./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags fast_bilinear \
        -s 2400x720 -f rawvideo -vframes 5 -pix_fmt abgr -nostats test.raw

4.27 speedup for hyscale_fast:
  24796 UNITS in hyscale_fast,    4096 runs,      0 skips
   5797 UNITS in hyscale_fast,    4096 runs,      0 skips

4.48 speedup for hcscale_fast:
  19911 UNITS in hcscale_fast,    4095 runs,      1 skips
   4437 UNITS in hcscale_fast,    4096 runs,      0 skips