ref: 1eaa3a76dc50fc8451cedbf4797d7e3b7a2d77d7
parent: e38ca5422cebb7411f9bb501ce21f63f1358e5dc
author: Jingning Han <jingning@google.com>
date: Wed Apr 23 05:13:45 EDT 2014
Enable SSSE3 implementation of 8x8 forward 2D-DCT Assembly implementation of ssse3 8x8 forward 2D-DCT. The current version is turned on only for x86_64. The average unit runtime goes from 157 cycles down to 136 cycles, i.e., about 12.8% faster. This translates into about 1.5% speed-up for pedestrian_area 1080p at speed 2. Change-Id: I0f12435857e9425ed7ce12541344dfa16837f4f4