commit f6176abb07eaca963356442d3cb8f95fe0f9b587
author Yi Luo <luoyi@google.com> Fri Apr 28 15:48:56 2017 -0700
committer Yi Luo <luoyi@google.com> Mon May 08 22:18:18 2017 +0000
tree 82521ac0db2b5521dbc6c6ee7d9f3f0f71eec836
parent e6ca8e83804de15feb8731a774699f832ce05226

Partial IDCT 16x16 avx2

- Function level improvement:
functions      sse2  avx2  percentage
idct16x16_256  365   226   38%
idct16x16_38   n/a   136   n/a
idct16x16_10   171   110   35%
idct16x16_1     34    26   23%

- Integrated in AV1 for default scan order.

Change-Id: Ieb1a8e730bea9c371ebc0e5f4a748640d8f5e921

av1/common/idct.c

diff --git a/av1/common/idct.c b/av1/common/idct.c
index 2c960cd..c7d69e8 100644
--- a/av1/common/idct.c
+++ b/av1/common/idct.c
@@ -1255,6 +1255,8 @@
 #if !CONFIG_ADAPT_SCAN
   else if (eob <= 10)
     aom_idct16x16_10_add(input, dest, stride);
+  else if (eob <= 38)
+    aom_idct16x16_38_add(input, dest, stride);
 #endif
   else
     aom_idct16x16_256_add(input, dest, stride);