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/*
* Copyright (c) 2017 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/core/NEON/kernels/NECol2ImKernel.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/ITensor.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/core/Validate.h"
#include <arm_neon.h>
#include <cstddef>
#include <cstdint>
using namespace arm_compute;
template <typename T>
void NECol2ImKernel::run_col2im(const Window &window)
{
const int output_stride_x = _output->info()->strides_in_bytes().x();
const int output_stride_y = _output->info()->strides_in_bytes().y();
const int output_stride_z = _output->info()->strides_in_bytes().z();
Window window_out(window);
window_out.set(Window::DimX, Window::Dimension(0, 0, 0));
window_out.set(Window::DimY, Window::Dimension(0, 0, 0));
window_out.set(Window::DimZ, Window::Dimension(0, 0, 0));
// Create iterators
Iterator in(_input, window);
Iterator out(_output, window_out);
execute_window_loop(window, [&](const Coordinates & id)
{
const int hidx = id.y();
const int idx = id.x() * output_stride_z + (hidx / _convolved_dims.first) * output_stride_y + (hidx % _convolved_dims.first) * output_stride_x;
*(reinterpret_cast<T *>(out.ptr() + idx)) = *(reinterpret_cast<const T *>(in.ptr()));
},
in, out);
}
NECol2ImKernel::NECol2ImKernel()
: _func(), _input(nullptr), _output(nullptr), _convolved_dims()
{
}
void NECol2ImKernel::configure(const ITensor *input, ITensor *output, std::pair<unsigned int, unsigned int> convolved_dims)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
set_data_type_if_unknown(*output->info(), input->info()->data_type());
TensorShape output_shape = input->info()->tensor_shape();
output_shape.set(0, convolved_dims.first);
output_shape.set(1, convolved_dims.second);
output_shape.set(2, input->info()->tensor_shape()[0]);
set_shape_if_empty(*output->info(), output_shape);
ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(output->info()->tensor_shape(), output_shape);
ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S8, DataType::QS8, DataType::U16, DataType::S16, DataType::U32, DataType::S32, DataType::F16, DataType::F32);
ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
_input = input;
_output = output;
_convolved_dims = convolved_dims;
switch(input->info()->element_size())
{
case 1:
_func = &NECol2ImKernel::run_col2im<uint8_t>;
break;
case 2:
_func = &NECol2ImKernel::run_col2im<uint16_t>;
break;
case 4:
_func = &NECol2ImKernel::run_col2im<uint32_t>;
break;
default:
ARM_COMPUTE_ERROR("Element size not supported");
break;
}
// Configure kernel window
Window win = calculate_max_window(*input->info(), Steps());
// The NECol2ImKernel doesn't need padding so update_window_and_padding() can be skipped
Coordinates coord;
coord.set_num_dimensions(output->info()->num_dimensions());
output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape()));
INEKernel::configure(win);
}
void NECol2ImKernel::run(const Window &window)
{
ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
(this->*_func)(window);
}
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