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RunsFor/define_singleton_method_jruby.rb

Last active February 1, 2016 22:04
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jruby perform too slow comparing to mri
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define_singleton_method_jruby.rb
require 'benchmark'
objects = nil
puts(Benchmark.measure do
objects = 100_000.times.map { Object.new }
block = proc { nil }
objects.each { |obj| obj.define_singleton_method(:test_me, &block) }
end)
puts(Benchmark.measure do
objects.each(&:test_me)
end)
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RunsFor commented Feb 1, 2016

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⇒  ruby -v define_singleton_method_jruby.rb
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]
  0.170000   0.020000   0.190000 (  0.188074)
  0.010000   0.000000   0.010000 (  0.014196)
⇒  ruby -v define_singleton_method_jruby.rb
jruby 9.0.4.0 (2.2.2) 2015-11-12 b9fb7aa Java HotSpot(TM) 64-Bit Server VM 25.72-b15 on 1.8.0_72-b15 +jit [darwin-x86_64]
  8.690000   0.170000   8.860000 (  1.356160)
  0.100000   0.000000   0.100000 (  0.056539)

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