From: Angie Chiang <angiebird@google.com>
Date: Sun, 14 Jul 2019 16:20:58 +0000 (-0700)
Subject: Add vpx_sad32x32x8_c/avx2
X-Git-Tag: v1.8.2~163
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=291055812b6962e808619892abe8c87277d843c4;p=platform%2Fupstream%2Flibvpx.git

Add vpx_sad32x32x8_c/avx2

Change-Id: I4dbb7b6c8979c39eb6ffb97750e3cca0f4b7921f
---

diff --git a/test/sad_test.cc b/test/sad_test.cc
index 9888b7c..9125a01 100644
--- a/test/sad_test.cc
+++ b/test/sad_test.cc
@@ -745,7 +745,7 @@ const SadMxNx8Param x8_c_tests[] = {
   // SadMxNx8Param(64, 64, &vpx_sad64x64x8_c),
   // SadMxNx8Param(64, 32, &vpx_sad64x32x8_c),
   // SadMxNx8Param(32, 64, &vpx_sad32x64x8_c),
-  // SadMxNx8Param(32, 32, &vpx_sad32x32x8_c),
+  SadMxNx8Param(32, 32, &vpx_sad32x32x8_c),
   // SadMxNx8Param(32, 16, &vpx_sad32x16x8_c),
   // SadMxNx8Param(16, 32, &vpx_sad16x32x8_c),
   SadMxNx8Param(16, 16, &vpx_sad16x16x8_c),
@@ -1021,6 +1021,12 @@ const SadMxNx4Param x4d_avx2_tests[] = {
   SadMxNx4Param(32, 32, &vpx_sad32x32x4d_avx2),
 };
 INSTANTIATE_TEST_CASE_P(AVX2, SADx4Test, ::testing::ValuesIn(x4d_avx2_tests));
+
+const SadMxNx8Param x8_avx2_tests[] = {
+  // SadMxNx8Param(64, 64, &vpx_sad64x64x8_c),
+  SadMxNx8Param(32, 32, &vpx_sad32x32x8_avx2),
+};
+INSTANTIATE_TEST_CASE_P(AVX2, SADx8Test, ::testing::ValuesIn(x8_avx2_tests));
 #endif  // HAVE_AVX2
 
 #if HAVE_AVX512
diff --git a/vp9/encoder/vp9_encoder.c b/vp9/encoder/vp9_encoder.c
index dd0d10d..147ca4c 100644
--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -2468,7 +2468,7 @@ VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf,
 
   BFP(BLOCK_32X32, vpx_sad32x32, vpx_sad32x32_avg, vpx_variance32x32,
       vpx_sub_pixel_variance32x32, vpx_sub_pixel_avg_variance32x32,
-      vpx_sad32x32x4d, NULL)
+      vpx_sad32x32x4d, vpx_sad32x32x8)
 
   BFP(BLOCK_64X64, vpx_sad64x64, vpx_sad64x64_avg, vpx_variance64x64,
       vpx_sub_pixel_variance64x64, vpx_sub_pixel_avg_variance64x64,
diff --git a/vpx_dsp/sad.c b/vpx_dsp/sad.c
index 873ddca..7693220 100644
--- a/vpx_dsp/sad.c
+++ b/vpx_dsp/sad.c
@@ -83,6 +83,7 @@ sadMxNx4D(32, 64)
 
 // 32x32
 sadMxN(32, 32)
+sadMxNxK(32, 32, 8)
 sadMxNx4D(32, 32)
 
 // 32x16
diff --git a/vpx_dsp/vpx_dsp_rtcd_defs.pl b/vpx_dsp/vpx_dsp_rtcd_defs.pl
index 797ef7f..fd7eefd 100644
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -893,6 +893,9 @@ add_proto qw/void vpx_sad4x4x3/, "const uint8_t *src_ptr, int src_stride, const
 specialize qw/vpx_sad4x4x3 sse3 msa mmi/;
 
 # Blocks of 8
+add_proto qw/void vpx_sad32x32x8/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, uint32_t *sad_array";
+specialize qw/vpx_sad32x32x8 avx2/;
+
 add_proto qw/void vpx_sad16x16x8/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, uint32_t *sad_array";
 specialize qw/vpx_sad16x16x8 sse4_1 msa mmi/;
 
diff --git a/vpx_dsp/x86/sad4d_avx2.c b/vpx_dsp/x86/sad4d_avx2.c
index b18fecf..a5c4f8c 100644
--- a/vpx_dsp/x86/sad4d_avx2.c
+++ b/vpx_dsp/x86/sad4d_avx2.c
@@ -11,8 +11,8 @@
 #include "./vpx_dsp_rtcd.h"
 #include "vpx/vpx_integer.h"
 
