Compute Library
 22.05
impl.cpp
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30 
31 namespace arm_compute
32 {
33 namespace cpu
34 {
35 template <typename T>
36 void in_bounds_crop_window(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
37  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
38 {
39  // Reverse elements if width flipped.
40  if(is_width_flipped)
41  {
42  // Collapse first dimension if possible.
43  if(input_has_single_channel)
44  {
45  int32_t x = output_width_start;
46  Coordinates negative_offset(input_offset);
47  negative_offset.set(1, negative_offset[1] - window_step_x + 1);
48  for(; x <= output_width_limit - window_step_x; x += window_step_x, negative_offset[1] -= window_step_x)
49  {
50  auto in = load_as_f32(reinterpret_cast<T *>(input->ptr_to_element(negative_offset)));
51 
52  in = wrapper::vrev64(in);
54 
55  wrapper::vstore(output_ptr + x, in);
56  }
57  input_offset[1] = negative_offset[1] + window_step_x - 1;
58  for(; x < output_width_limit; ++x, --input_offset[1])
59  {
60  *(output_ptr + x) = static_cast<float>(*reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
61  }
62  }
63  else
64  {
65  for(int32_t x = output_width_start; x < output_width_limit; ++x, --input_offset[1])
66  {
67  input_offset.set(0, 0);
68  int32_t c = 0;
69  for(; c <= static_cast<int32_t>(input->info()->dimension(0)) - window_step_x; c += window_step_x, input_offset[0] += window_step_x)
70  {
71  auto in = load_as_f32(reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
72  wrapper::vstore(output_ptr + x * output->info()->dimension(0) + c, in);
73  }
74  for(; c < static_cast<int32_t>(input->info()->dimension(0)); ++c, ++input_offset[0])
75  {
76  *(output_ptr + x * output->info()->dimension(0) + c) = static_cast<float>(*reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
77  }
78  }
79  }
80  }
81  else
82  {
83  // Use memcpy if the elements don't need converting to float.
84  if(std::is_same<T, float>::value)
85  {
86  memcpy(static_cast<void *>(output_ptr + output_width_start * output->info()->dimension(0)),
87  reinterpret_cast<const void *>(input->ptr_to_element(input_offset)),
88  (output_width_limit - output_width_start) * output->info()->dimension(0) * output->info()->element_size());
89  }
90  else
91  {
92  int32_t x = 0;
93  int32_t limit = (output_width_limit - output_width_start) * static_cast<int32_t>(output->info()->dimension(0));
94  float *output_start_ptr = output_ptr + output_width_start * output->info()->dimension(0);
95  for(; x <= limit - window_step_x; x += window_step_x, input_offset[0] += window_step_x)
96  {
97  auto in = load_as_f32(reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
98  wrapper::vstore(output_start_ptr + x, in);
99  }
100  for(; x < limit; ++x, ++input_offset[0])
101  {
102  *(output_start_ptr + x) = static_cast<float>(*reinterpret_cast<T *>(input->ptr_to_element(input_offset)));
103  }
104  }
105  }
106 }
107 
108 #if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS)
109 template void in_bounds_crop_window<float16_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
110  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
111 #endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */
112 template void in_bounds_crop_window<float32_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
113  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
114 template void in_bounds_crop_window<uint8_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
115  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
116 template void in_bounds_crop_window<uint16_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
117  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
118 template void in_bounds_crop_window<uint32_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
119  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
120 template void in_bounds_crop_window<int8_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
121  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
122 template void in_bounds_crop_window<int16_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
123  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
124 template void in_bounds_crop_window<int32_t>(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset,
125  int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped);
126 }
127 } // namespace arm_compute
void set(size_t dimension, T value, bool increase_dim_unit=true)
Accessor to set the value of one of the dimensions.
Definition: Dimensions.h:76
uint8_t * ptr_to_element(const Coordinates &id) const
Return a pointer to the element at the passed coordinates.
Definition: ITensor.h:63
virtual size_t dimension(size_t index) const =0
Return the size of the requested dimension.
template void in_bounds_crop_window< int32_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
template void in_bounds_crop_window< int16_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
template void in_bounds_crop_window< uint32_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
Interface for CPU tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2022 Arm Limited.
template void in_bounds_crop_window< float32_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
void in_bounds_crop_window(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
Definition: impl.cpp:36
Coordinates of an item.
Definition: Coordinates.h:37
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
uint8x8_t vgetlow(const uint8x16_t val)
Definition: getlow.h:39
virtual size_t element_size() const =0
Element size in bytes calculated as data_size() * num_channels()
uint8x16_t vcombine(const uint8x8_t &a, const uint8x8_t &b)
Definition: combine.h:39
float32x4_t load_as_f32(T *ptr)
Definition: crop_helper.h:34
template void in_bounds_crop_window< int8_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
uint8x8_t vgethigh(const uint8x16_t val)
Definition: gethigh.h:39
uint8x8_t vrev64(const uint8x8_t &a)
Definition: rev64.h:39
void vstore(uint8_t *ptr, uint8x8_t val)
Definition: store.h:39
Includes all wrapper headers at once.
template void in_bounds_crop_window< uint16_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)
template void in_bounds_crop_window< uint8_t >(const ITensor *input, const ITensor *output, float *output_ptr, Coordinates input_offset, int32_t window_step_x, int32_t output_width_start, int32_t output_width_limit, bool input_has_single_channel, bool is_width_flipped)