Compute Library
 21.11
NEBitwiseXorKernel.cpp
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25 
28 #include "arm_compute/core/Types.h"
32 
33 #include <arm_neon.h>
34 #include <cstdint>
35 
36 using namespace arm_compute;
37 
38 namespace arm_compute
39 {
40 class Coordinates;
41 } // namespace arm_compute
42 
43 namespace
44 {
45 inline void bitwise_xor_U8_U8_U8(const uint8_t *__restrict input1, const uint8_t *__restrict input2, uint8_t *__restrict output)
46 {
47  const uint8x16_t val1 = vld1q_u8(input1);
48  const uint8x16_t val2 = vld1q_u8(input2);
49 
50  vst1q_u8(output, veorq_u8(val1, val2));
51 }
52 } // namespace
53 
55  : _input1(nullptr), _input2(nullptr), _output(nullptr)
56 {
57 }
58 
59 void NEBitwiseXorKernel::configure(const ITensor *input1, const ITensor *input2, ITensor *output)
60 {
61  ARM_COMPUTE_ERROR_ON_NULLPTR(input1, input2, output);
62 
63  set_shape_if_empty(*output->info(), input1->info()->tensor_shape());
64 
68 
69  ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input1, input2, output);
73  ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input1, input2, output);
74 
75  _input1 = input1;
76  _input2 = input2;
77  _output = output;
78 
79  constexpr unsigned int num_elems_processed_per_iteration = 16;
80 
81  Window win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration));
83 
85  AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration), output_access);
86 
88 }
89 
91 {
92  ARM_COMPUTE_UNUSED(info);
95  Iterator input1(_input1, window);
96  Iterator input2(_input2, window);
97  Iterator output(_output, window);
98 
99  execute_window_loop(window, [&](const Coordinates &)
100  {
101  bitwise_xor_U8_U8_U8(input1.ptr(), input2.ptr(), output.ptr());
102  },
103  input1, input2, output);
104 }
bool set_format_if_unknown(ITensorInfo &info, Format format)
Set the format, data type and number of channels to the specified value if the current data type is u...
Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size)
const Window & window() const
The maximum window the kernel can be executed on.
Definition: IKernel.cpp:28
1 channel, 1 U8 per channel
NEBitwiseXorKernel()
Default constructor.
Interface for CPU tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2021 Arm Limited.
bool update_window_and_padding(Window &win, Ts &&... patterns)
Update window and padding size for each of the access patterns.
Definition: WindowHelpers.h:46
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
virtual const TensorShape & tensor_shape() const =0
Size for each dimension of the tensor.
#define ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(...)
Definition: Validate.h:539
Class to describe a number of elements in each dimension.
Definition: Steps.h:40
Coordinates of an item.
Definition: Coordinates.h:37
Implementation of a row access pattern.
#define ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(...)
Definition: Validate.h:437
unsigned int num_elems_processed_per_iteration
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
bool set_shape_if_empty(ITensorInfo &info, const TensorShape &shape)
Set the shape to the specified value if the current assignment is empty.
constexpr uint8_t * ptr() const
Return a pointer to the current pixel.
Definition: Helpers.inl:139
#define ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(k)
Definition: Validate.h:915
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:786
void run(const Window &window, const ThreadInfo &info) override
Execute the kernel on the passed window.
ScaleKernelInfo info(interpolation_policy, default_border_mode, PixelValue(), sampling_policy, false)
Information about executing thread and CPU.
Definition: CPPTypes.h:158
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:157
void execute_window_loop(const Window &w, L &&lambda_function, Ts &&... iterators)
Iterate through the passed window, automatically adjusting the iterators and calling the lambda_funct...
Definition: Helpers.inl:77
im2col_func configure(src_target.info(), dst_target.info(), spatial_kernel, conv_info, has_bias)
Iterator updated by execute_window_loop for each window element.
Definition: Helpers.h:46
Describe a multidimensional execution window.
Definition: Window.h:39
void configure(const ITensor *input1, const ITensor *input2, ITensor *output)
Initialise the kernel&#39;s input and output.
#define ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(f, s)
Definition: Validate.h:201