szajbus

#!/usr/bin/ruby
require 'benchmark'
include Benchmark

pi = 3.14
n = 1000000

Benchmark.benchmark(" "*7 + CAPTION, 7, FMTSTR) do |x|
  to_i = x.report("to_i:")   { n.times { pi != pi.to_i } }
  gsub = x.report("gsub:")   { n.times { pi.to_s.gsub(/^.*\.(.*)$/, '\1').to_i > 0 } }