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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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88
spa/plugins/audioconvert/resample-native-avx.c Normal file
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/* Spa
*
* Copyright © 2019 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "resample-native-impl.h"
#include <immintrin.h>
static void inner_product_avx(float *d, const float * SPA_RESTRICT s,
const float * SPA_RESTRICT taps, uint32_t n_taps)
{
__m256 sy[2] = { _mm256_setzero_ps(), _mm256_setzero_ps() };
__m128 sx[2];
uint32_t i, n_taps4 = n_taps & ~0xf;
for (i = 0; i < n_taps4; i += 16) {
sy[0] = _mm256_fmadd_ps(_mm256_loadu_ps(s + i + 0), _mm256_load_ps(taps + i + 0), sy[0]);
sy[1] = _mm256_fmadd_ps(_mm256_loadu_ps(s + i + 8), _mm256_load_ps(taps + i + 8), sy[1]);
}
sy[0] = _mm256_add_ps(sy[0], sy[1]);
sx[0] = _mm256_extractf128_ps(sy[0], 0);
sx[1] = _mm256_extractf128_ps(sy[0], 1);
for (; i < n_taps; i += 8) {
sx[0] = _mm_fmadd_ps(_mm_loadu_ps(s + i + 0), _mm_load_ps(taps + i + 0), sx[0]);
sx[1] = _mm_fmadd_ps(_mm_loadu_ps(s + i + 4), _mm_load_ps(taps + i + 4), sx[1]);
}
sx[0] = _mm_add_ps(sx[0], sx[1]);
sx[0] = _mm_hadd_ps(sx[0], sx[0]);
sx[0] = _mm_hadd_ps(sx[0], sx[0]);
_mm_store_ss(d, sx[0]);
}
static void inner_product_ip_avx(float *d, const float * SPA_RESTRICT s,
const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
uint32_t n_taps)
{
__m256 sy[2] = { _mm256_setzero_ps(), _mm256_setzero_ps() }, ty;
__m128 sx[2], tx;
uint32_t i, n_taps4 = n_taps & ~0xf;
for (i = 0; i < n_taps4; i += 16) {
ty = _mm256_loadu_ps(s + i + 0);
sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 0), sy[0]);
sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 0), sy[1]);
ty = _mm256_loadu_ps(s + i + 8);
sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 8), sy[0]);
sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 8), sy[1]);
}
sy[0] = _mm256_add_ps(sy[0], sy[1]);
sx[0] = _mm256_extractf128_ps(sy[0], 0);
sx[1] = _mm256_extractf128_ps(sy[0], 1);
for (; i < n_taps; i += 8) {
tx = _mm_loadu_ps(s + i + 0);
sx[0] = _mm_fmadd_ps(tx, _mm_load_ps(t0 + i + 0), sx[0]);
sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(t1 + i + 0), sx[1]);
tx = _mm_loadu_ps(s + i + 4);
sx[0] = _mm_fmadd_ps(tx, _mm_load_ps(t0 + i + 4), sx[0]);
sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(t1 + i + 4), sx[1]);
}
sx[1] = _mm_mul_ps(_mm_sub_ps(sx[1], sx[0]), _mm_load1_ps(&x));
sx[0] = _mm_add_ps(sx[0], sx[1]);
sx[0] = _mm_hadd_ps(sx[0], sx[0]);
sx[0] = _mm_hadd_ps(sx[0], sx[0]);
_mm_store_ss(d, sx[0]);
}
MAKE_RESAMPLER_FULL(avx);
MAKE_RESAMPLER_INTER(avx);