1             207.26572698               0.61339371
           2              18.22859636               0.17215044
           4              21.63864780               0.18321048
           8              48.92602769               0.27250517
          16              96.08704224               0.40409439
          32             157.11064404               0.54091029
          64             176.54065446               0.55389593
         128             206.31911711               0.59014268
         256             220.51312092               0.68082292
         512             231.84229967               0.65677294
        1024             257.56816534               0.66937241
        2048             303.68795323               0.72088890
        4096             400.81898115               0.83692385