acid.rb

require 'benchmark/ips'

module Foo
  extend self

  def foo(a, b, c)
    hash = {a: a, b: b, c: c}
    array = hash.map { |k, v| v }
    x = array[0]
    y = [a, b, c].sort[1]
    x + y
  end

end

class Bar

  def method_missing(method, *args)
    if Foo.respond_to?(method)
      Foo.send(method, *args)
    else
      0
    end
  end

end

bar = Bar.new

Benchmark.ips do |x|

  x.iterations = 3

  x.report 'metaprogramming' do
    bar.foo(14, 8, 6)
  end

end