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Copy pathsimd_utils_sse_int32.h
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simd_utils_sse_int32.h
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/*
* Project : SIMD_Utils
* Version : 0.1.12
* Author : JishinMaster
* Licence : BSD-2
*/
#pragma once
#include <stdint.h>
#ifndef ARM
#include <immintrin.h>
#else
#include "sse2neon_wrapper.h"
#endif
static inline void add128s(int32_t *src1, int32_t *src2, int32_t *dst, int len)
{
int stop_len = len / SSE_LEN_INT32;
stop_len *= SSE_LEN_INT32;
if (areAligned3((uintptr_t)(src1), (uintptr_t)(src2), (uintptr_t)(dst), SSE_LEN_BYTES)) {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_store_si128((__m128i *) dst + i, _mm_add_epi32(_mm_load_si128((__m128i *) (src1 + i)), _mm_load_si128((__m128i *) (src2 + i))));
}
} else {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_storeu_si128((__m128i *) dst + i, _mm_add_epi32(_mm_loadu_si128((__m128i *) (src1 + i)), _mm_loadu_si128((__m128i *) (src2 + i))));
}
}
for (int i = stop_len; i < len; i++) {
dst[i] = src1[i] + src2[i];
}
}
static inline void mul128s(int32_t *src1, int32_t *src2, int32_t *dst, int len)
{
int stop_len = len / SSE_LEN_INT32;
stop_len *= SSE_LEN_INT32;
if (areAligned3((uintptr_t)(src1), (uintptr_t)(src2), (uintptr_t)(dst), SSE_LEN_BYTES)) {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_store_si128((__m128i *) dst + i, _mm_mul_epi32(_mm_load_si128((__m128i *) (src1 + i)), _mm_load_si128((__m128i *) (src2 + i))));
}
} else {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_storeu_si128((__m128i *) dst + i, _mm_mul_epi32(_mm_loadu_si128((__m128i *) (src1 + i)), _mm_loadu_si128((__m128i *) (src2 + i))));
}
}
for (int i = stop_len; i < len; i++) {
dst[i] = src1[i] * src2[i];
}
}
static inline void sub128s(int32_t *src1, int32_t *src2, int32_t *dst, int len)
{
int stop_len = len / SSE_LEN_INT32;
stop_len *= SSE_LEN_INT32;
if (areAligned3((uintptr_t)(src1), (uintptr_t)(src2), (uintptr_t)(dst), SSE_LEN_BYTES)) {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_store_si128((__m128i *) dst + i, _mm_sub_epi32(_mm_load_si128((__m128i *) (src1 + i)), _mm_load_si128((__m128i *) (src2 + i))));
}
} else {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_storeu_si128((__m128i *) dst + i, _mm_sub_epi32(_mm_loadu_si128((__m128i *) (src1 + i)), _mm_loadu_si128((__m128i *) (src2 + i))));
}
}
for (int i = stop_len; i < len; i++) {
dst[i] = src1[i] - src2[i];
}
}
static inline void addc128s(int32_t *src, int32_t value, int32_t *dst, int len)
{
int stop_len = len / SSE_LEN_INT32;
stop_len *= SSE_LEN_INT32;
const v4si tmp = _mm_set1_epi32(value);
if (areAligned2((uintptr_t)(src), (uintptr_t)(dst), SSE_LEN_BYTES)) {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_store_si128((__m128i *) dst + i, _mm_add_epi32(tmp, _mm_load_si128((__m128i *) (src + i))));
}
