Benchmark: running messed_up, native, numerical, reversed_numerical, reversed_string, string, each for at least 3 CPU seconds... messed_up: 3 wallclock secs ( 3.29 usr + 0.00 sys = 3.29 CPU) @ 75.99/s (n=250) native: 3 wallclock secs ( 3.13 usr + 0.00 sys = 3.13 CPU) @ 240.89/s (n=754) numerical: 3 wallclock secs ( 3.18 usr + 0.00 sys = 3.18 CPU) @ 375.16/s (n=1193) reversed_numerical: 2 wallclock secs ( 3.13 usr + 0.00 sys = 3.13 CPU) @ 379.87/s (n=1189) reversed_string: 4 wallclock secs ( 3.62 usr + 0.00 sys = 3.62 CPU) @ 239.78/s (n=868) string: 3 wallclock secs ( 3.24 usr + 0.00 sys = 3.24 CPU) @ 226.54/s (n=734)