chromium/third_party/xnnpack/src/src/operators/max-pooling-nhwc.c

// Copyright (c) Facebook, Inc. and its affiliates.
// All rights reserved.
//
// 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 <inttypes.h>
#include <math.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>

#include <fp16/fp16.h>
#include "xnnpack.h"
#include "xnnpack/allocator.h"
#include "xnnpack/common.h"
#include "xnnpack/compute.h"
#include "xnnpack/config-types.h"
#include "xnnpack/config.h"
#include "xnnpack/indirection.h"
#include "xnnpack/log.h"
#include "xnnpack/math.h"
#include "xnnpack/microparams.h"
#include "xnnpack/operator-type.h"
#include "xnnpack/operator-utils.h"
#include "xnnpack/operator.h"
#include "xnnpack/params.h"
#include "pthreadpool.h"

static inline size_t compute_output_dimension_with_tf_same_padding(
    size_t input_dimension,
    size_t stride_dimension)
{ … }

static enum xnn_status create_max_pooling2d_nhwc(
    uint32_t input_padding_top,
    uint32_t input_padding_right,
    uint32_t input_padding_bottom,
    uint32_t input_padding_left,
    uint32_t pooling_height,
    uint32_t pooling_width,
    uint32_t stride_height,
    uint32_t stride_width,
    uint32_t dilation_height,
    uint32_t dilation_width,
    uint32_t flags,
    const void* params,
    size_t params_size,
    const struct xnn_maxpool_config* maxpool_config,
    enum xnn_operator_type operator_type,
    xnn_operator_t* max_pooling_op_out)
{ … }

enum xnn_status xnn_create_max_pooling2d_nhwc_s8(
    uint32_t input_padding_top,
    uint32_t input_padding_right,
    uint32_t input_padding_bottom,
    uint32_t input_padding_left,
    uint32_t pooling_height,
    uint32_t pooling_width,
    uint32_t stride_height,
    uint32_t stride_width,
    uint32_t dilation_height,
    uint32_t dilation_width,
    int8_t output_min,
    int8_t output_max,
    uint32_t flags,
    xnn_operator_t* max_pooling_op_out)
{ … }

enum xnn_status xnn_create_max_pooling2d_nhwc_u8(
    uint32_t input_padding_top,
    uint32_t input_padding_right,
    uint32_t input_padding_bottom,
    uint32_t input_padding_left,
    uint32_t pooling_height,
    uint32_t pooling_width,
    uint32_t stride_height,
    uint32_t stride_width,
    uint32_t dilation_height,
    uint32_t dilation_width,
    uint8_t output_min,
    uint8_t output_max,
    uint32_t flags,
    xnn_operator_t* max_pooling_op_out)
{ … }

enum xnn_status xnn_create_max_pooling2d_nhwc_f32(
    uint32_t input_padding_top,
    uint32_t input_padding_right,
    uint32_t input_padding_bottom,
    uint32_t input_padding_left,
    uint32_t pooling_height,
    uint32_t pooling_width,
    uint32_t stride_height,
    uint32_t stride_width,
    uint32_t dilation_height,
    uint32_t dilation_width,
    float output_min,
    float output_max,
    uint32_t flags,
    xnn_operator_t* max_pooling_op_out)
{ … }

enum xnn_status xnn_create_max_pooling2d_nhwc_f16(
    uint32_t input_padding_top,
    uint32_t input_padding_right,
    uint32_t input_padding_bottom,
    uint32_t input_padding_left,
    uint32_t pooling_height,
    uint32_t pooling_width,
    uint32_t stride_height,
    uint32_t stride_width,
    uint32_t dilation_height,
    uint32_t dilation_width,
    float output_min,
    float output_max,
    uint32_t flags,
    xnn_operator_t* max_pooling_op_out)
{ … }

static enum xnn_status reshape_max_pooling2d_nhwc(
  xnn_operator_t max_pooling_op,
  enum xnn_operator_type expected_operator_type,
  size_t batch_size,
  size_t input_height,
  size_t input_width,
  size_t channels,
  size_t input_pixel_stride,
  size_t output_pixel_stride,
  uint32_t log2_input_element_size,
  uint32_t log2_output_element_size,
  const struct xnn_maxpool_config maxpool[restrict XNN_MIN_ELEMENTS(1)],
  const void* params,
  size_t params_size,
  size_t* output_height_out,
  size_t* output_width_out,
  pthreadpool_t threadpool)
{ … }

enum xnn_status xnn_reshape_max_pooling2d_nhwc_s8(
  xnn_operator_t max_pooling_op,
  size_t batch_size,
  size_t input_height,
  size_t input_width,
  size_t channels,
  size_t input_pixel_stride,
  size_t output_pixel_stride,
  size_t* output_height_out,
  size_t* output_width_out,
  pthreadpool_t threadpool)
{ … }

enum xnn_status xnn_reshape_max_pooling2d_nhwc_u8(
  xnn_operator_t max_pooling_op,
  size_t batch_size,
  size_t input_height,
  size_t input_width,
  size_t channels,
  size_t input_pixel_stride,
  size_t output_pixel_stride,
  size_t* output_height_out,
  size_t* output_width_out,
  pthreadpool_t threadpool)
{ … }

enum xnn_status xnn_reshape_max_pooling2d_nhwc_f16(
  xnn_operator_t max_pooling_op,
  size_t batch_size,
  size_t input_height,
  size_t input_width,
  size_t channels,
  size_t input_pixel_stride,
  size_t output_pixel_stride,
  size_t* output_height_out,
  size_t* output_width_out,
  pthreadpool_t threadpool)
{ … }

enum xnn_status xnn_reshape_max_pooling2d_nhwc_f32(
  xnn_operator_t max_pooling_op,
  size_t batch_size,
  size_t input_height,
  size_t input_width,
  size_t channels,
  size_t input_pixel_stride,
  size_t output_pixel_stride,
  size_t* output_height_out,
  size_t* output_width_out,
  pthreadpool_t threadpool)
{ … }

static enum xnn_status setup_max_pooling2d_nhwc(
  xnn_operator_t max_pooling_op,
  enum xnn_operator_type expected_operator_type,
  const void* input,
  void* output)
{ … }

enum xnn_status xnn_setup_max_pooling2d_nhwc_s8(
    xnn_operator_t max_pooling_op,
    const int8_t* input,
    int8_t* output)
{ … }

enum xnn_status xnn_setup_max_pooling2d_nhwc_u8(
    xnn_operator_t max_pooling_op,
    const uint8_t* input,
    uint8_t* output)
{ … }

enum xnn_status xnn_setup_max_pooling2d_nhwc_f16(
    xnn_operator_t max_pooling_op,
    const void* input,
    void* output)
{ … }

enum xnn_status xnn_setup_max_pooling2d_nhwc_f32(
    xnn_operator_t max_pooling_op,
    const float* input,
    float* output)
{ … }