diff options
Diffstat (limited to 'third_party/aom/av1/encoder/x86/pickrst_avx2.c')
-rw-r--r-- | third_party/aom/av1/encoder/x86/pickrst_avx2.c | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/pickrst_avx2.c b/third_party/aom/av1/encoder/x86/pickrst_avx2.c new file mode 100644 index 000000000..06aaaa7ee --- /dev/null +++ b/third_party/aom/av1/encoder/x86/pickrst_avx2.c @@ -0,0 +1,403 @@ +/* + * Copyright (c) 2018, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <immintrin.h> // AVX2 +#include "aom_dsp/x86/synonyms.h" +#include "aom_dsp/x86/synonyms_avx2.h" +#include "aom_dsp/x86/transpose_sse2.h" + +#include "config/av1_rtcd.h" +#include "av1/common/restoration.h" +#include "av1/encoder/pickrst.h" + +static INLINE void acc_stat_avx2(int32_t *dst, const uint8_t *src, + const __m128i *shuffle, const __m256i *kl) { + const __m128i s = _mm_shuffle_epi8(xx_loadu_128(src), *shuffle); + const __m256i d0 = _mm256_madd_epi16(*kl, _mm256_cvtepu8_epi16(s)); + const __m256i dst0 = yy_loadu_256(dst); + const __m256i r0 = _mm256_add_epi32(dst0, d0); + yy_storeu_256(dst, r0); +} + +static INLINE void acc_stat_win7_one_line_avx2( + const uint8_t *dgd, const uint8_t *src, int h_start, int h_end, + int dgd_stride, const __m128i *shuffle, int32_t *sumX, + int32_t sumY[WIENER_WIN][WIENER_WIN], int32_t M_int[WIENER_WIN][WIENER_WIN], + int32_t H_int[WIENER_WIN2][WIENER_WIN * 8]) { + int j, k, l; + const int wiener_win = WIENER_WIN; + for (j = h_start; j < h_end; j += 2) { + const uint8_t X1 = src[j]; + const uint8_t X2 = src[j + 1]; + *sumX += X1 + X2; + const uint8_t *dgd_ij = dgd + j; + for (k = 0; k < wiener_win; k++) { + const uint8_t *dgd_ijk = dgd_ij + k * dgd_stride; + for (l = 0; l < wiener_win; l++) { + int32_t *H_ = &H_int[(l * wiener_win + k)][0]; + const uint8_t D1 = dgd_ijk[l]; + const uint8_t D2 = dgd_ijk[l + 1]; + sumY[k][l] += D1 + D2; + M_int[k][l] += D1 * X1 + D2 * X2; + + const __m256i kl = + _mm256_cvtepu8_epi16(_mm_set1_epi16(*((uint16_t *)(dgd_ijk + l)))); + acc_stat_avx2(H_ + 0 * 8, dgd_ij + 0 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 1 * 8, dgd_ij + 1 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 2 * 8, dgd_ij + 2 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 3 * 8, dgd_ij + 3 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 4 * 8, dgd_ij + 4 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 5 * 8, dgd_ij + 5 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 6 * 8, dgd_ij + 6 * dgd_stride, shuffle, &kl); + } + } + } +} + +static INLINE void compute_stats_win7_opt_avx2( + const uint8_t *dgd, const uint8_t *src, int h_start, int h_end, int v_start, + int v_end, int dgd_stride, int src_stride, double *M, double *H) { + int i, j, k, l, m, n; + const int wiener_win = WIENER_WIN; + const int pixel_count = (h_end - h_start) * (v_end - v_start); + const int wiener_win2 = wiener_win * wiener_win; + const int wiener_halfwin = (wiener_win >> 1); + const double avg = + find_average(dgd, h_start, h_end, v_start, v_end, dgd_stride); + + int32_t M_int32[WIENER_WIN][WIENER_WIN] = { { 