported_flags = XNN_FLAG_TENSORFLOW_SAME_PADDING | XNN_FLAG_TRANSIENT_INDIRECTION_BUFFER;
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_depthwise_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 ((status = xnn_subgraph_check_input_node_id(xnn_node_type_depthwise_convolution_2d, input_id, subgraph->num_values)) !=
xnn_status_success) {
return status;
}
const struct xnn_value* input_value = &subgraph->values[input_id];
status = xnn_subgraph_check_input_type_dense(xnn_node_type_depthwise_convolution_2d, input_id, input_value);
if (status != xnn_status_success) {
return status;
}
switch (input_value->datatype) {
case xnn_datatype_fp16:
case xnn_datatype_fp32:
case xnn_datatype_qint8:
case xnn_datatype_quint8:
break;
default:
xnn_log_error(
"failed to define %s operator with input ID #%" PRIu32 ": unsupported Value datatype %s (%d)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), input_id,
xnn_datatype_to_string(input_value->datatype), input_value->datatype);
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_depthwise_convolution_2d), filter_id);
return xnn_status_invalid_parameter;
}
const struct xnn_value* filter_value = &subgraph->values[filter_id];
if (filter_value->type != xnn_value_type_dense_tensor) {
xnn_log_error(
"failed to define %s operator with filter ID #%" PRIu32 ": unsupported Value type %d (expected dense tensor)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), filter_id, filter_value->type);
return xnn_status_invalid_parameter;
}
if (filter_value->data == NULL) {
xnn_log_error(
"failed to define %s operator with filter ID #%" PRIu32 ": non-static Value",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), filter_id);
return xnn_status_invalid_parameter;
}
switch (filter_value->datatype) {
case xnn_datatype_fp16:
case xnn_datatype_fp32:
break;
case xnn_datatype_qint8:
if (filter_value->quantization.zero_point != 0) {
xnn_log_error(
"failed to define %s operator with filter ID #%" PRIu32 ": unsupported quantization zero point %" PRId32 " for datatype %s",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), filter_id,
filter_value->quantization.zero_point, xnn_datatype_to_string(filter_value->datatype));
return xnn_status_invalid_parameter;
}
break;
case xnn_datatype_qcint8:
break;
case xnn_datatype_quint8:
break;
default:
xnn_log_error(
"failed to define %s operator with filter ID #%" PRIu32 ": unsupported Value datatype %s (%d)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), filter_id,
xnn_datatype_to_string(filter_value->datatype), filter_value->datatype);
return xnn_status_invalid_parameter;
}
const struct xnn_value* bias_value = NULL;
if (bias_id != XNN_INVALID_VALUE_ID) {
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_depthwise_convolution_2d), bias_id);
return xnn_status_invalid_parameter;
}
bias_value = &subgraph->values[bias_id];
if (bias_value->type != xnn_value_type_dense_tensor) {
xnn_log_error(
"failed to define %s operator with bias ID #%" PRIu32 ": unsupported Value type %d (expected dense tensor)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), bias_id, bias_value->type);
return xnn_status_invalid_parameter;
}
if (bias_value->data == NULL) {
xnn_log_error(
"failed to define %s operator with bias ID #%" PRIu32 ": non-static Value",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), bias_id);
return xnn_status_invalid_parameter;
}
switch (bias_value->datatype) {
case xnn_datatype_fp16:
case xnn_datatype_fp32:
case xnn_datatype_qint32:
case xnn_datatype_qcint32:
break;
default:
xnn_log_error(
"failed to define %s operator with bias ID #%" PRIu32 ": unsupported Value datatype %s (%d)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), bias_id,
xnn_datatype_to_string(bias_value->datatype), bias_value->datatype);
return xnn_status_invalid_parameter;
}
}
status = xnn_subgraph_check_output_node_id(xnn_node_type_depthwise_convolution_2d, output_id, subgraph->num_values);
if (status != xnn_status_success) {
return status;
}
const struct xnn_value* output_value = &subgraph->values[output_id];
