From 00809e32eb2752c557d9d14dd75fb91cecbd5c6f Mon Sep 17 00:00:00 2001 From: Michalis Spyrou Date: Tue, 11 Sep 2018 11:19:27 +0100 Subject: COMPMID-1451 Move NEFlattenLayerKernel to the correct folder Change-Id: I88793688e4175d409a022db1c2b6db6783d7feeb Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/147682 Reviewed-by: Georgios Pinitas Tested-by: Jenkins --- src/core/NEON/kernels/NEFlattenLayerKernel.cpp | 137 +++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 src/core/NEON/kernels/NEFlattenLayerKernel.cpp (limited to 'src/core/NEON/kernels/NEFlattenLayerKernel.cpp') diff --git a/src/core/NEON/kernels/NEFlattenLayerKernel.cpp b/src/core/NEON/kernels/NEFlattenLayerKernel.cpp new file mode 100644 index 0000000000..b8452fb5fc --- /dev/null +++ b/src/core/NEON/kernels/NEFlattenLayerKernel.cpp @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2018 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/NEFlattenLayerKernel.h" + +#include "arm_compute/core/CPP/Validate.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 + +using namespace arm_compute; +using namespace misc::shape_calculator; + +namespace +{ +Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output) +{ + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S8, DataType::QASYMM8, + DataType::U16, DataType::S16, + DataType::U32, DataType::S32, + DataType::F16, DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(output); + + // Checks performed when output is configured + if(output->total_size() != 0) + { + const TensorInfo tensor_info_output = input->clone()->set_tensor_shape(compute_flatten_shape(input)); + + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(output, &tensor_info_output); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); + } + + return Status{}; +} + +std::pair validate_and_configure_window(ITensorInfo *input, ITensorInfo *output) +{ + // Output tensor auto initialization if not yet initialized + auto_init_if_empty(*output, input->clone()->set_tensor_shape(compute_flatten_shape(input))); + + Window win = calculate_max_window(*input, Steps()); // Flatten does not need paddings + + output->set_valid_region(ValidRegion(Coordinates(), output->tensor_shape())); + + return std::make_pair(Status{}, win); +} +} // namespace + +NEFlattenLayerKernel::NEFlattenLayerKernel() + : _input(nullptr), _output(nullptr) +{ +} + +void NEFlattenLayerKernel::configure(const ITensor *input, ITensor *output) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), output->info())); + + _input = input; + _output = output; + + // Configure kernel window + auto win_config = validate_and_configure_window(input->info(), output->info()); + ARM_COMPUTE_ERROR_THROW_ON(win_config.first); + INEKernel::configure(win_config.second); +} + +Status NEFlattenLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output)); + ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first); + return Status{}; +} + +void NEFlattenLayerKernel::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); + + const size_t in_width = _input->info()->dimension(0); + const size_t in_height = _input->info()->dimension(1); + const size_t out_step_x = in_width * _input->info()->element_size(); + const size_t out_step_y = out_step_x * in_height; + + Window in_window(window); + in_window.set(Window::DimX, Window::Dimension(0, 1, 1)); + + Window out_window; + out_window.use_tensor_dimensions(_output->info()->tensor_shape()); + out_window.set(Window::DimX, Window::Dimension(out_window.x().start(), out_window.x().end(), in_width)); + + Window in_slice = in_window.first_slice_window_3D(); + Window out_slice = out_window.first_slice_window_1D(); + + do + { + Iterator in(_input, in_slice); + Iterator out(_output, out_slice); + + uint8_t *out_ptr = out.ptr(); + + execute_window_loop(in_slice, [&](const Coordinates & id) + { + memcpy(out_ptr + id.y() * out_step_x + id.z() * out_step_y, in.ptr(), out_step_x); + }, + in); + } + while(in_window.slide_window_slice_3D(in_slice) && out_window.slide_window_slice_1D(out_slice)); +} -- cgit v1.2.1