or download this
Match eq => 1
Match rx => 1
...
eq: 3 wallclock secs ( 3.38 usr + 0.62 sys = 4.00 CPU) @ 25
+0000.00/s (n=1000000)
idx: 6 wallclock secs ( 4.18 usr + 1.05 sys = 5.23 CPU) @ 19
+1204.59/s (n=1000000)
rx: 6 wallclock secs ( 4.49 usr + 1.05 sys = 5.54 CPU) @ 18
+0505.42/s (n=1000000)