mirror of https://github.com/opencv/opencv.git
Alexander Alekhin
6 years ago
parent
9a8dbfd57f
commit
8546ac3ce6
3 changed files with 99 additions and 219 deletions
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/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "precomp.hpp" |
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#include "filter.hpp" |
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namespace cv |
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{ |
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int RowVec_32f_AVX(const float* src0, const float* _kx, float* dst, int width, int cn, int _ksize) |
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{ |
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int i = 0, k; |
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for (; i <= width - 8; i += 8) |
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{ |
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const float* src = src0 + i; |
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__m256 f, x0; |
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__m256 s0 = _mm256_set1_ps(0.0f); |
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for (k = 0; k < _ksize; k++, src += cn) |
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{ |
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f = _mm256_set1_ps(_kx[k]); |
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x0 = _mm256_loadu_ps(src); |
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#if CV_FMA3 |
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s0 = _mm256_fmadd_ps(x0, f, s0); |
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#else |
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s0 = _mm256_add_ps(s0, _mm256_mul_ps(x0, f)); |
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#endif |
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} |
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_mm256_storeu_ps(dst + i, s0); |
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} |
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_mm256_zeroupper(); |
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return i; |
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} |
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int SymmColumnVec_32f_Symm_AVX(const float** src, const float* ky, float* dst, float delta, int width, int ksize2) |
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{ |
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int i = 0, k; |
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const float *S, *S2; |
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const __m128 d4 = _mm_set1_ps(delta); |
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const __m256 d8 = _mm256_set1_ps(delta); |
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for( ; i <= width - 16; i += 16 ) |
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{ |
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__m256 f = _mm256_set1_ps(ky[0]); |
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__m256 s0, s1; |
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__m256 x0; |
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S = src[0] + i; |
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s0 = _mm256_loadu_ps(S); |
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#if CV_FMA3 |
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s0 = _mm256_fmadd_ps(s0, f, d8); |
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#else |
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s0 = _mm256_add_ps(_mm256_mul_ps(s0, f), d8); |
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#endif |
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s1 = _mm256_loadu_ps(S+8); |
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#if CV_FMA3 |
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s1 = _mm256_fmadd_ps(s1, f, d8); |
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#else |
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s1 = _mm256_add_ps(_mm256_mul_ps(s1, f), d8); |
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#endif |
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for( k = 1; k <= ksize2; k++ ) |
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{ |
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S = src[k] + i; |
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S2 = src[-k] + i; |
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f = _mm256_set1_ps(ky[k]); |
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x0 = _mm256_add_ps(_mm256_loadu_ps(S), _mm256_loadu_ps(S2)); |
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#if CV_FMA3 |
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s0 = _mm256_fmadd_ps(x0, f, s0); |
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#else |
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s0 = _mm256_add_ps(s0, _mm256_mul_ps(x0, f)); |
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#endif |
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x0 = _mm256_add_ps(_mm256_loadu_ps(S+8), _mm256_loadu_ps(S2+8)); |
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#if CV_FMA3 |
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s1 = _mm256_fmadd_ps(x0, f, s1); |
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#else |
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s1 = _mm256_add_ps(s1, _mm256_mul_ps(x0, f)); |
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#endif |
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} |
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_mm256_storeu_ps(dst + i, s0); |
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_mm256_storeu_ps(dst + i + 8, s1); |
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} |
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for( ; i <= width - 4; i += 4 ) |
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{ |
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__m128 f = _mm_set1_ps(ky[0]); |
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__m128 x0, s0 = _mm_load_ps(src[0] + i); |
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s0 = _mm_add_ps(_mm_mul_ps(s0, f), d4); |
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for( k = 1; k <= ksize2; k++ ) |
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{ |
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f = _mm_set1_ps(ky[k]); |
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x0 = _mm_add_ps(_mm_load_ps(src[k]+i), _mm_load_ps(src[-k] + i)); |
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s0 = _mm_add_ps(s0, _mm_mul_ps(x0, f)); |
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} |
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_mm_storeu_ps(dst + i, s0); |
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} |
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_mm256_zeroupper(); |
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return i; |
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} |
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int SymmColumnVec_32f_Unsymm_AVX(const float** src, const float* ky, float* dst, float delta, int width, int ksize2) |
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{ |
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int i = 0, k; |
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const float *S2; |
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const __m128 d4 = _mm_set1_ps(delta); |
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const __m256 d8 = _mm256_set1_ps(delta); |
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for (; i <= width - 16; i += 16) |
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{ |
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__m256 f, s0 = d8, s1 = d8; |
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__m256 x0; |
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for (k = 1; k <= ksize2; k++) |
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{ |
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const float *S = src[k] + i; |
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S2 = src[-k] + i; |
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f = _mm256_set1_ps(ky[k]); |
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x0 = _mm256_sub_ps(_mm256_loadu_ps(S), _mm256_loadu_ps(S2)); |
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#if CV_FMA3 |
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s0 = _mm256_fmadd_ps(x0, f, s0); |
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#else |
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s0 = _mm256_add_ps(s0, _mm256_mul_ps(x0, f)); |
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#endif |
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x0 = _mm256_sub_ps(_mm256_loadu_ps(S + 8), _mm256_loadu_ps(S2 + 8)); |
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#if CV_FMA3 |
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s1 = _mm256_fmadd_ps(x0, f, s1); |
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#else |
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s1 = _mm256_add_ps(s1, _mm256_mul_ps(x0, f)); |
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#endif |
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} |
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_mm256_storeu_ps(dst + i, s0); |
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_mm256_storeu_ps(dst + i + 8, s1); |
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} |
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for (; i <= width - 4; i += 4) |
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{ |
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__m128 f, x0, s0 = d4; |
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for (k = 1; k <= ksize2; k++) |
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{ |
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f = _mm_set1_ps(ky[k]); |
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x0 = _mm_sub_ps(_mm_load_ps(src[k] + i), _mm_load_ps(src[-k] + i)); |
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s0 = _mm_add_ps(s0, _mm_mul_ps(x0, f)); |
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} |
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_mm_storeu_ps(dst + i, s0); |
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} |
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_mm256_zeroupper(); |
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return i; |
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} |
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} |
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/* End of file. */ |
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