Add Evan Phoenix's "stringify" benchmark.

bench/bench_activesupport_stringify.rb

@@ -0,0 +1,123 @@
+###
+# I'm running like this:
+#
+#  ruby -I lib:../../i18n/lib zomg.rb
+#
+require 'rubygems'
+require 'abstract_controller'
+require 'action_controller'
+require 'action_view'
+require 'action_dispatch'
+require 'active_support/dependencies'
+require 'action_controller/caching'
+require 'action_controller/caching/sweeping'
+
+require 'active_support/ordered_options'
+require 'benchmark'
+
+class MyTest
+  class BasicController
+    attr_reader :request, :config
+
+    def initialize config
+      super()
+      @config = config
+    end
+  end
+
+  include ActionView::Helpers::AssetTagHelper
+  include ActionView::Helpers::TagHelper
+
+  attr_reader :config, :controller
+
+  def initialize
+    @config = ActiveSupport::InheritableOptions.new(ActionController::Base.config)
+    public_dir = File.expand_path("public", __FILE__)
+    @config.assets_dir = public_dir
+    @config.javascripts_dir = "#{public_dir}/javascripts"
+    @config.stylesheets_dir = "#{public_dir}/stylesheets"
+
+    @controller = BasicController.new @config
+    ActionView::Helpers::AssetTagHelper::register_javascript_expansion :defaults => ['prototype', 'effects', 'dragdrop', 'controls', 'rails']
+  end
+
+  def one_file
+    javascript_include_tag("bank")
+  end
+
+  def all
+    javascript_include_tag(:all)
+  end
+
+  def with_lang
+    javascript_include_tag("bank", :lang => 'vbscript')
+  end
+
+  def defaults
+    javascript_include_tag(:defaults)
+  end
+
+  def recursive
+    javascript_include_tag(:all, :recursive => true)
+  end
+end
+
+require 'benchmark/ips'
+
+test = MyTest.new
+
+class Blah
+  def initialize
+    @a = 1
+    @b = 2
+    @c = 3
+    @d = 4
+  end
+end
+
+Benchmark.ips do |x|
+
+  # obj = Object.new
+
+  # x.report "obj.dup" do
+    # obj.dup
+  # end
+
+  # blah = Blah.new
+
+  # x.report "blah.dup" do
+    # blah.dup
+  # end
+
+  h = { "a" => "1", "b" => "2" }
+
+  # hc = Hash
+
+  # x.report "replace" do
+    # hc.allocate.replace(h)
+  # end
+
+  # x.report "dup" do
+    # h.dup
+  # end
+
+  2.times do
+    x.report "stringify" do
+      h.stringify_keys
+    end
+  end
+
+  2.times do
+    x.report "keys" do
+      h.keys
+    end
+  end
+
+  # x.report('one') {
+    # test.one_file
+  # }
+
+  # x.report('defaults') {
+    # test.defaults
+  # }
+end