0 } }; + int64_t M_int64[WIENER_WIN][WIENER_WIN] = { { 0 } }; + int32_t H_int32[WIENER_WIN2][WIENER_WIN * 8] = { { 0 } }; + int64_t H_int64[WIENER_WIN2][WIENER_WIN * 8] = { { 0 } }; + int32_t sumY[WIENER_WIN][WIENER_WIN] = { { 0 } }; + int32_t sumX = 0; + const uint8_t *dgd_win = dgd - wiener_halfwin * dgd_stride - wiener_halfwin; + + const __m128i shuffle = xx_loadu_128(g_shuffle_stats_data); + for (j = v_start; j < v_end; j += 64) { + const int vert_end = AOMMIN(64, v_end - j) + j; + for (i = j; i < vert_end; i++) { + acc_stat_win7_one_line_avx2( + dgd_win + i * dgd_stride, src + i * src_stride, h_start, h_end, + dgd_stride, &shuffle, &sumX, sumY, M_int32, H_int32); + } + for (k = 0; k < wiener_win; ++k) { + for (l = 0; l < wiener_win; ++l) { + M_int64[k][l] += M_int32[k][l]; + M_int32[k][l] = 0; + } + } + for (k = 0; k < WIENER_WIN2; ++k) { + for (l = 0; l < WIENER_WIN * 8; ++l) { + H_int64[k][l] += H_int32[k][l]; + H_int32[k][l] = 0; + } + } + } + + const double avg_square_sum = avg * avg * pixel_count; + for (k = 0; k < wiener_win; k++) { + for (l = 0; l < wiener_win; l++) { + const int32_t idx0 = l * wiener_win + k; + M[idx0] = M_int64[k][l] + avg_square_sum - avg * (sumX + sumY[k][l]); + double *H_ = H + idx0 * wiener_win2; + int64_t *H_int_ = &H_int64[idx0][0]; + for (m = 0; m < wiener_win; m++) { + for (n = 0; n < wiener_win; n++) { + H_[m * wiener_win + n] = H_int_[n * 8 + m] + avg_square_sum - + avg * (sumY[k][l] + sumY[n][m]); + } + } + } + } +} + +static INLINE void acc_stat_win5_one_line_avx2( + const uint8_t *dgd, const uint8_t *src, int h_start, int h_end, + int dgd_stride, const __m128i *shuffle, int32_t *sumX, + int32_t sumY[WIENER_WIN_CHROMA][WIENER_WIN_CHROMA], + int32_t M_int[WIENER_WIN_CHROMA][WIENER_WIN_CHROMA], + int32_t H_int[WIENER_WIN2_CHROMA][WIENER_WIN_CHROMA * 8]) { + int j, k, l; + const int wiener_win = WIENER_WIN_CHROMA; + for (j = h_start; j < h_end; j += 2) { + const uint8_t X1 = src[j]; + const uint8_t X2 = src[j + 1]; + *sumX += X1 + X2; + const uint8_t *dgd_ij = dgd + j; + for (k = 0; k < wiener_win; k++) { + const uint8_t *dgd_ijk = dgd_ij + k * dgd_stride; + for (l = 0; l < wiener_win; l++) { + int32_t *H_ = &H_int[(l * wiener_win + k)][0]; + const uint8_t D1 = dgd_ijk[l]; + const uint8_t D2 = dgd_ijk[l + 1]; + sumY[k][l] += D1 + D2; + M_int[k][l] += D1 * X1 + D2 * X2; + + const __m256i kl = + _mm256_cvtepu8_epi16(_mm_set1_epi16(*((uint16_t *)(dgd_ijk + l)))); + acc_stat_avx2(H_ + 0 * 8, dgd_ij + 0 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 1 * 8, dgd_ij + 1 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 2 * 8, dgd_ij + 2 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 3 * 8, dgd_ij + 3 * dgd_stride, shuffle, &kl); + acc_stat_avx2(H_ + 4 * 8, dgd_ij + 4 * dgd_stride, shuffle, &kl); + } + } + } +} + +static INLINE void compute_stats_win5_opt_avx2( + const uint8_t *dgd, const uint8_t *src, int h_start, int h_end, int v_start, + int v_end, int dgd_stride, int src_stride, double *M, double *H) { + int i, j, k, l, m, n; + const int