From dea2d2d58fe3a742e6f66fe50befbe0044e15ad1 Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Wed, 19 Dec 2018 16:23:17 +0000 Subject: COMPMID-1772: Implement PadV2 for NEON Change-Id: Ia4604524a034c46b004fd850183480c5fbfd8cb3 Reviewed-on: https://review.mlplatform.org/437 Tested-by: Arm Jenkins Reviewed-by: Michalis Spyrou --- src/core/NEON/kernels/NEMemsetKernel.cpp | 82 ++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/core/NEON/kernels/NEMemsetKernel.cpp (limited to 'src/core/NEON/kernels/NEMemsetKernel.cpp') diff --git a/src/core/NEON/kernels/NEMemsetKernel.cpp b/src/core/NEON/kernels/NEMemsetKernel.cpp new file mode 100644 index 0000000000..2b57b1595b --- /dev/null +++ b/src/core/NEON/kernels/NEMemsetKernel.cpp @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2018-2019 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/NEON/kernels/NEMemsetKernel.h" + +#include "arm_compute/core/AccessWindowStatic.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +namespace arm_compute +{ +NEMemsetKernel::NEMemsetKernel() + : _tensor(nullptr), _constant_value() +{ +} + +void NEMemsetKernel::configure(ITensor *tensor, const PixelValue &constant_value) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(tensor); + _tensor = tensor; + _constant_value = constant_value; + + // Configure kernel window + Window win = calculate_max_window(*tensor->info(), Steps()); + INEKernel::configure(win); +} + +void NEMemsetKernel::run(const Window &window, const ThreadInfo &info) +{ + ARM_COMPUTE_UNUSED(info); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); + + // Collapse all the batches on the third dimension + bool has_collapsed = true; + Window collapsed = window.collapse_if_possible(window, Window::DimZ, &has_collapsed); + ARM_COMPUTE_ERROR_ON(!has_collapsed); + + uint8_t *const start_valid_region = _tensor->ptr_to_element(_tensor->info()->valid_region().anchor); + const auto window_width = static_cast(collapsed.x().end()) - static_cast(collapsed.x().start()); + const size_t element_size = _tensor->info()->element_size(); + + // Unroll X dimension + collapsed.set(Window::DimX, Window::Dimension(0, 1, 1)); + + Iterator tensor_it(_tensor, collapsed); + execute_window_loop(collapsed, [&](const Coordinates & id) + { + uint8_t *base_addr = start_valid_region + tensor_it.offset(); + // Set memory + for(int i = 0; i < window_width; ++i) + { + std::memcpy(base_addr + i * element_size, &_constant_value.value, element_size); + } + + }, + tensor_it); +} +} // namespace arm_compute -- cgit v1.2.1