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-rw-r--r--third_party/aom/aom_dsp/x86/sum_squares_avx2.c326
1 files changed, 326 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/sum_squares_avx2.c b/third_party/aom/aom_dsp/x86/sum_squares_avx2.c
new file mode 100644
index 0000000000..89b9b824bf
--- /dev/null
+++ b/third_party/aom/aom_dsp/x86/sum_squares_avx2.c
@@ -0,0 +1,326 @@
+/*
+ * 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>
+#include <smmintrin.h>
+
+#include "aom_dsp/x86/synonyms.h"
+#include "aom_dsp/x86/synonyms_avx2.h"
+#include "aom_dsp/x86/sum_squares_sse2.h"
+#include "config/aom_dsp_rtcd.h"
+
+static uint64_t aom_sum_squares_2d_i16_nxn_avx2(const int16_t *src, int stride,
+ int width, int height) {
+ uint64_t result;
+ __m256i v_acc_q = _mm256_setzero_si256();
+ const __m256i v_zext_mask_q = yy_set1_64_from_32i(~0);
+ for (int col = 0; col < height; col += 4) {
+ __m256i v_acc_d = _mm256_setzero_si256();
+ for (int row = 0; row < width; row += 16) {
+ const int16_t *tempsrc = src + row;
+ const __m256i v_val_0_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 0 * stride));
+ const __m256i v_val_1_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 1 * stride));
+ const __m256i v_val_2_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 2 * stride));
+ const __m256i v_val_3_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 3 * stride));
+
+ const __m256i v_sq_0_d = _mm256_madd_epi16(v_val_0_w, v_val_0_w);
+ const __m256i v_sq_1_d = _mm256_madd_epi16(v_val_1_w, v_val_1_w);
+ const __m256i v_sq_2_d = _mm256_madd_epi16(v_val_2_w, v_val_2_w);
+ const __m256i v_sq_3_d = _mm256_madd_epi16(v_val_3_w, v_val_3_w);
+
+ const __m256i v_sum_01_d = _mm256_add_epi32(v_sq_0_d, v_sq_1_d);
+ const __m256i v_sum_23_d = _mm256_add_epi32(v_sq_2_d, v_sq_3_d);
+ const __m256i v_sum_0123_d = _mm256_add_epi32(v_sum_01_d, v_sum_23_d);
+
+ v_acc_d = _mm256_add_epi32(v_acc_d, v_sum_0123_d);
+ }
+ v_acc_q =
+ _mm256_add_epi64(v_acc_q, _mm256_and_si256(v_acc_d, v_zext_mask_q));
+ v_acc_q = _mm256_add_epi64(v_acc_q, _mm256_srli_epi64(v_acc_d, 32));
+ src += 4 * stride;
+ }
+ __m128i lower_64_2_Value = _mm256_castsi256_si128(v_acc_q);
+ __m128i higher_64_2_Value = _mm256_extracti128_si256(v_acc_q, 1);
+ __m128i result_64_2_int = _mm_add_epi64(lower_64_2_Value, higher_64_2_Value);
+
+ result_64_2_int = _mm_add_epi64(
+ result_64_2_int, _mm_unpackhi_epi64(result_64_2_int, result_64_2_int));
+
+ xx_storel_64(&result, result_64_2_int);
+
+ return result;
+}
+
+uint64_t aom_sum_squares_2d_i16_avx2(const int16_t *src, int stride, int width,
+ int height) {
+ if (LIKELY(width == 4 && height == 4)) {
+ return aom_sum_squares_2d_i16_4x4_sse2(src, stride);
+ } else if (LIKELY(width == 4 && (height & 3) == 0)) {
+ return aom_sum_squares_2d_i16_4xn_sse2(src, stride, height);
+ } else if (LIKELY(width == 8 && (height & 3) == 0)) {
+ return aom_sum_squares_2d_i16_nxn_sse2(src, stride, width, height);
