UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND
502 20263 19925 0 31 0 76956 2268 - S+ s004 0:00.03 /usr/bin/perl ./bench_splitters.pl
Comparing split with regexp to extract data from lines:
Rate split regexp
split 86520/s -- -51%
regexp 176400/s 104% --
Measuring impact of the bookkeeping:
Benchmark: running e_and_6, e_and_other, t_and_7, t_and_other for at least 3 CPU seconds...
e_and_6: 3 wallclock secs ( 3.06 usr + 0.03 sys = 3.09 CPU) @ 597859.55/s (n=1847386)
e_and_other: 3 wallclock secs ( 3.15 usr + 0.01 sys = 3.16 CPU) @ 1385758.23/s (n=4378996)
t_and_7: 4 wallclock secs ( 3.02 usr + 0.01 sys = 3.03 CPU) @ 630600.66/s (n=1910720)
t_and_other: 4 wallclock secs ( 3.14 usr + 0.01 sys = 3.15 CPU) @ 1566893.33/s (n=4935714)
UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND
502 20263 19925 0 31 0 76972 2312 - S+ s004 0:39.64 /usr/bin/perl ./bench_splitters.pl