ref: f4fcfe3075cabc47b47db9df74720e24016ff200
parent: 90a7723f8c172ce130e5d7d824dfc639a4e56a43
author: Yunqing Wang <yunqingwang@google.com>
date: Wed May 22 05:07:30 EDT 2013
Optimize variance functions Added SSE2 version of variance functions for super blocks. Change-Id: Ibeaae8771ca21c99d41dd74067574a51e97b412d