+ } else if (LIKELY(((width & 15) == 0) && ((height & 3) == 0))) {
+ return aom_sum_squares_2d_i16_nxn_avx2(src, stride, width, height);
+ } else {
+ return aom_sum_squares_2d_i16_c(src, stride, width, height);
+ }
+}
+
+static uint64_t aom_sum_sse_2d_i16_nxn_avx2(const int16_t *src, int stride,
+ int width, int height, int *sum) {
+ uint64_t result;
+ const __m256i zero_reg = _mm256_setzero_si256();
+ const __m256i one_reg = _mm256_set1_epi16(1);
+
+ __m256i v_sse_total = zero_reg;
+ __m256i v_sum_total = zero_reg;
+
+ for (int col = 0; col < height; col += 4) {
+ __m256i v_sse_row = zero_reg;
+ for (int row = 0; row < width; row += 16) {
+ const int16_t *tempsrc = src + row;
+ const __m256i v_val_0_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 0 * stride));
+ const __m256i v_val_1_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 1 * stride));
+ const __m256i v_val_2_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 2 * stride));
+ const __m256i v_val_3_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 3 * stride));
+
+ const __m256i v_sum_01 = _mm256_add_epi16(v_val_0_w, v_val_1_w);
+ const __m256i v_sum_23 = _mm256_add_epi16(v_val_2_w, v_val_3_w);
+ __m256i v_sum_0123 = _mm256_add_epi16(v_sum_01, v_sum_23);
+ v_sum_0123 = _mm256_madd_epi16(v_sum_0123, one_reg);
+ v_sum_total = _mm256_add_epi32(v_sum_total, v_sum_0123);
+
+ const __m256i v_sq_0_d = _mm256_madd_epi16(v_val_0_w, v_val_0_w);
+ const __m256i v_sq_1_d = _mm256_madd_epi16(v_val_1_w, v_val_1_w);
+ const __m256i v_sq_2_d = _mm256_madd_epi16(v_val_2_w, v_val_2_w);
+ const __m256i v_sq_3_d = _mm256_madd_epi16(v_val_3_w, v_val_3_w);
+ const __m256i v_sq_01_d = _mm256_add_epi32(v_sq_0_d, v_sq_1_d);
+ const __m256i v_sq_23_d = _mm256_add_epi32(v_sq_2_d, v_sq_3_d);
+ const __m256i v_sq_0123_d = _mm256_add_epi32(v_sq_01_d, v_sq_23_d);
+ v_sse_row = _mm256_add_epi32(v_sse_row, v_sq_0123_d);
+ }
+ const __m256i v_sse_row_low = _mm256_unpacklo_epi32(v_sse_row, zero_reg);
+ const __m256i v_sse_row_hi = _mm256_unpackhi_epi32(v_sse_row, zero_reg);
+ v_sse_row = _mm256_add_epi64(v_sse_row_low, v_sse_row_hi);
+ v_sse_total = _mm256_add_epi64(v_sse_total, v_sse_row);
+ src += 4 * stride;
+ }
+
+ const __m128i v_sum_total_low = _mm256_castsi256_si128(v_sum_total);
+ const __m128i v_sum_total_hi = _mm256_extracti128_si256(v_sum_total, 1);
+ __m128i sum_128bit = _mm_add_epi32(v_sum_total_hi, v_sum_total_low);
+ sum_128bit = _mm_add_epi32(sum_128bit, _mm_srli_si128(sum_128bit, 8));
+ sum_128bit = _mm_add_epi32(sum_128bit, _mm_srli_si128(sum_128bit, 4));
+ *sum += _mm_cvtsi128_si32(sum_128bit);
+
+ __m128i v_sse_total_lo = _mm256_castsi256_si128(v_sse_total);
+ __m128i v_sse_total_hi = _mm256_extracti128_si256(v_sse_total, 1);
+ __m128i sse_128bit = _mm_add_epi64(v_sse_total_lo, v_sse_total_hi);
+
+ sse_128bit =
+ _mm_add_epi64(sse_128bit, _mm_unpackhi_epi64(sse_128bit, sse_128bit));
+
+ xx_storel_64(&result, sse_128bit);
+
+ return result;
+}
+
