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Add volk_gnsssdr_16ic_conjugate_16ic kernel
This commit is contained in:
Carles Fernandez
parent
7076bebf30
commit
6d216fa5a1
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/*!
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* \file volk_gnsssdr_16ic_conjugate_16ic.h
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* \brief VOLK_GNSSSDR kernel: calculates the conjugate of a 16 bits vector.
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* \authors <ul>
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* <li> Andres Cecilia, 2014. a.cecilia.luque(at)gmail.com
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* </ul>
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*
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* VOLK_GNSSSDR kernel that calculates the conjugate of a
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* 16 bits vector (8 bits the real part and 8 bits the imaginary part)
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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/*!
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* \page volk_gnsssdr_16ic_conjugate_16ic
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*
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* \b Overview
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*
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* Takes the conjugate of a complex unsigned char vector.
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*
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* <b>Dispatcher Prototype</b>
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* \code
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* void volk_gnsssdr_16ic_conjugate_16ic(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points);
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* \endcode
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*
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* \b Inputs
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* \li aVector: Vector of complex items to be conjugated
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* \li num_points: The number of complex data points.
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*
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* \b Outputs
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* \li cVector: The vector where the result will be stored
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*
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*/
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#ifndef INCLUDED_volk_gnsssdr_16ic_conjugate_16ic_H
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#define INCLUDED_volk_gnsssdr_16ic_conjugate_16ic_H
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#include <volk_gnsssdr/volk_gnsssdr_complex.h>
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//#ifdef LV_HAVE_AVX2
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//#include <immintrin.h>
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//
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_u_avx2(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int avx2_iters = num_points / 16;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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//
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// __m256i tmp;
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// __m256i conjugator = _mm256_setr_epi8(1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1);
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//
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// for (i = 0; i < avx2_iters; ++i)
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// {
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// tmp = _mm256_loadu_si256((__m256i*)a);
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// tmp = _mm256_sign_epi8(tmp, conjugator);
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// _mm256_storeu_si256((__m256i*)c, tmp);
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//
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// a += 16;
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// c += 16;
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// }
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//
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// for (i = avx2_iters * 16; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//}
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//#endif /* LV_HAVE_AVX2 */
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//#ifdef LV_HAVE_AVX
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//#include <immintrin.h>
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_u_avx(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int sse_iters = num_points / 8;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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//
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// __m256i tmp;
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// //__m128i tmp128lo, tmp128hi;
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// //__m256 conjugator1 = _mm256_castsi256_ps(_mm256_setr_epi16(0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF));
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// //__m128i conjugator2 = _mm_setr_epi16(0, -1, 0, -1, 0, -1, 0, -1);
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// __m256i conjugator = _mm256_setr_ps(0, -1, 0, -1, 0, -1, 0, -1);
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//
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// for (i = 0; i < sse_iters; ++i)
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// {
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// tmp = _mm256_loadu_si256((__m256i*)a);
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// tmp = _mm256_xor_si256(tmp, conjugator);
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// //tmp128lo = _mm256_castsi256_si128(_mm256_castps_si256(tmp));
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// //tmp128lo = _mm_add_epi16(tmp128lo, conjugator2);
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// //tmp128hi = _mm256_extractf128_si256(_mm256_castps_si256(tmp),1);
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// //tmp128hi = _mm_add_epi16(tmp128hi, conjugator2);
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// //tmp = _mm256_set_m128i(tmp128hi , tmp128lo); //not defined in some versions of immintrin.h
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// //tmp = _mm256_castsi256_ps(_mm256_insertf128_si256(_mm256_castsi128_si256(tmp128lo),(tmp128hi),1));
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// _mm256_storeu_si256((__m256i*)c, tmp);
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//
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// a += 8;
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// c += 8;
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// }
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//
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// for (i = sse_iters * 8; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//}
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//#endif /* LV_HAVE_AVX */
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#ifdef LV_HAVE_SSSE3
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#include <tmmintrin.h>
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static inline void volk_gnsssdr_16ic_conjugate_16ic_u_ssse3(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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{
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const unsigned int sse_iters = num_points / 4;
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unsigned int i;
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lv_16sc_t* c = cVector;
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const lv_16sc_t* a = aVector;
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__m128i tmp;
