master	bsearch gen blocks	
8	1.15454	1.099834	104.97%
16	2.358813	2.067255	114.10%
32	4.526527	4.087634	110.74%
64	8.60143	8.030128	107.11%
128	16.432608	15.427856	106.51%
256	32.094303	30.377254	105.65%
512	62.738168	58.253128	107.70%
1024	118.050384	106.434977	110.91%
2048	204.045776	226.868274	89.94%