tree 9db7c0d26d8eaa4d9e462961545535fd219d384e
parent feee7d97b797dff46e9eaef0871098dee463d508
author levytamar82 <tamar.levy@intel.com> 1412232451 -0700
committer levytamar82 <tamar.levy@intel.com> 1413752350 -0700

SAD32xh and SAD64xh for AVX2

All sad function that process above 32 consecutive elements are optimized
for AVX2:
vp9_sad64x64
vp9_sad64x32
vp9_sad32x64
vp9_sad32x32
vp9_sad32x16
vp9_sad64x64_avg
vp9_sad64x32_avg
vp9_sad32x64_avg
vp9_sad32x32_avg
vp9_sad32x16_avg
The functions that appeared as a hotspot is vp9_sad32x32 and vp9_sad64x64
vp9_sad32x32 was optimized by 68% and vp9_sad64x64 was optimized by 90%
both of them gave and overall ~2.3% user level gain

Change-Id: Iccf86b375a2b54c5fbbe685902ead0c9a561b9fd