Benchmark: timing 100 iterations of with, without...
      with: 14 wallclock secs (13.73 usr +  0.04 sys = 13.77 CPU) @  7.26/s (n=100)
   without: 14 wallclock secs (13.86 usr +  0.00 sys = 13.86 CPU) @  7.22/s (n=100)