1               0.00018717               0.00044213
           2               0.00080721               0.00078457
           4               0.00166494               0.00132026
           8               0.00173426               0.00214481
          16               0.00170217               0.00202330
          32               0.00316088               0.00225944
          64               0.00540072               0.00256367
         128               0.00323647               0.00296447
         256               0.01016926               0.00424615
         512               0.00768144               0.00460038
        1024               0.01004200               0.00589601
        2048               0.02917393               0.00811024
        4096               0.04971852               0.01014671