triple_double.rb

require 'benchmark'

iterations = 2000000

Benchmark.bmbm do |x|
  x.report('double equals') { iterations.times { true == true } }
  x.report('triple equals') { iterations.times { true === true } }
end

# Rehearsal -------------------------------------------------
# double equals   0.110000   0.000000   0.110000 (  0.110443)
# triple equals   0.160000   0.000000   0.160000 (  0.155177)
# ---------------------------------------- total: 0.270000sec

#                     user     system      total        real
# double equals   0.110000   0.000000   0.110000 (  0.108412)
# triple equals   0.150000   0.000000   0.150000 (  0.152184)