tree b47bb88a0c36c741c81b38b6b43b2e7c20af3ba1
parent 895efa7a877af3d597d13f6b9f4034d33eaf6c49
author Yunqing Wang <yunqingwang@google.com> 1564455860 -0700
committer Yunqing Wang <yunqingwang@google.com> 1564510139 +0000

Adjust subpel search feature at speed 3

Used SUBPEL_TREE_PRUNED subpel search at speed 3.
Borg test result:
         avg_psnr:   ovr_psnr:   ssim:
midres:   0.116        0.107     0.208
lowres:   0.124        0.134     0.287

Average speedup over whole midres set is 3.9%.

STATS_CHANGED

Change-Id: I202a2081eee5074cac213b0574785daa953933f9