AV1 also has "tiles". This is basically slicing each frame into N separate frames and encoding each mostly separately. You lose a little efficiency (as you can'

AV1 also has "tiles". This is basically slicing each frame into N separate frames and encoding each mostly separately. You lose a little efficiency (as you can't exploit cross-tile redundancy very well or at all) but unlock a lot of parallelism on both encode and decode.