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__m128i conjugator = _mm_setr_epi16(1, -1, 1, -1, 1, -1, 1, -1);
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for (i = 0; i < sse_iters; ++i)
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{
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tmp = _mm_lddqu_si128((__m128i*)a);
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tmp = _mm_sign_epi16(tmp, conjugator);
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_mm_storeu_si128((__m128i*)c, tmp);
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a += 4;
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c += 4;
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}
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for (i = sse_iters * 4; i < num_points; ++i)
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{
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*c++ = lv_conj(*a++);
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}
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}
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#endif /* LV_HAVE_SSSE3 */
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//
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//
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//#ifdef LV_HAVE_SSE3
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//#include <pmmintrin.h>
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//
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_u_sse3(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int sse_iters = num_points / 8;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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// __m128i tmp;
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//
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// __m128i conjugator1 = _mm_setr_epi8(0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF);
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// __m128i conjugator2 = _mm_setr_epi8(0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1);
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//
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// for (i = 0; i < sse_iters; ++i)
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// {
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// tmp = _mm_lddqu_si128((__m128i*)a);
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// tmp = _mm_xor_si128(tmp, conjugator1);
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// tmp = _mm_add_epi8(tmp, conjugator2);
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// _mm_storeu_si128((__m128i*)c, tmp);
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// a += 8;
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// c += 8;
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// }
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//
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// for (i = sse_iters * 8; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//
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//}
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//#endif /* LV_HAVE_SSE3 */
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#ifdef LV_HAVE_GENERIC
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static inline void volk_gnsssdr_16ic_conjugate_16ic_generic(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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{
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lv_16sc_t* cPtr = cVector;
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const lv_16sc_t* aPtr = aVector;
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unsigned int number;
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for(number = 0; number < num_points; number++)
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{
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*cPtr++ = lv_conj(*aPtr++);
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}
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}
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#endif /* LV_HAVE_GENERIC */
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//#ifdef LV_HAVE_AVX
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//#include <immintrin.h>
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//
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_a_avx(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int sse_iters = num_points / 16;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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//
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// __m256 tmp;
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// __m128i tmp128lo, tmp128hi;
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// __m256 conjugator1 = _mm256_castsi256_ps(_mm256_setr_epi8(0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF));
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// __m128i conjugator2 = _mm_setr_epi8(0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1);
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//
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// for (i = 0; i < sse_iters; ++i)
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// {
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// tmp = _mm256_load_ps((float*)a);
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// tmp = _mm256_xor_ps(tmp, conjugator1);
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// tmp128lo = _mm256_castsi256_si128(_mm256_castps_si256(tmp));
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// tmp128lo = _mm_add_epi8(tmp128lo, conjugator2);
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// tmp128hi = _mm256_extractf128_si256(_mm256_castps_si256(tmp),1);
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// tmp128hi = _mm_add_epi8(tmp128hi, conjugator2);
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// //tmp = _mm256_set_m128i(tmp128hi , tmp128lo); //not defined in some versions of immintrin.h
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// tmp = _mm256_castsi256_ps(_mm256_insertf128_si256(_mm256_castsi128_si256(tmp128lo),(tmp128hi),1));
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// _mm256_store_ps((float*)c, tmp);
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//
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// a += 16;
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// c += 16;
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// }
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//
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// for (i = sse_iters * 16; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//}
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//#endif /* LV_HAVE_AVX */
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//
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//
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//#ifdef LV_HAVE_AVX2
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//#include <immintrin.h>
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//
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_a_avx2(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int avx2_iters = num_points / 16;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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//
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// __m256i tmp;
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// __m256i conjugator = _mm256_setr_epi8(1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1);
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//
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// for (i = 0; i < avx2_iters; ++i)
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// {
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// tmp = _mm256_load_si256((__m256i*)a);
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// tmp = _mm256_sign_epi8(tmp, conjugator);
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// _mm256_store_si256((__m256i*)c, tmp);
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//
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// a += 16;
