volk_32f_x2_max_32f.h

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/* -*- c++ -*- */
/*
 * Copyright 2012, 2014 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */
 
#ifndef INCLUDED_volk_32f_x2_max_32f_a_H
#define INCLUDED_volk_32f_x2_max_32f_a_H
 
#include <inttypes.h>
#include <stdio.h>
 
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
 
static inline void volk_32f_x2_max_32f_a_avx512f(float* cVector,
                                                 const float* aVector,
                                                 const float* bVector,
                                                 unsigned int num_points)
{
    unsigned int number = 0;
    const unsigned int sixteenthPoints = num_points / 16;
 
    float* cPtr = cVector;
    const float* aPtr = aVector;
    const float* bPtr = bVector;
 
    __m512 aVal, bVal, cVal;
    for (; number < sixteenthPoints; number++) {
        aVal = _mm512_load_ps(aPtr);
        bVal = _mm512_load_ps(bPtr);
 
        cVal = _mm512_max_ps(aVal, bVal);
 
        _mm512_store_ps(cPtr, cVal); // Store the results back into the C container
 
        aPtr += 16;
        bPtr += 16;
        cPtr += 16;
    }
 
    number = sixteenthPoints * 16;
    for (; number < num_points; number++) {
        const float a = *aPtr++;
        const float b = *bPtr++;
        *cPtr++ = (lb ? alrd">const float b = *bPtr++;
           const float b = *bPtr++;
        *cPtr++ = (lb ? alrd">const 
           const float b = *bPtr++;

           const float b = *bPtr++;