tree 6f7f33c5b7e2bfbdf42d622cf1bd5cb2a5b1c979
parent cf97e60fd949bffe261231c081526c567e727d49
author Yunqing Wang <yunqingwang@google.com> 1608155183 -0800
committer Yunqing Wang <yunqingwang@google.com> 1608243244 +0000

Speed up compound mode search at speed 2

This CL enabled the fast compound mode search for speed 2,
which gave a large encoder speed boost without much quality
loss.

Borg test result at speed 2:
         avg_psnr:  ovr_psnr:  ssim:  speedup:
lowres2:  0.204      0.208     0.086   16.6%
midres2:  0.194      0.189     0.102   16.5%
hdres2:  -0.011      0.204    -0.083   22.1%

STATS_CHANGED

Change-Id: Id8e3d604e511942bce5f99d69bb299d0ab79dd08