-static INLINE void calc_final(const __m256i *const sums /*[4]*/,
-                              uint32_t sad_array[4]) {
+static INLINE void calc_final_4(const __m256i *const sums /*[4]*/,
+                                uint32_t *sad_array) {
   const __m256i t0 = _mm256_hadd_epi32(sums[0], sums[1]);
   const __m256i t1 = _mm256_hadd_epi32(sums[2], sums[3]);
   const __m256i t2 = _mm256_hadd_epi32(t0, t1);
@@ -66,7 +66,64 @@ void vpx_sad32x32x4d_avx2(const uint8_t *src_ptr, int src_stride,
     refs[3] += ref_stride;
   }
 
-  calc_final(sums, sad_array);
+  calc_final_4(sums, sad_array);
+}
+
+void vpx_sad32x32x8_avx2(const uint8_t *src_ptr, int src_stride,
+                         const uint8_t *ref_ptr, int ref_stride,
+                         uint32_t *sad_array) {
+  int i;
+  __m256i sums[8];
+
+  sums[0] = _mm256_setzero_si256();
+  sums[1] = _mm256_setzero_si256();
+  sums[2] = _mm256_setzero_si256();
+  sums[3] = _mm256_setzero_si256();
+  sums[4] = _mm256_setzero_si256();
+  sums[5] = _mm256_setzero_si256();
+  sums[6] = _mm256_setzero_si256();
+  sums[7] = _mm256_setzero_si256();
+
+  for (i = 0; i < 32; i++) {
+    __m256i r[8];
+
+    // load src and all ref[]
+    const __m256i s = _mm256_load_si256((const __m256i *)src_ptr);
+    r[0] = _mm256_loadu_si256((const __m256i *)&ref_ptr[0]);
+    r[1] = _mm256_loadu_si256((const __m256i *)&ref_ptr[1]);
+    r[2] = _mm256_loadu_si256((const __m256i *)&ref_ptr[2]);
+    r[3] = _mm256_loadu_si256((const __m256i *)&ref_ptr[3]);
+    r[4] = _mm256_loadu_si256((const __m256i *)&ref_ptr[4]);
+    r[5] = _mm256_loadu_si256((const __m256i *)&ref_ptr[5]);
+    r[6] = _mm256_loadu_si256((const __m256i *)&ref_ptr[6]);
+    r[7] = _mm256_loadu_si256((const __m256i *)&ref_ptr[7]);
+
+    // sum of the absolute differences between every ref[] to src
+    r[0] = _mm256_sad_epu8(r[0], s);
+    r[1] = _mm256_sad_epu8(r[1], s);
+    r[2] = _mm256_sad_epu8(r[2], s);
+    r[3] = _mm256_sad_epu8(r[3], s);
+    r[4] = _mm256_sad_epu8(r[4], s);
+    r[5] = _mm256_sad_epu8(r[5], s);
+    r[6] = _mm256_sad_epu8(r[6], s);
+    r[7] = _mm256_sad_epu8(r[7], s);
+
+    // sum every ref[]
+    sums[0] = _mm256_add_epi32(sums[0], r[0]);
+    sums[1] = _mm256_add_epi32(sums[1], r[1]);
+    sums[2] = _mm256_add_epi32(sums[2], r[2]);
+    sums[3] = _mm256_add_epi32(sums[3], r[3]);
+    sums[4] = _mm256_add_epi32(sums[4], r[4]);
+    sums[5] = _mm256_add_epi32(sums[5], r[5]);
+    sums[6] = _mm256_add_epi32(sums[6], r[6]);
+    sums[7] = _mm256_add_epi32(sums[7], r[7]);
+
+    src_ptr += src_stride;
+    ref_ptr += ref_stride;
+  }
+
+  calc_final_4(sums, sad_array);
+  calc_final_4(sums + 4, sad_array + 4);
 }
 
 void vpx_sad64x64x4d_avx2(const uint8_t *src_ptr, int src_stride,
@@ -126,5 +183,5 @@ void vpx_sad64x64x4d_avx2(const uint8_t *src_ptr, int src_stride,
     refs[3] += ref_stride;
   }
 
-  calc_final(sums, sad_array);
+  calc_final_4(sums, sad_array);
 }