On Fri, Feb 3, 2012 at 12:03 PM, botp <botpena / gmail.com> wrote: >> (3..8).each do |x| >> t=Time.now();for a in 0..10**x;end; puts("#{x} {Time.now()-t}") >> end > > 3 .000142406 > 4 .001344933 > 5 .014539207 > 6 .076141941 > 7 .737979205 > 8 .359555691 pls ignore. i think it is consistent at 10 -botp