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volk_32i_s32f_convert_32f.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_32i_s32f_convert_32f_u_H
#define INCLUDED_volk_32i_s32f_convert_32f_u_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
static inline void volk_32i_s32f_convert_32f_u_avx512f(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int onesixteenthPoints = num_points / 16;
float* outputVectorPtr = outputVector;
const float iScalar = 1.0 / scalar;
__m512 invScalar = _mm512_set1_ps(iScalar);
int32_t* inputPtr = (int32_t*)inputVector;
__m512i inputVal;
__m512 ret;
for (; number < onesixteenthPoints; number++) {
// Load the values
inputVal = _mm512_loadu_si512((__m512i*)inputPtr);
ret = _mm512_cvtepi32_ps(inputVal);
ret = _mm512_mul_ps(ret, invScalar);
_mm512_storeu_ps(outputVectorPtr, ret);
outputVectorPtr += 16;
inputPtr += 16;
}
number = onesixteenthPoints * 16;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_AVX512F */
#ifdef LV_HAVE_AVX2
#include <immintrin.h>
static inline void volk_32i_s32f_convert_32f_u_avx2(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int oneEightPoints = num_points / 8;
float* outputVectorPtr = outputVector;
const float iScalar = 1.0 / scalar;
__m256 invScalar = _mm256_set1_ps(iScalar);
int32_t* inputPtr = (int32_t*)inputVector;
__m256i inputVal;
__m256 ret;
for (; number < oneEightPoints; number++) {
// Load the 4 values
inputVal = _mm256_loadu_si256((__m256i*)inputPtr);
ret = _mm256_cvtepi32_ps(inputVal);
ret = _mm256_mul_ps(ret, invScalar);
_mm256_storeu_ps(outputVectorPtr, ret);
outputVectorPtr += 8;
inputPtr += 8;
}
number = oneEightPoints * 8;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_AVX2 */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_32i_s32f_convert_32f_u_sse2(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
float* outputVectorPtr = outputVector;
const float iScalar = 1.0 / scalar;
__m128 invScalar = _mm_set_ps1(iScalar);
int32_t* inputPtr = (int32_t*)inputVector;
__m128i inputVal;
__m128 ret;
for (; number < quarterPoints; number++) {
// Load the 4 values
inputVal = _mm_loadu_si128((__m128i*)inputPtr);
ret = _mm_cvtepi32_ps(inputVal);
ret = _mm_mul_ps(ret, invScalar);
_mm_storeu_ps(outputVectorPtr, ret);
outputVectorPtr += 4;
inputPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_SSE2 */
#ifdef LV_HAVE_GENERIC
static inline void volk_32i_s32f_convert_32f_generic(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
float* outputVectorPtr = outputVector;
const int32_t* inputVectorPtr = inputVector;
unsigned int number = 0;
const float iScalar = 1.0 / scalar;
for (number = 0; number < num_points; number++) {
*outputVectorPtr++ = ((float)(*inputVectorPtr++)) * iScalar;
}
}
#endif /* LV_HAVE_GENERIC */
#endif /* INCLUDED_volk_32i_s32f_convert_32f_u_H */
#ifndef INCLUDED_volk_32i_s32f_convert_32f_a_H
#define INCLUDED_volk_32i_s32f_convert_32f_a_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
static inline void volk_32i_s32f_convert_32f_a_avx512f(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int onesixteenthPoints = num_points / 16;
float* outputVectorPtr = outputVector;
const float iScalar = 1.0 / scalar;
__m512 invScalar = _mm512_set1_ps(iScalar);
int32_t* inputPtr = (int32_t*)inputVector;
__m512i inputVal;
__m512 ret;
for (; number < onesixteenthPoints; number++) {
// Load the values
inputVal = _mm512_load_si512((__m512i*)inputPtr);
ret = _mm512_cvtepi32_ps(inputVal);
ret = _mm512_mul_ps(ret, invScalar);
_mm512_store_ps(outputVectorPtr, ret);
outputVectorPtr += 16;
inputPtr += 16;
}
number = onesixteenthPoints * 16;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_AVX512F */
