hash_benchmark.rb

# -*- coding: utf-8 -*-

require 'benchmark'
require 'hashie/mash'
require 'active_support/ordered_options'

TIMES = 100000

Benchmark.bm(30) do |x|
  x.report('Hash') do
    TIMES.times do
      h = {}
      h[:string], h[:symbol], h[:integer] = 'string', :symbol, 1
      [h[:string], h[:symbol], h[:integer]]
    end
  end

  x.report('Hashie::Mash') do
    TIMES.times do
      h = Hashie::Mash.new
      h.string, h.symbol, h.integer  = 'string', :symbol, 1
      [h.string, h.symbol, h.integer]
    end
  end

  x.report('ActiveSupport::OrderedHash') do
    TIMES.times do
      h = ActiveSupport::OrderedHash.new
      h[:string], h[:symbol], h[:integer] = 'string', :symbol, 1
      [h[:string], h[:symbol], h[:integer]]
    end
  end

  x.report('ActiveSupport::OrderedOptions') do
    TIMES.times do
      h = ActiveSupport::OrderedOptions.new
      h.string, h.symbol, h.integer  = 'string', :symbol, 1
      [h.string, h.symbol, h.integer]
    end
  end
end

                                     user     system      total        real
Hash                             0.160000   0.000000   0.160000 (  0.162455)
Hashie::Mash                     2.550000   0.000000   2.550000 (  2.557630)
ActiveSupport::OrderedHash       0.180000   0.000000   0.180000 (  0.178252)
ActiveSupport::OrderedOptions    1.580000   0.000000   1.580000 (  1.580437)