+uint64_t aom_sum_sse_2d_i16_avx2(const int16_t *src, int src_stride, int width,
+ int height, int *sum) {
+ if (LIKELY(width == 4 && height == 4)) {
+ return aom_sum_sse_2d_i16_4x4_sse2(src, src_stride, sum);
+ } else if (LIKELY(width == 4 && (height & 3) == 0)) {
+ return aom_sum_sse_2d_i16_4xn_sse2(src, src_stride, height, sum);
+ } else if (LIKELY(width == 8 && (height & 3) == 0)) {
+ return aom_sum_sse_2d_i16_nxn_sse2(src, src_stride, width, height, sum);
+ } else if (LIKELY(((width & 15) == 0) && ((height & 3) == 0))) {
+ return aom_sum_sse_2d_i16_nxn_avx2(src, src_stride, width, height, sum);
+ } else {
+ return aom_sum_sse_2d_i16_c(src, src_stride, width, height, sum);
+ }
+}
+
+// Accumulate sum of 16-bit elements in the vector
+static AOM_INLINE int32_t mm256_accumulate_epi16(__m256i vec_a) {
+ __m128i vtmp1 = _mm256_extracti128_si256(vec_a, 1);
+ __m128i vtmp2 = _mm256_castsi256_si128(vec_a);
+ vtmp1 = _mm_add_epi16(vtmp1, vtmp2);
+ vtmp2 = _mm_srli_si128(vtmp1, 8);
+ vtmp1 = _mm_add_epi16(vtmp1, vtmp2);
+ vtmp2 = _mm_srli_si128(vtmp1, 4);
+ vtmp1 = _mm_add_epi16(vtmp1, vtmp2);
+ vtmp2 = _mm_srli_si128(vtmp1, 2);
+ vtmp1 = _mm_add_epi16(vtmp1, vtmp2);
+ return _mm_extract_epi16(vtmp1, 0);
+}
+
+// Accumulate sum of 32-bit elements in the vector
+static AOM_INLINE int32_t mm256_accumulate_epi32(__m256i vec_a) {
+ __m128i vtmp1 = _mm256_extracti128_si256(vec_a, 1);
+ __m128i vtmp2 = _mm256_castsi256_si128(vec_a);
+ vtmp1 = _mm_add_epi32(vtmp1, vtmp2);
+ vtmp2 = _mm_srli_si128(vtmp1, 8);
+ vtmp1 = _mm_add_epi32(vtmp1, vtmp2);
+ vtmp2 = _mm_srli_si128(vtmp1, 4);
+ vtmp1 = _mm_add_epi32(vtmp1, vtmp2);
+ return _mm_cvtsi128_si32(vtmp1);
+}
+
+uint64_t aom_var_2d_u8_avx2(uint8_t *src, int src_stride, int width,
+ int height) {
+ uint8_t *srcp;
+ uint64_t s = 0, ss = 0;
+ __m256i vzero = _mm256_setzero_si256();
+ __m256i v_acc_sum = vzero;
+ __m256i v_acc_sqs = vzero;
+ int i, j;
+
+ // Process 32 elements in a row
+ for (i = 0; i < width - 31; i += 32) {
+ srcp = src + i;
+ // Process 8 columns at a time
+ for (j = 0; j < height - 7; j += 8) {
+ __m256i vsrc[8];
+ for (int k = 0; k < 8; k++) {
+ vsrc[k] = _mm256_loadu_si256((__m256i *)srcp);
+ srcp += src_stride;
+ }
+ for (int k = 0; k < 8; k++) {
+ __m256i vsrc0 = _mm256_unpacklo_epi8(vsrc[k], vzero);
+ __m256i vsrc1 = _mm256_unpackhi_epi8(vsrc[k], vzero);
+ v_acc_sum = _mm256_add_epi16(v_acc_sum, vsrc0);
+ v_acc_sum = _mm256_add_epi16(v_acc_sum, vsrc1);
+
+ __m256i vsqs0 = _mm256_madd_epi16(vsrc0, vsrc0);
+ __m256i vsqs1 = _mm256_madd_epi16(vsrc1, vsrc1);
+ v_acc_sqs = _mm256_add_epi32(v_acc_sqs, vsqs0);
+ v_acc_sqs = _mm256_add_epi32(v_acc_sqs, vsqs1);
+ }
+
+ // Update total sum and clear the vectors
+ s += mm256_accumulate_epi16(v_acc_sum);
+ ss += mm256_accumulate_epi32(v_acc_sqs);
+ v_acc_sum = vzero;
+ v_acc_sqs = vzero;
+ }
+
+ // Process remaining rows (height not a multiple of 8)
+ for (; j < height; j++) {
+ __m256i vsrc = _mm256_loadu_si256((__m256i *)srcp);
