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/*
* Copyright (c) 2018-2021 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 "src/core/gpu/cl/kernels/ClCopyKernel.h"
#include "arm_compute/core/CL/CLHelpers.h"
#include "arm_compute/core/CL/CLKernelLibrary.h"
#include "arm_compute/core/CL/ICLTensor.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Utils.h"
#include "arm_compute/core/Validate.h"
#include "src/core/CL/CLValidate.h"
#include "src/core/helpers/AutoConfiguration.h"
#include "src/core/helpers/WindowHelpers.h"
#include "support/Cast.h"
#include "support/StringSupport.h"
namespace arm_compute
{
namespace opencl
{
namespace kernels
{
namespace
{
Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, Window *dst_window = nullptr)
{
ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst);
// Validate dst if initialized
if(dst->total_size() != 0)
{
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst);
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst);
if(dst_window == nullptr)
{
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(src->tensor_shape(), dst->tensor_shape());
}
else
{
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(src->tensor_shape(), dst_window->shape());
}
}
return Status{};
}
} // namespace
void ClCopyKernel::configure(const CLCompileContext &compile_context, const ITensorInfo *src, ITensorInfo *dst, Window *dst_window)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, dst_window));
auto padding_info = get_padding_info({ src, dst });
// Create kernel
CLBuildOptions build_opts;
build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(src->data_type()));
// Output auto inizialitation if not yet initialized
auto_init_if_empty(*dst, *src);
// Configure window
const unsigned int vec_size_x = adjust_vec_size(16 / src->element_size(), src->dimension(0));
const Window win_config = calculate_max_window(*src, Steps(vec_size_x));
if(dst_window != nullptr)
{
_has_dst_window = true;
_dst_window = Window(*dst_window);
const int width_x = dst_window->num_iterations(0);
const int vec_size_x_leftover = width_x % vec_size_x;
const bool multi_access_x = width_x >= static_cast<int32_t>(vec_size_x);
if(multi_access_x)
{
_dst_window.set(Window::DimX, Window::Dimension(dst_window->x().start(), ceil_to_multiple(dst_window->x().end(), vec_size_x), vec_size_x));
}
build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(vec_size_x_leftover));
}
else
{
const int width_x = src->tensor_shape().x();
const int vec_size_x_leftover = width_x % vec_size_x;
build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(vec_size_x_leftover));
}
build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(vec_size_x));
// Build kernel
_kernel = create_kernel(compile_context, "copy_tensor", build_opts.options());
// Validate and set the window
ICLKernel::configure_internal(win_config);
ARM_COMPUTE_ERROR_ON(has_padding_changed(padding_info));
}
Status ClCopyKernel::validate(const arm_compute::ITensorInfo *src, const arm_compute::ITensorInfo *dst, Window *dst_window)
{
ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, dst_window));
return Status{};
}
void ClCopyKernel::run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue)
{
ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window);
const auto src = utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC));
auto dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST));
Window slice;
if(_has_dst_window)
{
slice = window.first_slice_window_3D();
Window out_slice = _dst_window.first_slice_window_3D();
do
{
unsigned int idx = 0;
add_3D_tensor_argument(idx, src, slice);
add_3D_tensor_argument(idx, dst, out_slice);
enqueue(queue, *this, slice, lws_hint());
}
while(window.slide_window_slice_3D(slice) && _dst_window.slide_window_slice_3D(out_slice));
}
else
{
Window collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ);
slice = collapsed.first_slice_window_3D();
do
{
unsigned int idx = 0;
add_3D_tensor_argument(idx, src, slice);
add_3D_tensor_argument(idx, dst, slice);
enqueue(queue, *this, slice, lws_hint());
}
while(collapsed.slide_window_slice_3D(slice));
}
}
} // namespace kernels
} // namespace opencl
} // namespace arm_compute
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