Loading...
Searching...
No Matches
volk_32f_sqrt_32f.h
Go to the documentation of this file.
/* -*- 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_32f_sqrt_32f_a_H
#define INCLUDED_volk_32f_sqrt_32f_a_H
#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#ifdef LV_HAVE_GENERIC
static inline void
volk_32f_sqrt_32f_generic(float* cVector, const float* aVector, unsigned int num_points)
{
float* cPtr = cVector;
const float* aPtr = aVector;
unsigned int number = 0;
for (number = 0; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_GENERIC */
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
static inline void
volk_32f_sqrt_32f_a_sse(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
float* cPtr = cVector;
const float* aPtr = aVector;
__m128 aVal, cVal;
for (; number < quarterPoints; number++) {
aVal = _mm_load_ps(aPtr);
cVal = _mm_sqrt_ps(aVal);
_mm_store_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 4;
cPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_SSE */
#if LV_HAVE_AVX512F
#include <immintrin.h>
static inline void
volk_32f_sqrt_32f_a_avx512(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int sixteenthPoints = num_points / 16;
float* cPtr = cVector;
const float* aPtr = aVector;
__m512 aVal, cVal;
for (; number < sixteenthPoints; number++) {
aVal = _mm512_load_ps(aPtr);
cVal = _mm512_sqrt_ps(aVal);
_mm512_store_ps(cPtr, cVal);
aPtr += 16;
cPtr += 16;
}
number = sixteenthPoints * 16;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_AVX512F */
#ifdef LV_HAVE_AVX2
#include <immintrin.h>
static inline void
volk_32f_sqrt_32f_a_avx2(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eighthPoints = num_points / 8;
float* cPtr = cVector;
const float* aPtr = aVector;
__m256 aVal, cVal;
for (; number < eighthPoints; number++) {
aVal = _mm256_load_ps(aPtr);
cVal = _mm256_sqrt_ps(aVal);
_mm256_store_ps(cPtr, cVal);
aPtr += 8;
cPtr += 8;
}
number = eighthPoints * 8;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_AVX2 */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void
volk_32f_sqrt_32f_a_avx(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eighthPoints = num_points / 8;
float* cPtr = cVector;
const float* aPtr = aVector;
__m256 aVal, cVal;
for (; number < eighthPoints; number++) {
aVal = _mm256_load_ps(aPtr);
cVal = _mm256_sqrt_ps(aVal);
_mm256_store_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 8;
cPtr += 8;
}
number = eighthPoints * 8;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_NEON
#include <arm_neon.h>
static inline void
volk_32f_sqrt_32f_neon(float* cVector, const float* aVector, unsigned int num_points)
{
float* cPtr = cVector;
const float* aPtr = aVector;
unsigned int number = 0;
unsigned int quarter_points = num_points / 4;
float32x4_t in_vec, out_vec;
for (number = 0; number < quarter_points; number++) {
in_vec = vld1q_f32(aPtr);
// note that armv8 has vsqrt_f32 which will be much better
out_vec = vrecpeq_f32(vrsqrteq_f32(in_vec));
vst1q_f32(cPtr, out_vec);
aPtr += 4;
cPtr += 4;
}
for (number = quarter_points * 4; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_NEON */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void
volk_32f_sqrt_32f_neonv8(float* cVector, const float* aVector, unsigned int num_points)
{
float* cPtr = cVector;
const float* aPtr = aVector;
unsigned int number = 0;
unsigned int quarter_points = num_points / 4;
for (number = 0; number < quarter_points; number++) {
float32x4_t in_vec = vld1q_f32(aPtr);
float32x4_t out_vec = vsqrtq_f32(in_vec);
vst1q_f32(cPtr, out_vec);
aPtr += 4;
cPtr += 4;
}
for (number = quarter_points * 4; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_NEONV8 */
#endif /* INCLUDED_volk_32f_sqrt_32f_a_H */
#ifndef INCLUDED_volk_32f_sqrt_32f_u_H
#define INCLUDED_volk_32f_sqrt_32f_u_H
#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
static inline void
volk_32f_sqrt_32f_u_sse(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
float* cPtr = cVector;
const float* aPtr = aVector;
__m128 aVal, cVal;
for (; number < quarterPoints; number++) {
aVal = _mm_loadu_ps(aPtr);
cVal = _mm_sqrt_ps(aVal);
_mm_storeu_ps(cPtr, cVal);
aPtr += 4;
cPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_SSE */
#if LV_HAVE_AVX512F
#include <immintrin.h>
static inline void
volk_32f_sqrt_32f_u_avx512(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int sixteenthPoints = num_points / 16;
float* cPtr = cVector;
const float* aPtr = aVector;
__m512 aVal, cVal;
for (; number < sixteenthPoints; number++) {
aVal = _mm512_loadu_ps(aPtr);
cVal = _mm512_sqrt_ps(aVal);
_mm512_storeu_ps(cPtr, cVal);
aPtr += 16;
cPtr += 16;
}
number = sixteenthPoints * 16;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_AVX512F */
#ifdef LV_HAVE_AVX2
#include <immintrin.h>
static inline void
volk_32f_sqrt_32f_u_avx2(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eighthPoints = num_points / 8;
float* cPtr = cVector;
const float* aPtr = aVector;
__m256 aVal, cVal;
for (; number < eighthPoints; number++) {
aVal = _mm256_loadu_ps(aPtr);
cVal = _mm256_sqrt_ps(aVal);
_mm256_storeu_ps(cPtr, cVal);
aPtr += 8;
cPtr += 8;
}
number = eighthPoints * 8;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_AVX2 */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void
volk_32f_sqrt_32f_u_avx(float* cVector, const float* aVector, unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eighthPoints = num_points / 8;
float* cPtr = cVector;
const float* aPtr = aVector;
__m256 aVal, cVal;
for (; number < eighthPoints; number++) {
aVal = _mm256_loadu_ps(aPtr);
cVal = _mm256_sqrt_ps(aVal);
_mm256_storeu_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 8;
cPtr += 8;
}
number = eighthPoints * 8;
for (; number < num_points; number++) {
*cPtr++ = sqrtf(*aPtr++);
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void
volk_32f_sqrt_32f_rvv(float* cVector, const float* aVector, unsigned int num_points)
{
size_t n = num_points;
for (size_t vl; n > 0; n -= vl, aVector += vl, cVector += vl) {
vl = __riscv_vsetvl_e32m8(n);
vfloat32m8_t v = __riscv_vle32_v_f32m8(aVector, vl);
__riscv_vse32(cVector, __riscv_vfsqrt(v, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#endif /* INCLUDED_volk_32f_sqrt_32f_u_H */