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250 lines
8.9 KiB
C
250 lines
8.9 KiB
C
/*
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* Copyright (c) 2018, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <smmintrin.h>
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#include <immintrin.h>
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#include "config/aom_dsp_rtcd.h"
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#include "aom_ports/mem.h"
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#include "aom_dsp/x86/synonyms.h"
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#include "aom_dsp/x86/synonyms_avx2.h"
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static INLINE void sse_w32_avx2(__m256i *sum, const uint8_t *a,
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const uint8_t *b) {
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const __m256i v_a0 = yy_loadu_256(a);
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const __m256i v_b0 = yy_loadu_256(b);
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const __m256i v_a00_w = _mm256_cvtepu8_epi16(_mm256_castsi256_si128(v_a0));
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const __m256i v_a01_w =
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_mm256_cvtepu8_epi16(_mm256_extracti128_si256(v_a0, 1));
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const __m256i v_b00_w = _mm256_cvtepu8_epi16(_mm256_castsi256_si128(v_b0));
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const __m256i v_b01_w =
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_mm256_cvtepu8_epi16(_mm256_extracti128_si256(v_b0, 1));
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const __m256i v_d00_w = _mm256_sub_epi16(v_a00_w, v_b00_w);
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const __m256i v_d01_w = _mm256_sub_epi16(v_a01_w, v_b01_w);
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*sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d00_w, v_d00_w));
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*sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d01_w, v_d01_w));
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}
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static INLINE int64_t summary_all_avx2(const __m256i *sum_all) {
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int64_t sum;
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const __m256i sum0_4x64 =
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_mm256_cvtepu32_epi64(_mm256_castsi256_si128(*sum_all));
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const __m256i sum1_4x64 =
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_mm256_cvtepu32_epi64(_mm256_extracti128_si256(*sum_all, 1));
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const __m256i sum_4x64 = _mm256_add_epi64(sum0_4x64, sum1_4x64);
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const __m128i sum_2x64 = _mm_add_epi64(_mm256_castsi256_si128(sum_4x64),
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_mm256_extracti128_si256(sum_4x64, 1));
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const __m128i sum_1x64 = _mm_add_epi64(sum_2x64, _mm_srli_si128(sum_2x64, 8));
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xx_storel_64(&sum, sum_1x64);
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return sum;
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}
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int64_t aom_sse_avx2(const uint8_t *a, int a_stride, const uint8_t *b,
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int b_stride, int width, int height) {
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int32_t y = 0;
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int64_t sse = 0;
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__m256i sum = _mm256_setzero_si256();
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switch (width) {
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case 4:
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do {
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const __m128i v_a0 = xx_loadl_32(a);
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const __m128i v_a1 = xx_loadl_32(a + a_stride);
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const __m128i v_a2 = xx_loadl_32(a + a_stride * 2);
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const __m128i v_a3 = xx_loadl_32(a + a_stride * 3);
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const __m128i v_b0 = xx_loadl_32(b);
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const __m128i v_b1 = xx_loadl_32(b + b_stride);
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const __m128i v_b2 = xx_loadl_32(b + b_stride * 2);
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const __m128i v_b3 = xx_loadl_32(b + b_stride * 3);
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const __m128i v_a0123 = _mm_unpacklo_epi64(
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_mm_unpacklo_epi32(v_a0, v_a1), _mm_unpacklo_epi32(v_a2, v_a3));
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const __m128i v_b0123 = _mm_unpacklo_epi64(
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_mm_unpacklo_epi32(v_b0, v_b1), _mm_unpacklo_epi32(v_b2, v_b3));
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const __m256i v_a_w = _mm256_cvtepu8_epi16(v_a0123);
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const __m256i v_b_w = _mm256_cvtepu8_epi16(v_b0123);
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const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w);
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sum = _mm256_add_epi32(sum, _mm256_madd_epi16(v_d_w, v_d_w));
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a += a_stride << 2;
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b += b_stride << 2;
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y += 4;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 8:
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do {
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const __m128i v_a0 = xx_loadl_64(a);
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const __m128i v_a1 = xx_loadl_64(a + a_stride);
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const __m128i v_b0 = xx_loadl_64(b);
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const __m128i v_b1 = xx_loadl_64(b + b_stride);
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const __m256i v_a_w =
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_mm256_cvtepu8_epi16(_mm_unpacklo_epi64(v_a0, v_a1));
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const __m256i v_b_w =
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_mm256_cvtepu8_epi16(_mm_unpacklo_epi64(v_b0, v_b1));
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const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w);
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sum = _mm256_add_epi32(sum, _mm256_madd_epi16(v_d_w, v_d_w));
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a += a_stride << 1;
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b += b_stride << 1;
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y += 2;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 16:
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do {
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const __m128i v_a0 = xx_loadu_128(a);
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const __m128i v_b0 = xx_loadu_128(b);
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const __m256i v_a_w = _mm256_cvtepu8_epi16(v_a0);
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const __m256i v_b_w = _mm256_cvtepu8_epi16(v_b0);
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const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w);