#ifdef LV_HAVE_AVX2
#include <immintrin.h>
static inline void volk_32i_s32f_convert_32f_a_avx2(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int oneEightPoints = num_points / 8;
float* outputVectorPtr = outputVector;
const float iScalar = 1.0 / scalar;
__m256 invScalar = _mm256_set1_ps(iScalar);
int32_t* inputPtr = (int32_t*)inputVector;
__m256i inputVal;
__m256 ret;
for (; number < oneEightPoints; number++) {
// Load the 4 values
inputVal = _mm256_load_si256((__m256i*)inputPtr);
ret = _mm256_cvtepi32_ps(inputVal);
ret = _mm256_mul_ps(ret, invScalar);
_mm256_store_ps(outputVectorPtr, ret);
outputVectorPtr += 8;
inputPtr += 8;
}
number = oneEightPoints * 8;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_AVX2 */
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
static inline void volk_32i_s32f_convert_32f_a_sse2(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
float* outputVectorPtr = outputVector;
const float iScalar = 1.0 / scalar;
__m128 invScalar = _mm_set_ps1(iScalar);
int32_t* inputPtr = (int32_t*)inputVector;
__m128i inputVal;
__m128 ret;
for (; number < quarterPoints; number++) {
// Load the 4 values
inputVal = _mm_load_si128((__m128i*)inputPtr);
ret = _mm_cvtepi32_ps(inputVal);
ret = _mm_mul_ps(ret, invScalar);
_mm_store_ps(outputVectorPtr, ret);
outputVectorPtr += 4;
inputPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_SSE2 */
#ifdef LV_HAVE_NEON
#include <arm_neon.h>
static inline void volk_32i_s32f_convert_32f_neon(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int quarterPoints = num_points / 4;
float* outputVectorPtr = outputVector;
const int32_t* inputPtr = inputVector;
const float iScalar = 1.0f / scalar;
float32x4_t invScalar = vdupq_n_f32(iScalar);
for (; number < quarterPoints; number++) {
int32x4_t inputVal = vld1q_s32(inputPtr);
float32x4_t ret = vcvtq_f32_s32(inputVal);
ret = vmulq_f32(ret, invScalar);
vst1q_f32(outputVectorPtr, ret);
inputPtr += 4;
outputVectorPtr += 4;
}
number = quarterPoints * 4;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_NEON */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void volk_32i_s32f_convert_32f_neonv8(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
unsigned int number = 0;
const unsigned int eighthPoints = num_points / 8;
float* outputVectorPtr = outputVector;
const int32_t* inputPtr = inputVector;
const float iScalar = 1.0f / scalar;
float32x4_t invScalar = vdupq_n_f32(iScalar);
for (; number < eighthPoints; number++) {
int32x4_t inputVal0 = vld1q_s32(inputPtr);
int32x4_t inputVal1 = vld1q_s32(inputPtr + 4);
__VOLK_PREFETCH(inputPtr + 8);
inputPtr += 8;
float32x4_t ret0 = vcvtq_f32_s32(inputVal0);
float32x4_t ret1 = vcvtq_f32_s32(inputVal1);
ret0 = vmulq_f32(ret0, invScalar);
ret1 = vmulq_f32(ret1, invScalar);
vst1q_f32(outputVectorPtr, ret0);
vst1q_f32(outputVectorPtr + 4, ret1);
outputVectorPtr += 8;
}
number = eighthPoints * 8;
for (; number < num_points; number++) {
outputVector[number] = ((float)(inputVector[number])) * iScalar;
}
}
#endif /* LV_HAVE_NEONV8 */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void volk_32i_s32f_convert_32f_rvv(float* outputVector,
const int32_t* inputVector,
const float scalar,
unsigned int num_points)
{
size_t n = num_points;
for (size_t vl; n > 0; n -= vl, inputVector += vl, outputVector += vl) {
vl = __riscv_vsetvl_e32m8(n);
vfloat32m8_t v = __riscv_vfcvt_f(__riscv_vle32_v_i32m8(inputVector, vl), vl);
__riscv_vse32(outputVector, __riscv_vfmul(v, 1.0f / scalar, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#endif /* INCLUDED_volk_32i_s32f_convert_32f_a_H */