Loading...
Searching...
No Matches
volk_32f_s32f_multiply_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_s32f_multiply_32f_u_H
#define INCLUDED_volk_32f_s32f_multiply_32f_u_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_GENERIC
static inline void volk_32f_s32f_multiply_32f_generic(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
for (unsigned int number = 0; number < num_points; number++) {
*cVector++ = (*aVector++) * scalar;
}
}
#endif /* LV_HAVE_GENERIC */
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
static inline void volk_32f_s32f_multiply_32f_u_sse(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
const unsigned int quarterPoints = num_points / 4;
float* cPtr = cVector;
const float* aPtr = aVector;
const __m128 bVal = _mm_set_ps1(scalar);
for (unsigned int number = 0; number < quarterPoints; number++) {
__m128 aVal = _mm_loadu_ps(aPtr);
__m128 cVal = _mm_mul_ps(aVal, bVal);
_mm_storeu_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 4;
cPtr += 4;
}
for (unsigned int number = quarterPoints * 4; number < num_points; number++) {
*cPtr++ = (*aPtr++) * scalar;
}
}
#endif /* LV_HAVE_SSE */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32f_s32f_multiply_32f_u_avx(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
const unsigned int eighthPoints = num_points / 8;
float* cPtr = cVector;
const float* aPtr = aVector;
const __m256 bVal = _mm256_set1_ps(scalar);
for (unsigned int number = 0; number < eighthPoints; number++) {
__m256 aVal = _mm256_loadu_ps(aPtr);
__m256 cVal = _mm256_mul_ps(aVal, bVal);
_mm256_storeu_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 8;
cPtr += 8;
}
for (unsigned int number = eighthPoints * 8; number < num_points; number++) {
*cPtr++ = (*aPtr++) * scalar;
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_RISCV64
extern void volk_32f_s32f_multiply_32f_sifive_u74(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points);
#endif /* LV_HAVE_RISCV64 */
#endif /* INCLUDED_volk_32f_s32f_multiply_32f_u_H */
#ifndef INCLUDED_volk_32f_s32f_multiply_32f_a_H
#define INCLUDED_volk_32f_s32f_multiply_32f_a_H
#include <inttypes.h>
#include <stdio.h>
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
static inline void volk_32f_s32f_multiply_32f_a_sse(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
const unsigned int quarterPoints = num_points / 4;
float* cPtr = cVector;
const float* aPtr = aVector;
const __m128 bVal = _mm_set_ps1(scalar);
for (unsigned int number = 0; number < quarterPoints; number++) {
__m128 aVal = _mm_load_ps(aPtr);
__m128 cVal = _mm_mul_ps(aVal, bVal);
_mm_store_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 4;
cPtr += 4;
}
for (unsigned int number = quarterPoints * 4; number < num_points; number++) {
*cPtr++ = (*aPtr++) * scalar;
}
}
#endif /* LV_HAVE_SSE */
#ifdef LV_HAVE_AVX
#include <immintrin.h>
static inline void volk_32f_s32f_multiply_32f_a_avx(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
const unsigned int eighthPoints = num_points / 8;
float* cPtr = cVector;
const float* aPtr = aVector;
const __m256 bVal = _mm256_set1_ps(scalar);
for (unsigned int number = 0; number < eighthPoints; number++) {
__m256 aVal = _mm256_load_ps(aPtr);
__m256 cVal = _mm256_mul_ps(aVal, bVal);
_mm256_store_ps(cPtr, cVal); // Store the results back into the C container
aPtr += 8;
cPtr += 8;
}
for (unsigned int number = eighthPoints * 8; number < num_points; number++) {
*cPtr++ = (*aPtr++) * scalar;
}
}
#endif /* LV_HAVE_AVX */
#ifdef LV_HAVE_NEON
#include <arm_neon.h>
static inline void volk_32f_s32f_multiply_32f_u_neon(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
const unsigned int quarterPoints = num_points / 4;
const float* inputPtr = aVector;
float* outputPtr = cVector;
for (unsigned int number = 0; number < quarterPoints; number++) {
float32x4_t aVal = vld1q_f32(inputPtr); // Load into NEON regs
float32x4_t cVal = vmulq_n_f32(aVal, scalar); // Do the multiply
vst1q_f32(outputPtr, cVal); // Store results back to output
inputPtr += 4;
outputPtr += 4;
}
for (unsigned int number = quarterPoints * 4; number < num_points; number++) {
*outputPtr++ = (*inputPtr++) * scalar;
}
}
#endif /* LV_HAVE_NEON */
#ifdef LV_HAVE_NEONV8
#include <arm_neon.h>
static inline void volk_32f_s32f_multiply_32f_neonv8(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
const unsigned int eighthPoints = num_points / 8;
const float* aPtr = aVector;
float* cPtr = cVector;
const float32x4_t scalarVec = vdupq_n_f32(scalar);
for (unsigned int number = 0; number < eighthPoints; number++) {
float32x4_t a0 = vld1q_f32(aPtr);
float32x4_t a1 = vld1q_f32(aPtr + 4);
__VOLK_PREFETCH(aPtr + 16);
vst1q_f32(cPtr, vmulq_f32(a0, scalarVec));
vst1q_f32(cPtr + 4, vmulq_f32(a1, scalarVec));
aPtr += 8;
cPtr += 8;
}
for (unsigned int number = eighthPoints * 8; number < num_points; number++) {
*cPtr++ = (*aPtr++) * scalar;
}
}
#endif /* LV_HAVE_NEONV8 */
#ifdef LV_HAVE_ORC
extern void volk_32f_s32f_multiply_32f_a_orc_impl(float* dst,
const float* src,
const float scalar,
int num_points);
static inline void volk_32f_s32f_multiply_32f_u_orc(float* cVector,
const float* aVector,
const float scalar,
unsigned int num_points)
{
volk_32f_s32f_multiply_32f_a_orc_impl(cVector, aVector, scalar, num_points);
}
#endif /* LV_HAVE_ORC */
#ifdef LV_HAVE_RVV
#include <riscv_vector.h>
static inline void volk_32f_s32f_multiply_32f_rvv(float* cVector,
const float* aVector,
const float scalar,
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_vfmul(v, scalar, vl), vl);
}
}
#endif /*LV_HAVE_RVV*/
#endif /* INCLUDED_volk_32f_s32f_multiply_32f_a_H */