} else {
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_storeu_si128((__m128i *) dst + i, _mm_add_epi32(tmp, _mm_loadu_si128((__m128i *) (src + i))));
}
}
for (int i = stop_len; i < len; i++) {
dst[i] = src[i] + value;
}
}
static inline void vectorSlope128s(int *dst, int len, int offset, int slope)
{
v4si coef = _mm_set_epi32(3 * slope, 2 * slope, slope, 0);
v4si slope8_vec = _mm_set1_epi32(8 * slope);
v4si curVal = _mm_add_epi32(_mm_set1_epi32(offset), coef);
v4si curVal2 = _mm_add_epi32(_mm_set1_epi32(offset), coef);
curVal2 = _mm_add_epi32(curVal2, _mm_set1_epi32(4 * slope));
int stop_len = len / (2 * SSE_LEN_INT32);
stop_len *= (2 * SSE_LEN_INT32);
if (((uintptr_t)(const void *) (dst) % SSE_LEN_BYTES) == 0) {
_mm_store_si128((__m128i *) dst, curVal);
_mm_store_si128((__m128i *) (dst + SSE_LEN_INT32), curVal2);
} else {
_mm_storeu_si128((__m128i *) dst, curVal);
_mm_storeu_si128((__m128i *) (dst + SSE_LEN_INT32), curVal2);
}
if (((uintptr_t)(const void *) (dst) % SSE_LEN_BYTES) == 0) {
for (int i = 2 * SSE_LEN_FLOAT; i < stop_len; i += 2 * SSE_LEN_INT32) {
curVal = _mm_add_epi32(curVal, slope8_vec);
_mm_store_si128((__m128i *) (dst + i), curVal);
curVal2 = _mm_add_epi32(curVal2, slope8_vec);
_mm_store_si128((__m128i *) (dst + i + SSE_LEN_INT32), curVal2);
}
} else {
for (int i = 2 * SSE_LEN_FLOAT; i < stop_len; i += 2 * SSE_LEN_INT32) {
curVal = _mm_add_epi32(curVal, slope8_vec);
_mm_storeu_si128((__m128i *) (dst + i), curVal);
curVal2 = _mm_add_epi32(curVal2, slope8_vec);
_mm_storeu_si128((__m128i *) (dst + i + SSE_LEN_INT32), curVal2);
}
}
for (int i = stop_len; i < len; i++) {
dst[i] = offset + slope * i;
}
}
static inline void sum128s(int32_t *src, int32_t *dst, int len)
{
int stop_len = len / (2 * SSE_LEN_INT32);
stop_len *= (2 * SSE_LEN_INT32);
__attribute__((aligned(SSE_LEN_BYTES))) int32_t accumulate[SSE_LEN_INT32] = {0, 0, 0, 0};
int32_t tmp_acc = 0;
v4si vec_acc1 = _mm_setzero_si128(); //initialize the vector accumulator
v4si vec_acc2 = _mm_setzero_si128(); //initialize the vector accumulator
if (areAligned2((uintptr_t)(src), (uintptr_t)(dst), SSE_LEN_BYTES)) {
for (int i = 0; i < stop_len; i += 2 * SSE_LEN_INT32) {
v4si vec_tmp1 = _mm_load_si128((__m128i *) (src + i));
vec_acc1 = _mm_add_epi32(vec_acc1, vec_tmp1);
v4si vec_tmp2 = _mm_load_si128((__m128i *) (src + i + SSE_LEN_INT32));
vec_acc2 = _mm_add_epi32(vec_acc2, vec_tmp2);
}
} else {
for (int i = 0; i < stop_len; i += 2 * SSE_LEN_INT32) {
v4si vec_tmp1 = _mm_loadu_si128((__m128i *) (src + i));
vec_acc1 = _mm_add_epi32(vec_acc1, vec_tmp1);
v4si vec_tmp2 = _mm_load_si128((__m128i *) (src + i + SSE_LEN_INT32));
vec_acc2 = _mm_add_epi32(vec_acc2, vec_tmp2);
}
}
vec_acc1 = _mm_add_epi32(vec_acc1, vec_acc2);
_mm_store_si128((__m128i *) accumulate, vec_acc1);
for (int i = stop_len; i < len; i++) {
tmp_acc += src[i];
}
tmp_acc = tmp_acc + accumulate[0] + accumulate[1] + accumulate[2] + accumulate[3];
