1.0      71.38010785188557
  2.0     142.74011045724257
  4.0     285.4695808504437
  8.0     570.8831538032872
 16.0    1141.5040619630486
 32.0    2281.974242540364
 64.0    4555.347595699558
128.0    9063.57509188511
256.0   18036.234720435412
512.0   36159.73132903027