Benchmark IPS

gistfile1.rb

require 'benchmark/ips'

Benchmark.ips do |x|
  x.config(:time => 5, :warmup => 2)

  x.time = 5
  x.warmup = 2

  times = 10000

  x.report("report_1") do
    times.times do
      (('a'..'z').to_a + ('0'..'9').to_a).repeated_permutation(2).to_a.sample(1).join
    end
  end

  x.report("report_2") do
    times.times do
      (('a'..'z').to_a + ('0'..'9').to_a).sample(2).join
    end
  end
  x.compare!
end