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volk_64f_x2_min_64f.h
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/* -*- c++ -*- */
/*
* Copyright 2012, 2014 Free Software Foundation, Inc.
*
* This file is part of VOLK
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*/
#ifndef INCLUDED_volk_64f_x2_min_64f_a_H
#define INCLUDED_volk_64f_x2_min_64f_a_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
static inline void volk_64f_x2_min_64f_a_avx512f(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eigthPoints = num_points / 8;
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
__m512d aVal, bVal, cVal;
for (; number < eigthPoints; number++) {
aVal = _mm512_load_pd(aPtr);
bVal = _mm512_load_pd(bPtr);
cVal = _mm512_min_pd(aVal, bVal);
_mm512_store_pd(cPtr, cVal); // Store the results back into the C container
aPtr += 8;
bPtr += 8;
cPtr += 8;
}
number = eigthPoints * 8;
for (; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_AVX512F */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_64f_x2_min_64f_a_avx(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
__m256d aVal, bVal, cVal;
for (; number < quarterPoints; number++) {
aVal = _mm256_load_pd(aPtr);
bVal = _mm256_load_pd(bPtr);
cVal = _mm256_min_pd(aVal, bVal);
_mm256_store_pd(cPtr, cVal); // Store the results back into the C container
aPtr += 4;
bPtr += 4;
cPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_64f_x2_min_64f_a_sse2(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int halfPoints = num_points / 2;
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
__m128d aVal, bVal, cVal;
for (; number < halfPoints; number++) {
aVal = _mm_load_pd(aPtr);
bVal = _mm_load_pd(bPtr);
cVal = _mm_min_pd(aVal, bVal);
_mm_store_pd(cPtr, cVal); // Store the results back into the C container
aPtr += 2;
bPtr += 2;
cPtr += 2;
}
number = halfPoints * 2;
for (; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_SSE2 */
#ifdef LV_HAVE_GENERIC
static inline void volk_64f_x2_min_64f_generic(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
unsigned int number = 0;
for (number = 0; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_volk_64f_x2_min_64f_a_H */
#ifndef INCLUDED_volk_64f_x2_min_64f_u_H
#define INCLUDED_volk_64f_x2_min_64f_u_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
static inline void volk_64f_x2_min_64f_u_avx512f(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eigthPoints = num_points / 8;
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
__m512d aVal, bVal, cVal;
for (; number < eigthPoints; number++) {
aVal = _mm512_loadu_pd(aPtr);
bVal = _mm512_loadu_pd(bPtr);
cVal = _mm512_min_pd(aVal, bVal);
_mm512_storeu_pd(cPtr, cVal); // Store the results back into the C container
aPtr += 8;
bPtr += 8;
cPtr += 8;
}
number = eigthPoints * 8;
for (; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_AVX512F */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_64f_x2_min_64f_u_avx(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
__m256d aVal, bVal, cVal;
for (; number < quarterPoints; number++) {
aVal = _mm256_loadu_pd(aPtr);
bVal = _mm256_loadu_pd(bPtr);
cVal = _mm256_min_pd(aVal, bVal);
_mm256_storeu_pd(cPtr, cVal); // Store the results back into the C container
aPtr += 4;
bPtr += 4;
cPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void volk_64f_x2_min_64f_neonv8(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarter_points = num_points / 4;
double* cPtr = cVector;
const double* aPtr = aVector;
const double* bPtr = bVector;
for (; number < quarter_points; number++) {
float64x2_t aVal0 = vld1q_f64(aPtr);
float64x2_t aVal1 = vld1q_f64(aPtr + 2);
float64x2_t bVal0 = vld1q_f64(bPtr);
float64x2_t bVal1 = vld1q_f64(bPtr + 2);
__VOLK_PREFETCH(aPtr + 4);
__VOLK_PREFETCH(bPtr + 4);
float64x2_t cVal0 = vminq_f64(aVal0, bVal0);
float64x2_t cVal1 = vminq_f64(aVal1, bVal1);
vst1q_f64(cPtr, cVal0);
vst1q_f64(cPtr + 2, cVal1);
aPtr += 4;
bPtr += 4;
cPtr += 4;
}
number = quarter_points * 4;
for (; number < num_points; number++) {
const double a = *aPtr++;
const double b = *bPtr++;
*cPtr++ = (a < b ? a : b);
}
}
#endif /* LV_HAVE_NEONV8 */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void volk_64f_x2_min_64f_rvv(double* cVector,
const double* aVector,
const double* bVector,
unsigned int num_points)
{
size_t n = num_points;
for (size_t vl; n > 0; n -= vl, aVector += vl, bVector += vl, cVector += vl) {
vl = __riscv_vsetvl_e64m8(n);
vfloat64m8_t va = __riscv_vle64_v_f64m8(aVector, vl);
vfloat64m8_t vb = __riscv_vle64_v_f64m8(bVector, vl);
__riscv_vse64(cVector, __riscv_vfmin(va, vb, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#endif /* INCLUDED_volk_64f_x2_min_64f_u_H */