+ __m256i vsrc0 = _mm256_unpacklo_epi8(vsrc, vzero);
+ __m256i vsrc1 = _mm256_unpackhi_epi8(vsrc, vzero);
+ v_acc_sum = _mm256_add_epi16(v_acc_sum, vsrc0);
+ v_acc_sum = _mm256_add_epi16(v_acc_sum, vsrc1);
+
+ __m256i vsqs0 = _mm256_madd_epi16(vsrc0, vsrc0);
+ __m256i vsqs1 = _mm256_madd_epi16(vsrc1, vsrc1);
+ v_acc_sqs = _mm256_add_epi32(v_acc_sqs, vsqs0);
+ v_acc_sqs = _mm256_add_epi32(v_acc_sqs, vsqs1);
+
+ srcp += src_stride;
+ }
+
+ // Update total sum and clear the vectors
+ s += mm256_accumulate_epi16(v_acc_sum);
+ ss += mm256_accumulate_epi32(v_acc_sqs);
+ v_acc_sum = vzero;
+ v_acc_sqs = vzero;
+ }
+
+ // Process the remaining area using C
+ srcp = src;
+ for (int k = 0; k < height; k++) {
+ for (int m = i; m < width; m++) {
+ uint8_t val = srcp[m];
+ s += val;
+ ss += val * val;
+ }
+ srcp += src_stride;
+ }
+ return (ss - s * s / (width * height));
+}
+
+uint64_t aom_var_2d_u16_avx2(uint8_t *src, int src_stride, int width,
+ int height) {
+ uint16_t *srcp1 = CONVERT_TO_SHORTPTR(src), *srcp;
+ uint64_t s = 0, ss = 0;
+ __m256i vzero = _mm256_setzero_si256();
+ __m256i v_acc_sum = vzero;
+ __m256i v_acc_sqs = vzero;
+ int i, j;
+
+ // Process 16 elements in a row
+ for (i = 0; i < width - 15; i += 16) {
+ srcp = srcp1 + i;
+ // Process 8 columns at a time
+ for (j = 0; j < height - 8; j += 8) {
+ __m256i vsrc[8];
+ for (int k = 0; k < 8; k++) {
+ vsrc[k] = _mm256_loadu_si256((__m256i *)srcp);
+ srcp += src_stride;
+ }
+ for (int k = 0; k < 8; k++) {
+ __m256i vsrc0 = _mm256_unpacklo_epi16(vsrc[k], vzero);
+ __m256i vsrc1 = _mm256_unpackhi_epi16(vsrc[k], vzero);
+ v_acc_sum = _mm256_add_epi32(vsrc0, v_acc_sum);
+ v_acc_sum = _mm256_add_epi32(vsrc1, v_acc_sum);
+
+ __m256i vsqs0 = _mm256_madd_epi16(vsrc[k], vsrc[k]);
+ v_acc_sqs = _mm256_add_epi32(v_acc_sqs, vsqs0);
+ }
+
+ // Update total sum and clear the vectors
+ s += mm256_accumulate_epi32(v_acc_sum);
+ ss += mm256_accumulate_epi32(v_acc_sqs);
+ v_acc_sum = vzero;
+ v_acc_sqs = vzero;
+ }
+
+ // Process remaining rows (height not a multiple of 8)
+ for (; j < height; j++) {
+ __m256i vsrc = _mm256_loadu_si256((__m256i *)srcp);
+ __m256i vsrc0 = _mm256_unpacklo_epi16(vsrc, vzero);
+ __m256i vsrc1 = _mm256_unpackhi_epi16(vsrc, vzero);
+ v_acc_sum = _mm256_add_epi32(vsrc0, v_acc_sum);
+ v_acc_sum = _mm256_add_epi32(vsrc1, v_acc_sum);
+
+ __m256i vsqs0 = _mm256_madd_epi16(vsrc, vsrc);
+ v_acc_sqs = _mm256_add_epi32(v_acc_sqs, vsqs0);
+ srcp += src_stride;
+ }
+
+ // Update total sum and clear the vectors
+ s += mm256_accumulate_epi32(v_acc_sum);
+ ss += mm256_accumulate_epi32(v_acc_sqs);
+ v_acc_sum = vzero;
+ v_acc_sqs = vzero;
+ }
+
+ // Process the remaining area using C
+ srcp = srcp1;
+ for (int k = 0; k < height; k++) {
+ for (int m = i; m < width; m++) {
+ uint16_t val = srcp[m];
+ s += val;
+ ss += val * val;
+ }
+ srcp += src_stride;
+ }
+ return (ss - s * s / (width * height));
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 20:20:36 +0000