rklemme / respond_to_vs_include.rb

Last active April 03, 2013 — forked from zeroed/respond_to_vs_include.rb


    
    View respond_to_vs_include.rb 
  
  
      respond_to_vs_include.rb
    
    
        Raw
      
    
    File suppressed. Click to show.
  
  
            1
            2
            3
            4
            5
            6
            7
            8
            9
            10
            11
            12
            13
            14
            15
            16
            17
            18
            19
            20
            21
            22
            23
            24
            25
            26
            27
            28
            29
            30
            31
            32
            33
            34
            35
            36
            37
          
          
            # Fancy benchmark...
# is respond_to? so faster than include?
 
require 'benchmark'
 
n = 10_000_000
mock_methods = ('a'..'z').to_a
 
class Mock
end
 
mock_methods.each do |m|
  Mock.class_eval do
    send(:attr_accessor, m)
  end
end
 
mock = Mock.new
instance_meths = Mock.instance_methods(false)
 
Benchmark.bm(15) do |test|
  test.report('respond_to?: ') do
    n.times do
      mock.respond_to? :k
    end
  end
  test.report('include?: ') do
    n.times do
      instance_meths.include? :k
    end
  end
  test.report('instance_methods.include?: ') do
    n.times do
      Mock.instance_methods(false).include? :k
    end
  end
end

          
    View respond_to_vs_include.rb 
  
  
      times.txt
    
    
        Raw
      
    
    File suppressed. Click to show.
  
  
            1
            2
            3
            4
            5
          
          
            $ ruby respond_to_vs_include-RK.rb
                                               user     system      total        real
respond_to?:                               1.170000   0.000000   1.170000 (  1.167067)
include?:                                  7.862000   0.000000   7.862000 (  7.880450)
instance_methods.include?:               152.242000   0.000000 152.242000 (152.295711)