wiener_win = WIENER_WIN_CHROMA; + const int pixel_count = (h_end - h_start) * (v_end - v_start); + const int wiener_win2 = wiener_win * wiener_win; + const int wiener_halfwin = (wiener_win >> 1); + const double avg = + find_average(dgd, h_start, h_end, v_start, v_end, dgd_stride); + + int32_t M_int32[WIENER_WIN_CHROMA][WIENER_WIN_CHROMA] = { { 0 } }; + int64_t M_int64[WIENER_WIN_CHROMA][WIENER_WIN_CHROMA] = { { 0 } }; + int32_t H_int32[WIENER_WIN2_CHROMA][WIENER_WIN_CHROMA * 8] = { { 0 } }; + int64_t H_int64[WIENER_WIN2_CHROMA][WIENER_WIN_CHROMA * 8] = { { 0 } }; + int32_t sumY[WIENER_WIN_CHROMA][WIENER_WIN_CHROMA] = { { 0 } }; + int32_t sumX = 0; + const uint8_t *dgd_win = dgd - wiener_halfwin * dgd_stride - wiener_halfwin; + + const __m128i shuffle = xx_loadu_128(g_shuffle_stats_data); + for (j = v_start; j < v_end; j += 64) { + const int vert_end = AOMMIN(64, v_end - j) + j; + for (i = j; i < vert_end; i++) { + acc_stat_win5_one_line_avx2( + dgd_win + i * dgd_stride, src + i * src_stride, h_start, h_end, + dgd_stride, &shuffle, &sumX, sumY, M_int32, H_int32); + } + for (k = 0; k < wiener_win; ++k) { + for (l = 0; l < wiener_win; ++l) { + M_int64[k][l] += M_int32[k][l]; + M_int32[k][l] = 0; + } + } + for (k = 0; k < WIENER_WIN2_CHROMA; ++k) { + for (l = 0; l < WIENER_WIN_CHROMA * 8; ++l) { + H_int64[k][l] += H_int32[k][l]; + H_int32[k][l] = 0; + } + } + } + + const double avg_square_sum = avg * avg * pixel_count; + for (k = 0; k < wiener_win; k++) { + for (l = 0; l < wiener_win; l++) { + const int32_t idx0 = l * wiener_win + k; + M[idx0] = M_int64[k][l] + avg_square_sum - avg * (sumX + sumY[k][l]); + double *H_ = H + idx0 * wiener_win2; + int64_t *H_int_ = &H_int64[idx0][0]; + for (m = 0; m < wiener_win; m++) { + for (n = 0; n < wiener_win; n++) { + H_[m * wiener_win + n] = H_int_[n * 8 + m] + avg_square_sum - + avg * (sumY[k][l] + sumY[n][m]); + } + } + } + } +} + +void av1_compute_stats_avx2(int wiener_win, const uint8_t *dgd, + const uint8_t *src, int h_start, int h_end, + int v_start, int v_end, int dgd_stride, + int src_stride, double *M, double *H) { + if (wiener_win == WIENER_WIN) { + compute_stats_win7_opt_avx2(dgd, src, h_start, h_end, v_start, v_end, + dgd_stride, src_stride, M, H); + } else if (wiener_win == WIENER_WIN_CHROMA) { + compute_stats_win5_opt_avx2(dgd, src, h_start, h_end, v_start, v_end, + dgd_stride, src_stride, M, H); + } else { + av1_compute_stats_c(wiener_win, dgd, src, h_start, h_end, v_start, v_end, + dgd_stride, src_stride, M, H); + } +} + +static INLINE __m256i pair_set_epi16(uint16_t a, uint16_t b) { + return _mm256_set1_epi32( + (int32_t)(((uint16_t)(a)) | (((uint32_t)(b)) << 16))); +} + +int64_t av1_lowbd_pixel_proj_error_avx2( + const uint8_t *src8, int width, int height, int src_stride, + const uint8_t *dat8, int dat_stride, int32_t *flt0, int flt0_stride, + int32_t *flt1, int flt1_stride, int xq[2], const sgr_params_type *params) { + int i, j, k; + const int32_t shift = SGRPROJ_RST_BITS + SGRPROJ_PRJ_BITS; + const __m256i rounding = _mm256_set1_epi32(1 << (shift - 