Benchmark: running Time::HiRes::time, time, each for at least 1 CPU seconds... Time::HiRes::time: 2 wallclock secs ( 0.82 usr + 0.22 sys = 1.04 CPU) @ 1071260.58/s (n=1114111) time: 0 wallclock secs ( 0.70 usr + 0.31 sys = 1.01 CPU) @ 1816838.61/s (n=1835007) Rate Time::HiRes::time time Time::HiRes::time 1071261/s -- -41% time 1816839/s 70% --