Old vs New
Variance 64x64 time: 197 ms 143 ms
Variance 64x32 time: 200 ms 146 ms
Variance 32x64 time: 203 ms 140 ms
Variance 32x32 time: 214 ms 152 ms
Variance 32x16 time: 243 ms 153 ms
Variance 16x32 time: 234 ms 197 ms
Variance 16x16 time: 205 ms 205 ms
Variance 16x8 time: 228 ms 222 ms
Variance 8x16 time: 228 ms 232 ms
Variance 8x8 time: 282 ms 240 ms
Variance 8x4 time: 506 ms 341 ms
Variance 4x8 time: 518 ms 415 ms
Variance 4x4 time: 604 ms 628 ms
Observed vp9 encoder speed up when encoding a 720p video.