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Rubygem
Description: Merb Core: All you need. None you don't.
Homepage: http://www.merbivore.com
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A note on condition block and deferred routes.
Michael S. Klishin (author)
Tue May 13 11:34:51 -0700 2008
commit  137889807100ed854a43e663ae2ea33fb2eea6ce
tree    06ca2a8bf6da47309d6928edf2ff5a14ab9cce65
parent  ff19a1ab25844042f02db0f769c9481810cc1357
merb-core / simple_benches / imethod_exists.rb
100644 33 lines (30 sloc) 1.144 kb
raw history 
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require 'benchmark'
 
TIMES = (ARGV[0] || 10_000).to_i
 
Benchmark.bmbm do |x|
  x.report("instance_methods.include? == true") do
    TIMES.times do
      Class.instance_methods.include?(:to_s) || Class.instance_methods.include?("to_s")
    end
  end
  x.report("instance_method() rescue nil == true") do
    TIMES.times do    
      Class.instance_method(:to_s) rescue false
    end
  end
  x.report("instance_methods.include? == false") do
    TIMES.times do    
      Class.instance_methods.include?(:foo) || Class.instance_methods.include?("foo")
    end
  end
  x.report("instance_method() rescue nil == false") do
    TIMES.times do    
      Class.instance_method(:foo) rescue false
    end
  end  
end
 
# TIMES = 10_000
#                                           user     system      total        real
# instance_methods.include? == true     1.790000   0.010000   1.800000 (  1.805433)
# intance_method() rescue nil == true   0.010000   0.000000   0.010000 (  0.008334)
# instance_methods.include? == false    1.810000   0.000000   1.810000 (  1.818613)
# intance_method() rescue nil == true   0.130000   0.010000   0.140000 (  0.135678)