tree 5ff07d8bd2043e884ee977a49c618e8517b2f4dd
parent c3613c812b0bf2835a9c7b8a0239fe23b34ba1a1
author Yunqing Wang <yunqingwang@google.com> 1626154676 -0700
committer Yunqing Wang <yunqingwang@google.com> 1626282327 +0000

Evaluate RT speed 4 features

Removed features that gave much worse than 10:1 speed/quality
tradeoff. Removed speed 4 for now since there weren't much speedup
to differentiate it from speed 0. We can always add more speeds
when it is needed. Here are borg tests results.
         avg_psnr:  ovr_psnr:  ssim:    speed:
speed 4:  (Got over 1% quality back.)
rtc:      -1.204     -1.359   -0.976   -3.600
rtc_derf: -1.481     -1.517   -1.175   -3.462
speed 5:  (Made both quality & speed better.)
rtc:      -0.492     -0.506    0.072    6.568
rtc_derf: -0.471     -0.503    0.217    6.756
speed 7:  (This didn't affect speed 7.)
rtc:       0.000      0.000    0.000    0.000
rtc_derf:  0.000      0.000    0.000    0.000

STATS_CHANGED

Change-Id: I6ac27ac80675619775928d75e8bc93399616677f