Benchmark: timing 100 iterations of array, forloop...
     array: 28 wallclock secs (22.62 usr +  2.74 sys = 25.36 CPU) @  3.94/s (n=100)
   forloop: 69 wallclock secs (61.52 usr +  2.75 sys = 64.27 CPU) @  1.56/s (n=100)
          Rate forloop   array
forloop 1.56/s      --    -61%
array   3.94/s    153%      --