status = xnn_subgraph_check_output_type_dense(xnn_node_type_depthwise_convolution_2d, output_id, output_value);
if (status != xnn_status_success) {
return status;
}
switch (output_value->datatype) {
case xnn_datatype_fp16:
case xnn_datatype_fp32:
case xnn_datatype_qint8:
case xnn_datatype_quint8:
break;
default:
xnn_log_error(
"failed to define %s operator with output ID #%" PRIu32 ": unsupported Value datatype %s (%d)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d), output_id,
xnn_datatype_to_string(output_value->datatype), output_value->datatype);
return xnn_status_invalid_parameter;
}
if (bias_value != NULL) {
if (!validate_datatypes_with_bias(
input_value->datatype, filter_value->datatype, bias_value->datatype, output_value->datatype)) {
xnn_log_error(
"failed to define %s operator with input ID #%" PRIu32
", filter ID #%" PRIu32 ", bias ID #%" PRIu32
", and output ID #%" PRIu32
": mismatching datatypes across input (%s), filter (%s), bias (%s), "
"and output (%s)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d),
input_id, filter_id, bias_id, output_id,
xnn_datatype_to_string(input_value->datatype),
xnn_datatype_to_string(filter_value->datatype),
xnn_datatype_to_string(bias_value->datatype),
xnn_datatype_to_string(output_value->datatype));
return xnn_status_invalid_parameter;
}
} else {
if (!validate_datatypes_without_bias(input_value->datatype, filter_value->datatype, output_value->datatype)) {
xnn_log_error(
"failed to define %s operator with input ID #%" PRIu32
", filter ID #%" PRIu32 ", and output ID #%" PRIu32
": mismatching datatypes across input (%s), filter (%s), and output "
"(%s)",
xnn_node_type_to_string(xnn_node_type_depthwise_convolution_2d),
input_id, filter_id, output_id,
xnn_datatype_to_string(input_value->datatype),
xnn_datatype_to_string(filter_value->datatype),
xnn_datatype_to_string(output_value->datatype));
return xnn_status_invalid_parameter;
}
}
if (filter_value->datatype == xnn_datatype_qcint8) {
if (filter_value->quantization.channel_dimension != filter_value->shape.num_dims - 1) {
xnn_log_error(
"failed to define %s operator with filter ID #%" PRIu32 ": invalid channel dimension %zu",
xnn_node_type_to_string(xnn_node_type_convolution_2d), input_id, filter_value->quantization.channel_dimension);
return xnn_status_invalid_parameter;
}
if (bias_value != NULL) {
assert(bias_value->datatype == xnn_datatype_qcint32);
if (bias_value->quantization.channel_dimension != 0) {
xnn_log_error(
"failed to define %s operator with bias ID #%" PRIu32 ": invalid channel dimension %zu",
xnn_node_type_to_string(xnn_node_type_convolution_2d), bias_id, bias_value->quantization.channel_dimension);
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_depthwise_convolution_2d;
node->params.depthwise_convolution_2d.input_padding_top = input_padding_top;
node->params.depthwise_convolution_2d.input_padding_right = input_padding_right;
node->params.depthwise_convolution_2d.input_padding_bottom = input_padding_bottom;
node->params.depthwise_convolution_2d.input_padding_left = input_padding_left;
node->params.depthwise_convolution_2d.kernel_height = kernel_height;
node->params.depthwise_convolution_2d.kernel_width = kernel_width;
node->params.depthwise_convolution_2d.subsampling_height = subsampling_height;
node->params.depthwise_convolution_2d.subsampling_width = subsampling_width;
node->params.depthwise_convolution_2d.dilation_height = dilation_height;
node->params.depthwise_convolution_2d.dilation_width = dilation_width;
node->params.depthwise_convolution_2d.depth_multiplier = depth_multiplier;
node->params.depthwise_convolution_2d.input_channels = input_channels;
node->activation.output_min = output_min;
node->activation.output_max = output_max;
node->num_inputs = 2 + (size_t) (bias_id != XNN_INVALID_VALUE_ID);
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;
node->create = create_depthwise_convolution_operator;
node->reshape = reshape_depthwise_convolution_operator;
node->setup = setup_depthwise_convolution_operator;
return xnn_status_success;
};