kevin@kevin-linux:~> perl test.pl
Benchmark: timing 10000000 iterations of with plus, without plus...
 with plus: 124 wallclock secs (123.54 usr +  0.00 sys = 123.54 CPU) @ 80945.44/s (n=10000000)
without plus: 146 wallclock secs (146.38 usr +  0.00 sys = 146.38 CPU) @ 68315.34/s (n=10000000)