src/core/NEON/kernels/NEBitwiseAndKernel.cpp

   1 /*
   2  * Copyright (c) 2016, 2017 ARM Limited.
   3  *
   4  * SPDX-License-Identifier: MIT
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to
   8  * deal in the Software without restriction, including without limitation the
   9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  10  * sell copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in all
  14  * copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24 #include "arm_compute/core/NEON/kernels/NEBitwiseAndKernel.h"
  25
  26 #include "arm_compute/core/Helpers.h"
  27 #include "arm_compute/core/ITensor.h"
  28 #include "arm_compute/core/Types.h"
  29 #include "arm_compute/core/Validate.h"
  30
  31 #include <arm_neon.h>
  32 #include <cstdint>
  33
  34 using namespace arm_compute;
  35
  36 namespace arm_compute
  37 {
  38 class Coordinates;
  39 } // namespace arm_compute
  40
  41 namespace
  42 {
  43 inline void bitwise_and_U8_U8_U8(const uint8_t *__restrict input1, const uint8_t *__restrict input2, uint8_t *__restrict output)
  44 {
  45     const uint8x16_t val1 = vld1q_u8(input1);
  46     const uint8x16_t val2 = vld1q_u8(input2);
  47
  48     vst1q_u8(output, vandq_u8(val1, val2));
  49 }
  50 } // namespace
  51
  52 NEBitwiseAndKernel::NEBitwiseAndKernel()
  53     : _input1(nullptr), _input2(nullptr), _output(nullptr)
  54 {
  55 }
  56
  57 void NEBitwiseAndKernel::configure(const ITensor *input1, const ITensor *input2, ITensor *output)
  58 {
  59     ARM_COMPUTE_ERROR_ON_NULLPTR(input1, input2, output);
  60
  61     set_shape_if_empty(*output->info(), input1->info()->tensor_shape());
  62
  63     set_format_if_unknown(*output->info(), Format::U8);
  64     set_format_if_unknown(*input1->info(), Format::U8);
  65     set_format_if_unknown(*input2->info(), Format::U8);
  66
  67     ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input1, input2, output);
  68     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::U8);
  69     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input2, 1, DataType::U8);
  70     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
  71     ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input1, input2, output);
  72
  73     _input1 = input1;
  74     _input2 = input2;
  75     _output = output;
  76
  77     constexpr unsigned int num_elems_processed_per_iteration = 16;
  78
  79     // Configure kernel window
  80     Window                 win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration));
  81     AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
  82
  83     update_window_and_padding(win,
  84                               AccessWindowHorizontal(input1->info(), 0, num_elems_processed_per_iteration),
  85                               AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration),
  86                               output_access);
  87
  88     const ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(),
  89                                                              input2->info()->valid_region());
  90
  91     output_access.set_valid_region(win, valid_region);
  92
  93     INEKernel::configure(win);
  94 }
  95
  96 void NEBitwiseAndKernel::run(const Window &window)
  97 {
  98     ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
  99     ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
 100     Iterator input1(_input1, window);
 101     Iterator input2(_input2, window);
 102     Iterator output(_output, window);
 103
 104     execute_window_loop(window, [&](const Coordinates & id)
 105     {
 106         bitwise_and_U8_U8_U8(input1.ptr(), input2.ptr(), output.ptr());
 107     },
 108     input1, input2, output);
 109 }