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sum = _mm256_add_epi32(sum, _mm256_madd_epi16(v_d_w, v_d_w));
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 32:
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do {
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sse_w32_avx2(&sum, a, b);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 64:
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do {
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sse_w32_avx2(&sum, a, b);
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sse_w32_avx2(&sum, a + 32, b + 32);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 128:
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do {
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sse_w32_avx2(&sum, a, b);
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sse_w32_avx2(&sum, a + 32, b + 32);
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sse_w32_avx2(&sum, a + 64, b + 64);
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sse_w32_avx2(&sum, a + 96, b + 96);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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default: break;
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}
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return sse;
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}
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static INLINE void highbd_sse_w16_avx2(__m256i *sum, const uint16_t *a,
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const uint16_t *b) {
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const __m256i v_a_w = yy_loadu_256(a);
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const __m256i v_b_w = yy_loadu_256(b);
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const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w);
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*sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d_w, v_d_w));
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}
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int64_t aom_highbd_sse_avx2(const uint8_t *a8, int a_stride, const uint8_t *b8,
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int b_stride, int width, int height) {
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int32_t y = 0;
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int64_t sse = 0;
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uint16_t *a = CONVERT_TO_SHORTPTR(a8);
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uint16_t *b = CONVERT_TO_SHORTPTR(b8);
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__m256i sum = _mm256_setzero_si256();
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switch (width) {
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case 4:
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do {
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const __m128i v_a0 = xx_loadl_64(a);
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const __m128i v_a1 = xx_loadl_64(a + a_stride);
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const __m128i v_a2 = xx_loadl_64(a + a_stride * 2);
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const __m128i v_a3 = xx_loadl_64(a + a_stride * 3);
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const __m128i v_b0 = xx_loadl_64(b);
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const __m128i v_b1 = xx_loadl_64(b + b_stride);
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const __m128i v_b2 = xx_loadl_64(b + b_stride * 2);
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const __m128i v_b3 = xx_loadl_64(b + b_stride * 3);
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const __m256i v_a_w = yy_set_m128i(_mm_unpacklo_epi64(v_a0, v_a1),
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_mm_unpacklo_epi64(v_a2, v_a3));
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const __m256i v_b_w = yy_set_m128i(_mm_unpacklo_epi64(v_b0, v_b1),
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_mm_unpacklo_epi64(v_b2, v_b3));
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const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w);
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sum = _mm256_add_epi32(sum, _mm256_madd_epi16(v_d_w, v_d_w));
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a += a_stride << 2;
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b += b_stride << 2;
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y += 4;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 8:
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do {
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const __m256i v_a_w = yy_loadu2_128(a + a_stride, a);
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const __m256i v_b_w = yy_loadu2_128(b + b_stride, b);
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const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w);
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sum = _mm256_add_epi32(sum, _mm256_madd_epi16(v_d_w, v_d_w));
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a += a_stride << 1;
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b += b_stride << 1;
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y += 2;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 16:
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do {
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highbd_sse_w16_avx2(&sum, a, b);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 32:
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do {
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highbd_sse_w16_avx2(&sum, a, b);
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highbd_sse_w16_avx2(&sum, a + 16, b + 16);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 64:
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do {
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highbd_sse_w16_avx2(&sum, a, b);
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highbd_sse_w16_avx2(&sum, a + 16 * 1, b + 16 * 1);
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highbd_sse_w16_avx2(&sum, a + 16 * 2, b + 16 * 2);
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highbd_sse_w16_avx2(&sum, a + 16 * 3, b + 16 * 3);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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case 128:
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do {
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highbd_sse_w16_avx2(&sum, a, b);
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highbd_sse_w16_avx2(&sum, a + 16 * 1, b + 16 * 1);
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highbd_sse_w16_avx2(&sum, a + 16 * 2, b + 16 * 2);
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highbd_sse_w16_avx2(&sum, a + 16 * 3, b + 16 * 3);
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highbd_sse_w16_avx2(&sum, a + 16 * 4, b + 16 * 4);
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highbd_sse_w16_avx2(&sum, a + 16 * 5, b + 16 * 5);
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highbd_sse_w16_avx2(&sum, a + 16 * 6, b + 16 * 6);
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highbd_sse_w16_avx2(&sum, a + 16 * 7, b + 16 * 7);
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a += a_stride;
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b += b_stride;
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y += 1;
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} while (y < height);
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sse = summary_all_avx2(&sum);
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break;
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default: break;
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}
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return sse;
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}
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