1              -0.00179819               0.00364411
           2              -0.00278511               0.00649780
           4               0.00884460               0.01220387
           8               0.05714908               0.02312460
          16               0.28964703               0.04732504
          32               0.98952421               0.11296654
          64               2.32436073               0.34117903
         128               3.94105914               0.59484096
         256               6.41750184               1.01777611
         512              10.37527846               1.64489519
        1024              16.47956990               2.72245806
        2048              27.85580291               4.81009313
        4096              48.12312459               9.02087578