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author | Georgios Pinitas <georgios.pinitas@arm.com> | 2017-08-02 13:44:33 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 14:16:42 +0100 |
commit | d8e765ba79772ecc3deda89ae3adab903c744296 (patch) | |
tree | 08b11fb4ebb27c3a59ee1f2a5ffcf9665f5a6200 /src/core/NEON | |
parent | cfc6fe8bffceb9acc5234985f6da73361abd56d7 (diff) | |
download | ComputeLibrary-d8e765ba79772ecc3deda89ae3adab903c744296.tar.gz |
COMPMID-472 : Implement Floor for CL and NEON.
Change-Id: I675a4545b1fe9ab665a07c834720bfe7ff589cee
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/82527
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'src/core/NEON')
-rw-r--r-- | src/core/NEON/kernels/NEFloorKernel.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEFloorKernel.cpp b/src/core/NEON/kernels/NEFloorKernel.cpp new file mode 100644 index 0000000000..1dc376f738 --- /dev/null +++ b/src/core/NEON/kernels/NEFloorKernel.cpp @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2017 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/NEFloorKernel.h" + +#include "arm_compute/core/Coordinates.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IAccessWindow.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/NEON/NEMath.h" +#include "arm_compute/core/Validate.h" + +#include <arm_neon.h> + +using namespace arm_compute; + +void NEFloorKernel::configure(const ITensor *input, ITensor *output) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + + set_shape_if_empty(*output->info(), input->info()->tensor_shape()); + + set_data_type_if_unknown(*input->info(), DataType::F32); + set_data_type_if_unknown(*output->info(), DataType::F32); + + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32); + ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); + ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); + + _input = input; + _output = output; + + constexpr unsigned int num_elems_processed_per_iteration = 4; + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); + AccessWindowHorizontal input_access(input->info(), 0, num_elems_processed_per_iteration); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); + + update_window_and_padding(win, input_access, output_access); + output_access.set_valid_region(win, input->info()->valid_region()); + + INEKernel::configure(win); +} + +void NEFloorKernel::run(const Window &window) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); + + Iterator input(_input, window); + Iterator output(_output, window); + + execute_window_loop(window, [&](const Coordinates & id) + { + const float32x4_t res = vfloorq_f32(vld1q_f32(reinterpret_cast<const float *>(input.ptr()))); + vst1q_f32(reinterpret_cast<float *>(output.ptr()), res); + }, + input, output); +} |