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// c += 16;
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// }
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//
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// for (i = avx2_iters * 16; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//}
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//#endif /* LV_HAVE_AVX2 */
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//
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//
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#ifdef LV_HAVE_SSSE3
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#include <tmmintrin.h>
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static inline void volk_gnsssdr_16ic_conjugate_16ic_a_ssse3(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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{
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const unsigned int sse_iters = num_points / 4;
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unsigned int i;
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lv_16sc_t* c = cVector;
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const lv_16sc_t* a = aVector;
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__m128i tmp;
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__m128i conjugator = _mm_setr_epi16(1, -1, 1, -1, 1, -1, 1, -1);
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for (i = 0; i < sse_iters; ++i)
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{
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tmp = _mm_load_si128((__m128i*)a);
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tmp = _mm_sign_epi16(tmp, conjugator);
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_mm_store_si128((__m128i*)c, tmp);
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a += 4;
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c += 4;
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}
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for (i = sse_iters * 4; i < num_points; ++i)
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{
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*c++ = lv_conj(*a++);
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}
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}
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#endif /* LV_HAVE_SSSE3 */
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//
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//
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//#ifdef LV_HAVE_SSE3
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//#include <pmmintrin.h>
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//
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_a_sse3(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int sse_iters = num_points / 8;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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// __m128i tmp;
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//
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// __m128i conjugator1 = _mm_setr_epi8(0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF);
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// __m128i conjugator2 = _mm_setr_epi8(0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1);
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//
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// for (i = 0; i < sse_iters; ++i)
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// {
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// tmp = _mm_load_si128((__m128i*)a);
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// tmp = _mm_xor_si128(tmp, conjugator1);
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// tmp = _mm_add_epi8(tmp, conjugator2);
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// _mm_store_si128((__m128i*)c, tmp);
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// a += 8;
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// c += 8;
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// }
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//
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// for (i = sse_iters * 8; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//
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//}
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//#endif /* LV_HAVE_SSE3 */
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//
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//
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//
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//
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//#ifdef LV_HAVE_NEON
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//#include <arm_neon.h>
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//
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//static inline void volk_gnsssdr_16ic_conjugate_16ic_neon(lv_16sc_t* cVector, const lv_16sc_t* aVector, unsigned int num_points)
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//{
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// const unsigned int sse_iters = num_points / 4;
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// unsigned int i;
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// lv_16sc_t* c = cVector;
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// const lv_16sc_t* a = aVector;
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// int16x4x2_t a_val;
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//
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// for (i = 0; i < sse_iters; ++i)
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// {
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// a_val = vld2_s16((const int16_t*)a);
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// __VOLK_GNSSSDR_PREFETCH(a + 16);
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// a_val.val[1] = vneg_s16(a_val.val[1]);
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// vst2_s16((int16_t*)c, a_val);
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// a += 4;
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// c += 4;
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// }
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//
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// for (i = sse_iters * 4; i < num_points; ++i)
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// {
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// *c++ = lv_conj(*a++);
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// }
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//}
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//#endif /* LV_HAVE_NEON */
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#endif /* INCLUDED_volk_gnsssdr_16ic_conjugate_16ic_H */
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@ -84,6 +84,7 @@ std::vector<volk_gnsssdr_test_case_t> init_test_list(volk_gnsssdr_test_params_t
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(VOLK_INIT_TEST(volk_gnsssdr_16ic_x2_dot_prod_16ic, test_params))
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(VOLK_INIT_TEST(volk_gnsssdr_16ic_x2_multiply_16ic, test_params_more_iters))
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(VOLK_INIT_TEST(volk_gnsssdr_16ic_convert_32fc, test_params_more_iters))
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(VOLK_INIT_TEST(volk_gnsssdr_16ic_conjugate_16ic, test_params_more_iters))
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(VOLK_INIT_PUPP(volk_gnsssdr_s32f_sincospuppet_32fc, volk_gnsssdr_s32f_sincos_32fc, test_params_inacc2))
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(VOLK_INIT_PUPP(volk_gnsssdr_16ic_rotatorpuppet_16ic, volk_gnsssdr_16ic_s32fc_x2_rotator_16ic, test_params_int1))
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(VOLK_INIT_PUPP(volk_gnsssdr_16ic_resamplerfastpuppet_16ic, volk_gnsssdr_16ic_resampler_fast_16ic, test_params))
|
||||
|
|
|
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Loading…
Reference in New Issue
Block a user