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audioconvert: add avx optimizations

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This commit is contained in:
Wim Taymans 2019-03-28 16:45:57 +01:00
parent 7f041f4098
commit e7ef13e310
11 changed files with 180 additions and 47 deletions
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25
spa/plugins/audioconvert/resample-native-sse.c
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@ -30,9 +30,30 @@ static void inner_product_sse(float *d, const float * SPA_RESTRICT s,
const float * SPA_RESTRICT taps, uint32_t n_taps)
{
__m128 sum = _mm_setzero_ps();
uint32_t i;
uint32_t i = 0;
#if 0
uint32_t unrolled = n_taps & ~15;
for (i = 0; i < n_taps; i += 8) {
for (i = 0; i < unrolled; i += 16) {
sum = _mm_add_ps(sum,
_mm_mul_ps(
_mm_loadu_ps(s + i + 0),
_mm_load_ps(taps + i + 0)));
sum = _mm_add_ps(sum,
_mm_mul_ps(
_mm_loadu_ps(s + i + 4),
_mm_load_ps(taps + i + 4)));
sum = _mm_add_ps(sum,
_mm_mul_ps(
_mm_loadu_ps(s + i + 8),
_mm_load_ps(taps + i + 8)));
sum = _mm_add_ps(sum,
_mm_mul_ps(
_mm_loadu_ps(s + i + 12),
_mm_load_ps(taps + i + 12)));
}
#endif
for (; i < n_taps; i += 8) {
sum = _mm_add_ps(sum,
_mm_mul_ps(
_mm_loadu_ps(s + i + 0),