Benchmark: running rd, tb for at least 10 CPU seconds...
        rd:  9 wallclock secs (10.36 usr +  0.01 sys = 10.37 CPU) @ 29908.68/s (n=310153)
        tb: 11 wallclock secs (10.55 usr +  0.01 sys = 10.56 CPU) @ 5602.84/s (n=59166)
      Rate   tb   rd
tb  5603/s   -- -81%
rd 29909/s 434%   --