1)); + __m256i sum64 = _mm256_setzero_si256(); + const uint8_t *src = src8; + const uint8_t *dat = dat8; + int64_t err = 0; + if (params->r[0] > 0 && params->r[1] > 0) { + __m256i xq_coeff = pair_set_epi16(xq[0], xq[1]); + for (i = 0; i < height; ++i) { + __m256i sum32 = _mm256_setzero_si256(); + for (j = 0; j <= width - 16; j += 16) { + const __m256i d0 = _mm256_cvtepu8_epi16(xx_loadu_128(dat + j)); + const __m256i s0 = _mm256_cvtepu8_epi16(xx_loadu_128(src + j)); + const __m256i flt0_16b = _mm256_permute4x64_epi64( + _mm256_packs_epi32(yy_loadu_256(flt0 + j), + yy_loadu_256(flt0 + j + 8)), + 0xd8); + const __m256i flt1_16b = _mm256_permute4x64_epi64( + _mm256_packs_epi32(yy_loadu_256(flt1 + j), + yy_loadu_256(flt1 + j + 8)), + 0xd8); + const __m256i u0 = _mm256_slli_epi16(d0, SGRPROJ_RST_BITS); + const __m256i flt0_0_sub_u = _mm256_sub_epi16(flt0_16b, u0); + const __m256i flt1_0_sub_u = _mm256_sub_epi16(flt1_16b, u0); + const __m256i v0 = _mm256_madd_epi16( + xq_coeff, _mm256_unpacklo_epi16(flt0_0_sub_u, flt1_0_sub_u)); + const __m256i v1 = _mm256_madd_epi16( + xq_coeff, _mm256_unpackhi_epi16(flt0_0_sub_u, flt1_0_sub_u)); + const __m256i vr0 = + _mm256_srai_epi32(_mm256_add_epi32(v0, rounding), shift); + const __m256i vr1 = + _mm256_srai_epi32(_mm256_add_epi32(v1, rounding), shift); + const __m256i e0 = _mm256_sub_epi16( + _mm256_add_epi16(_mm256_packs_epi32(vr0, vr1), d0), s0); + const __m256i err0 = _mm256_madd_epi16(e0, e0); + sum32 = _mm256_add_epi32(sum32, err0); + } + for (k = j; k < width; ++k) { + const int32_t u = (int32_t)(dat[k] << SGRPROJ_RST_BITS); + int32_t v = xq[0] * (flt0[k] - u) + xq[1] * (flt1[k] - u); + const int32_t e = ROUND_POWER_OF_TWO(v, shift) + dat[k] - src[k]; + err += e * e; + } + dat += dat_stride; + src += src_stride; + flt0 += flt0_stride; + flt1 += flt1_stride; + const __m256i sum64_0 = + _mm256_cvtepi32_epi64(_mm256_castsi256_si128(sum32)); + const __m256i sum64_1 = + _mm256_cvtepi32_epi64(_mm256_extracti128_si256(sum32, 1)); + sum64 = _mm256_add_epi64(sum64, sum64_0); + sum64 = _mm256_add_epi64(sum64, sum64_1); + } + } else if (params->r[0] > 0) { + __m256i xq_coeff = + pair_set_epi16(xq[0], (-xq[0] * (1 << SGRPROJ_RST_BITS))); + for (i = 0; i < height; ++i) { + __m256i sum32 = _mm256_setzero_si256(); + for (j = 0; j <= width - 16; j += 16) { + const __m256i d0 = _mm256_cvtepu8_epi16(xx_loadu_128(dat + j)); + const __m256i s0 = _mm256_cvtepu8_epi16(xx_loadu_128(src + j)); + const __m256i flt0_16b = _mm256_permute4x64_epi64( + _mm256_packs_epi32(yy_loadu_256(flt0 + j), + yy_loadu_256(flt0 + j + 8)), + 0xd8); + const __m256i v0 = + _mm256_madd_epi16(xq_coeff, _mm256_unpacklo_epi16(flt0_16b, d0)); + const __m256i v1 = + _mm256_madd_epi16(xq_coeff, _mm256_unpackhi_epi16(flt0_16b, d0)); + const __m256i vr0 = + _mm256_srai_epi32(_mm256_add_epi32(v0, rounding), shift); + const __m256i vr1 = + _mm256_srai_epi32(_mm256_add_epi32(v1, rounding), shift); + const __m256i e0 = _mm256_sub_epi16( + _mm256_add_epi16(_mm256_packs_epi32(vr0, vr1), d0), s0); + const __m256i err0 = _mm256_madd_epi16(e0, e0); + sum32 = _mm256_add_epi32(sum32, err0); + } + for (k = j; k < width; ++k) { + const int32_t u = (int32_t)(dat[k] << SGRPROJ_RST_BITS); + int32_t v = xq[0] * (flt0[k] - u); + const int32_t e = ROUND_POWER_OF_TWO(v, shift) + dat[k] - src[k]; + err += e * e; + } + dat += dat_stride; + src += src_stride; + flt0 += flt0_stride; + const __m256i sum64_0 = + _mm256_cvtepi32_epi64(_mm256_castsi256_si128(sum32)); + const __m256i sum64_1 = + _mm256_cvtepi32_epi64(_mm256_extracti128_si256(sum32, 1)); + sum64 = _mm256_add_epi64(sum64, sum64_0); + sum64 = _mm256_add_epi64(sum64, sum64_1); + } + } else if (params->r[1] > 0) { + __m256i xq_coeff = pair_set_epi16(xq[1], -(xq[1] << SGRPROJ_RST_BITS)); + for (i = 0; i < height; ++i) { + __m256i sum32 = _mm256_setzero_si256(); + for (j = 0; j <= width - 16; j += 16) { + const __m256i d0 = _mm256_cvtepu8_epi16(xx_loadu_128(dat + j)); + const __m256i s0 = _mm256_cvtepu8_epi16(xx_loadu_128(src + j)); + const __m256i flt1_16b = _mm256_permute4x64_epi64( + _mm256_packs_epi32(yy_loadu_256(flt1 + j), + yy_loadu_256(flt1 + j + 8)), + 0xd8); + const __m256i v0 = + _mm256_madd_epi16(xq_coeff, _mm256_unpacklo_epi16(flt1_16b, d0)); + const __m256i v1 = + _mm256_madd_epi16(xq_coeff, _mm256_unpackhi_epi16(flt1_16b, d0)); + const __m256i vr0 = + _mm256_srai_epi32(_mm256_add_epi32(v0, rounding), shift); + const __m256i vr1 = + _mm256_srai_epi32(_mm256_add_epi32(v1, rounding), shift); + const __m256i e0 = _mm256_sub_epi16( + _mm256_add_epi16(_mm256_packs_epi32(vr0, vr1), d0), s0); + const __m256i err0 = _mm256_madd_epi16(e0, e0); + sum32 = _mm256_add_epi32(sum32, err0); + } + for (k = j; k < width; ++k) { + const int32_t u = (int32_t)(dat[k] << SGRPROJ_RST_BITS); + int32_t v = xq[1] * (flt1[k] - u); + const int32_t e = ROUND_POWER_OF_TWO(v, shift) + dat[k] - src[k]; + err += e * e; + } + dat += dat_stride; + src += src_stride; + flt1 += flt1_stride; + const __m256i sum64_0 = + _mm256_cvtepi32_epi64(_mm256_castsi256_si128(sum32)); + const __m256i sum64_1 = + _mm256_cvtepi32_epi64(_mm256_extracti128_si256(sum32, 1)); + sum64 = _mm256_add_epi64(sum64, sum64_0); + sum64 = _mm256_add_epi64(sum64, sum64_1); + } + } else { + __m256i sum32 = _mm256_setzero_si256(); + for (i = 0; i < height; ++i) { + for (j = 0; j <= width - 16; j += 16) { + const __m256i d0 = _mm256_cvtepu8_epi16(xx_loadu_128(dat + j)); + const __m256i s0 = _mm256_cvtepu8_epi16(xx_loadu_128(src + j)); + const __m256i diff0 = _mm256_sub_epi16(d0, s0); + const __m256i err0 = _mm256_madd_epi16(diff0, diff0); + sum32 = _mm256_add_epi32(sum32, err0); + } + for (k = j; k < width; ++k) { + const int32_t e = (int32_t)(dat[k]) - src[k]; + err += e * e; + } + dat += dat_stride; + src += src_stride; + } + const __m256i sum64_0 = + _mm256_cvtepi32_epi64(_mm256_castsi256_si128(sum32)); + const __m256i sum64_1 = + _mm256_cvtepi32_epi64(_mm256_extracti128_si256(sum32, 1)); + sum64 = _mm256_add_epi64(sum64_0, sum64_1); + } + int64_t sum[4]; + yy_storeu_256(sum, sum64); + err += sum[0] + sum[1] + sum[2] + sum[3]; + return err; +} |