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Diffstat (limited to 'compute/ARMComputeEx/src/core/CPP/kernels/CPPUpsampleKernelEx.cpp')
| -rw-r--r-- | compute/ARMComputeEx/src/core/CPP/kernels/CPPUpsampleKernelEx.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/compute/ARMComputeEx/src/core/CPP/kernels/CPPUpsampleKernelEx.cpp b/compute/ARMComputeEx/src/core/CPP/kernels/CPPUpsampleKernelEx.cpp new file mode 100644 index 000000000..8ac667ceb --- /dev/null +++ b/compute/ARMComputeEx/src/core/CPP/kernels/CPPUpsampleKernelEx.cpp @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved + * Copyright (c) 2017-2019 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/CPP/kernels/CPPUpsampleKernelEx.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_compute/core/utils/misc/ShapeCalculator.h" + +#include <cstddef> +#include <cstdint> + +namespace arm_compute +{ +CPPUpsampleKernelEx::CPPUpsampleKernelEx() : _input(nullptr), _output(nullptr), _info() {} + +bool CPPUpsampleKernelEx::is_parallelisable() const { return false; } + +void CPPUpsampleKernelEx::configure(const ITensor *input, ITensor *output, + const PadStrideInfo &info) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + + _input = input; + _output = output; + _info = info; + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps()); + + // The CPPUpsampleKernelEx 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())); + + ICPPKernel::configure(win); +} + +void CPPUpsampleKernelEx::run(const Window &window, const ThreadInfo &info) +{ + ARM_COMPUTE_UNUSED(info); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICPPKernel::window(), window); + + // Initialize _scaled_output buffer + const int width_scaled = _output->info()->dimension(0); + const int height_scaled = _output->info()->dimension(1); + const int stride_x = _info.stride().first; + const int stride_y = _info.stride().second; + const int start_x = _info.pad_left(); + const int start_y = _info.pad_top(); + const int end_y = height_scaled - _info.pad_bottom(); + const int end_x = width_scaled - _info.pad_top(); + const size_t element_size = _input->info()->element_size(); + + // The fill value is normally 0, but for QASYMM8 the '0' corresponds to the offset + const uint8_t fill_value = + _output->info()->data_type() == DataType::QASYMM8 + ? utility::clamp<uint8_t>(_output->info()->quantization_info().offset) + : 0; + // Filling a value different than 0 works only for QASYMM8 datatype since we are filling 1byte + // values in a buffer of uint8_ts + std::fill_n(_output->buffer(), _output->info()->total_size(), fill_value); + + // Create window + Window window_out(window); + window_out.set(Window::DimX, Window::Dimension(start_x, end_x, stride_x)); + window_out.set(Window::DimY, Window::Dimension(start_y, end_y, stride_y)); + + // Create iterators + Iterator in(_input, window); + Iterator out(_output, window_out); + + execute_window_loop( + window, [&](const Coordinates &) { memcpy(out.ptr(), in.ptr(), element_size); }, in, out); +} +} // namespace arm_compute |