ref: 0fa8b668c1019005030b3f584c048d8ddf3012d8
parent: 3967435f655fec96dba08051a58c5f66a91b1c5b
author: levytamar82 <levytamar82@gmail.com>
date: Thu Mar 13 10:47:30 EDT 2014
AVX2 SAD Optimization: 2 functions were optimized for avx2 by using full 256 bit register In order to handle 32 elements in parallel instead of only 16 in parallel: 1. vp9_sad32x32x4d 2. vp9_sad64x64x4d The function level gain is 66% and the user level gain is ~1%. Change-Id: I4efbb3bc7d8bc03b64b6c98f5cd5c4a9dd3212cb