Ruby method_missing bench

gistfile1.rb

require 'benchmark'

_methods = ("a".."z").to_a

module A
  module B
    module C
      module D
        module E
          class X
            attr_accessor *("a".."z").to_a
           
            def method_missing(name)
              self.send(name[1..-1])
            end
          end
        end
      end
    end
  end
end


class X2
  attr_accessor *("a".."z").to_a
 
  def method_missing(name)
    self.send(name[1..-1])
  end
end



n = 1000000
Benchmark.bm do |x|
  x.report { n.times do; X2.new.send("_#{_methods.sample}"); end }
  x.report { n.times do; A::B::C::D::E::X.new.send("_#{_methods.sample}"); end }
  x.report { n.times do; A::B::C::D::E::X.new.send(_methods.sample); end }
end

# user     system      total        real
# 0.950000   0.000000   0.950000  (0.950808)
# 0.980000   0.000000   0.980000  (0.985629)
# 0.370000   0.000000   0.370000  (0.372899)