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Diffstat (limited to 'src/cpu/kernels/CpuCopyKernel.cpp')
| -rw-r--r-- | src/cpu/kernels/CpuCopyKernel.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/cpu/kernels/CpuCopyKernel.cpp b/src/cpu/kernels/CpuCopyKernel.cpp new file mode 100644 index 0000000000..1b693d7a3a --- /dev/null +++ b/src/cpu/kernels/CpuCopyKernel.cpp @@ -0,0 +1,175 @@ +/* + * 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/cpu/kernels/CpuCopyKernel.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/utils/misc/ShapeCalculator.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +#include "src/core/helpers/AutoConfiguration.h" +#include "src/core/helpers/WindowHelpers.h" + +namespace arm_compute +{ +namespace cpu +{ +namespace kernels +{ +namespace +{ +Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, const PaddingList &padding = PaddingList()) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON(src->data_type() == DataType::UNKNOWN); + ARM_COMPUTE_RETURN_ERROR_ON(padding.size() > 4); + + // Validate destination if initialized + if (dst->total_size() != 0) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS( + misc::shape_calculator::compute_padded_shape(src->tensor_shape(), padding), dst->tensor_shape()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst); + } + + return Status{}; +} + +std::pair<Status, Window> validate_and_configure_window(const ITensorInfo *src, ITensorInfo *dst) +{ + // Destination auto inizialitation if not yet initialized + auto_init_if_empty(*dst, *src); + return std::make_pair(Status{}, calculate_max_window(*dst)); +} + +std::pair<Status, Window> +validate_and_configure_window_with_padding(const ITensorInfo *src, ITensorInfo *dst, const PaddingList &padding) +{ + const TensorShape src_shape = src->tensor_shape(); + const TensorShape padded_shape = misc::shape_calculator::compute_padded_shape(src_shape, padding); + auto_init_if_empty(*dst, src->clone()->set_tensor_shape(padded_shape)); + // Configure window + const Window win = calculate_max_window(*dst, dst->dimension(0)); + return std::make_pair(Status{}, win); +} + +} // namespace + +void CpuCopyKernel::configure(const ITensorInfo *src, ITensorInfo *dst, const PaddingList &padding) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, padding)); + + _padding = padding; + + std::pair<Status, Window> win_config; + if (padding.empty()) + { + win_config = validate_and_configure_window(src, dst); + } + else + { + win_config = validate_and_configure_window_with_padding(src, dst, padding); + } + + ARM_COMPUTE_ERROR_THROW_ON(win_config.first); + ICpuKernel::configure(win_config.second); +} + +Status CpuCopyKernel::validate(const arm_compute::ITensorInfo *src, + const arm_compute::ITensorInfo *dst, + const PaddingList &padding) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, padding)); + + if (padding.empty()) + { + ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(src->clone().get(), dst->clone().get()).first); + } + else + { + ARM_COMPUTE_RETURN_ON_ERROR( + validate_and_configure_window_with_padding(src->clone().get(), dst->clone().get(), padding).first); + } + + return Status{}; +} + +void CpuCopyKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) +{ + ARM_COMPUTE_UNUSED(info); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICpuKernel::window(), window); + + const auto src = tensors.get_const_tensor(TensorType::ACL_SRC); + auto dst = tensors.get_tensor(TensorType::ACL_DST); + + if (_padding.empty()) + { + Window dst_window{window}; + dst_window.set(Window::DimX, + Window::Dimension(dst_window.x().start(), dst_window.x().end(), src->info()->dimension(0))); + Window out_slice = dst_window.first_slice_window_1D(); + do + { + Iterator src_it(src, out_slice); + Iterator dst_it(dst, out_slice); + + execute_window_loop( + out_slice, + [&](const Coordinates &) + { memcpy(dst_it.ptr(), src_it.ptr(), dst->info()->dimension(0) * dst->info()->element_size()); }, + src_it, dst_it); + } while (dst_window.slide_window_slice_1D(out_slice)); + } + else + { + Window src_window{window}; + src_window.set(Window::DimX, + Window::Dimension(0, window.x().end() - _padding[0].first, src->info()->dimension(0))); + + Iterator src_it(src, src_window); + Iterator dst_it(dst, window); + const size_t row_size_in_bytes = src->info()->dimension(0) * src->info()->element_size(); + execute_window_loop( + window, + [&](const Coordinates &) + { + auto dst_ptr = dst_it.ptr() + _padding[0].first * dst->info()->element_size(); + std::memcpy(dst_ptr, src_it.ptr(), row_size_in_bytes); + }, + src_it, dst_it); + } +} + +const char *CpuCopyKernel::name() const +{ + return "CpuCopyKernel"; +} +} // namespace kernels +} // namespace cpu +} // namespace arm_compute |