percentage_way: 130 wallclock secs (126.01 usr +  0.29 sys = 126.30 CPU) @ 7917.66/s (n=1000000)
   rhs_way: 49 wallclock secs (46.50 usr +  0.13 sys = 46.63 CPU) @ 21445.42/s (n=1000000)