From 5b51229fad2fcf639051abb6eabfffe98eaadd06 Mon Sep 17 00:00:00 2001 From: Moritz Pflanzer Date: Wed, 21 Jun 2017 15:54:07 +0100 Subject: COMPMID-250: Add PaddingCalculator class Change-Id: I0e3771f82eaf6a578f19e2602d7dcf1cb6210a2b Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78426 Reviewed-by: SiCong Li Reviewed-by: Georgios Pinitas Tested-by: Kaizen --- tests/PaddingCalculator.h | 119 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 tests/PaddingCalculator.h (limited to 'tests/PaddingCalculator.h') diff --git a/tests/PaddingCalculator.h b/tests/PaddingCalculator.h new file mode 100644 index 0000000000..029312b73b --- /dev/null +++ b/tests/PaddingCalculator.h @@ -0,0 +1,119 @@ +/* + * 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. + */ +#ifndef __ARM_COMPUTE_TEST_PADDING_CALCULATOR_H__ +#define __ARM_COMPUTE_TEST_PADDING_CALCULATOR_H__ + +#include "arm_compute/core/Types.h" + +namespace arm_compute +{ +namespace test +{ +/** Calculate required padding. */ +class PaddingCalculator final +{ +public: + /** Construct calculator with size of tensor's dimension and step size. + * + * @param[in] size Number of elements available. + * @param[in] processed_elements Number of elements processed per iteration. + */ + PaddingCalculator(int size, int processed_elements) + : _size{ size }, _num_processed_elements{ processed_elements }, _num_accessed_elements{ processed_elements } + { + } + + /** Set border mode. + * + * @param[in] mode Border mode. + */ + void set_border_mode(BorderMode mode); + + /** Set border size. + * + * @param[in] size Border size in elements. + */ + void set_border_size(int size); + + /** Set offset of the access relative to the current position. + * + * @param[in] offset Offset of the access. + */ + void set_access_offset(int offset); + + /** Set number of accessed elements. + * + * @param[in] elements Number of accessed elements per iteration. + */ + void set_accessed_elements(int elements); + + /** Compute the required padding. + * + * @return Required padding in number of elements. + */ + int required_padding() const; + +private: + int _size; + int _num_processed_elements; + int _num_accessed_elements; + BorderMode _mode{ BorderMode::UNDEFINED }; + int _border_size{ 0 }; + int _offset{ 0 }; +}; + +inline void PaddingCalculator::set_border_mode(BorderMode mode) +{ + _mode = mode; +} + +inline void PaddingCalculator::set_border_size(int size) +{ + _border_size = size; +} + +inline void PaddingCalculator::set_access_offset(int offset) +{ + _offset = offset; +} + +inline void PaddingCalculator::set_accessed_elements(int elements) +{ + _num_accessed_elements = elements; +} + +inline int PaddingCalculator::required_padding() const +{ + if(_mode == BorderMode::UNDEFINED) + { + return (((_size - _border_size + _num_processed_elements - 1) / _num_processed_elements) - 1) * _num_processed_elements + _num_accessed_elements - _size + _border_size + _offset; + } + else + { + return (((_size + _num_processed_elements - 1) / _num_processed_elements) - 1) * _num_processed_elements + _num_accessed_elements - _size + _offset; + } +} +} // namespace test +} // namespace arm_compute +#endif -- cgit v1.2.1