Benchmark: timing 5 iterations of bw, tied...
        bw:  0 wallclock secs ( 0.00 usr +  0.00 sys =  0.00 CPU)
            (warning: too few iterations for a reliable count)
      tied: 69 wallclock secs (50.44 usr + 14.67 sys = 65.11 CPU) @  0.08/s (n=5)