*dst = tmp_acc;
}
// Experimental
static inline void copy128s(int32_t *src, int32_t *dst, int len)
{
int stop_len = len / SSE_LEN_INT32;
stop_len *= SSE_LEN_INT32;
#ifdef OMP
#pragma omp parallel for schedule(auto)
#endif
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_store_si128((__m128i *) (dst + i), _mm_load_si128((__m128i *) (src + i)));
}
for (int i = stop_len; i < len; i++) {
dst[i] = src[i];
}
}
static inline void copy128s_2(int32_t *src, int32_t *dst, int len)
{
int stop_len = len / (2 * SSE_LEN_INT32);
stop_len *= (2 * SSE_LEN_INT32);
#ifdef OMP
#pragma omp parallel for schedule(auto)
#endif
for (int i = 0; i < stop_len; i += 2 * SSE_LEN_INT32) {
__m128i tmp1 = _mm_load_si128((__m128i *) (src + i));
__m128i tmp2 = _mm_load_si128((__m128i *) (src + i + SSE_LEN_INT32));
_mm_store_si128((__m128i *) (dst + i), tmp1);
_mm_store_si128((__m128i *) (dst + i + SSE_LEN_INT32), tmp2);
}
for (int i = stop_len; i < len; i++) {
dst[i] = src[i];
}
}
static inline void fast_copy128s(int32_t *src, int32_t *dst, int len)
{
int stop_len = len / SSE_LEN_INT32;
stop_len *= SSE_LEN_INT32;
#ifdef OMP
#pragma omp parallel for schedule(auto)
#endif
for (int i = 0; i < stop_len; i += SSE_LEN_INT32) {
_mm_stream_si128((__m128i *) (dst + i), _mm_stream_load_si128((__m128i *) (src + i)));
}
_mm_mfence();
for (int i = stop_len; i < len; i++) {
dst[i] = src[i];
}
}
static inline void fast_copy128s_2(int32_t *src, int32_t *dst, int len)
{
int stop_len = len / (2 * SSE_LEN_INT32);
stop_len *= (2 * SSE_LEN_INT32);
#ifdef OMP
#pragma omp parallel for schedule(auto)
#endif
for (int i = 0; i < stop_len; i += 2 * SSE_LEN_INT32) {
__m128i tmp1 = _mm_stream_load_si128((__m128i *) (src + i));
__m128i tmp2 = _mm_stream_load_si128((__m128i *) (src + i + SSE_LEN_INT32));
_mm_stream_si128((__m128i *) (dst + i), tmp1);
_mm_stream_si128((__m128i *) (dst + i + SSE_LEN_INT32), tmp2);
}
_mm_mfence();
for (int i = stop_len; i < len; i++) {
dst[i] = src[i];
}
}
static inline void fast_copy128s_4(int32_t *src, int32_t *dst, int len)
{
int stop_len = len / (4 * SSE_LEN_INT32);
stop_len *= (4 * SSE_LEN_INT32);
#ifdef OMP
#pragma omp parallel for schedule(auto)
#endif
for (int i = 0; i < stop_len; i += 4 * SSE_LEN_INT32) {
__m128i tmp1 = _mm_stream_load_si128((__m128i *) (src + i));
__m128i tmp2 = _mm_stream_load_si128((__m128i *) (src + i + SSE_LEN_INT32));
__m128i tmp3 = _mm_stream_load_si128((__m128i *) (src + i + 2 * SSE_LEN_INT32));
__m128i tmp4 = _mm_stream_load_si128((__m128i *) (src + i + 3 * SSE_LEN_INT32));
_mm_stream_si128((__m128i *) (dst + i), tmp1);
_mm_stream_si128((__m128i *) (dst + i + SSE_LEN_INT32), tmp2);
_mm_stream_si128((__m128i *) (dst + i + 2 * SSE_LEN_INT32), tmp3);
_mm_stream_si128((__m128i *) (dst + i + 3 * SSE_LEN_INT32), tmp4);
}
_mm_mfence();
for (int i = stop_len; i < len; i++) {
dst[i] = src[i];
}
}