Rails 4.2.6, erbのCGI.escapeHTMLあり (2.5 GHz Intel Core i7, SSD)

bench.rb

require 'action_view'
require 'action_view/base'
require 'benchmark/ips'
require 'slim'
require 'haml'
require 'hamlit'
require 'hamlit/rails_template'
require 'rails/all'
require 'haml/template'
require 'faml'
require 'faml/rails_handler'

class Context
  def header
    'Colors'
  end

  def item
    [ { name: 'red',   current: true,  url: '#red'   },
      { name: 'green', current: false, url: '#green' },
      { name: 'blue',  current: false, url: '#blue'  } ]
  end
end

ActionView::OutputBuffer.class_eval do
  def unwrapped_html_escape(s)
    s = s.to_s
    if s.html_safe?
      s
    else
      CGI.escapeHTML(ActiveSupport::Multibyte::Unicode.tidy_bytes(s))
    end
  end

  private

  def html_escape_interpolated_argument(arg)
    (!html_safe? || arg.html_safe?) ? arg : CGI.escapeHTML(arg.to_s)
  end
end

class Bench
  def initialize
    @erb  = File.read('view.erb')
    @haml = File.read('view.haml')
    @slim = File.read('view.slim')
  end

  def run
    Benchmark.ips do |x|
      x.report("erb")    { erb_template.render(view, {}) }
      x.report("slim")   { slim_template.render(view, {}) }
      x.report("haml")   { haml_template.render(view, {}) }
      x.report("hamlit") { hamlit_template.render(view, {}) }
      x.report("faml")   { faml_template.render(view, {}) }
      x.compare!
    end
  end

  private

  def view
    @view ||= Context.new
  end

  def erb_template
    @original_template ||= ActionView::Template.new(
      @erb, 'erb', ActionView::Template::Handlers::ERB, locals: []
    )
  end

  def slim_template
    @slim_template ||= ActionView::Template.new(
      @slim, 'slim', Slim::RailsTemplate.new, locals: []
    )
  end

  def haml_template
    @haml_template ||= ActionView::Template.new(
      @haml, 'haml', Haml::Plugin, locals: []
    )
  end

  def faml_template
    @faml_template ||= ActionView::Template.new(
      @haml, 'faml', Faml::RailsHandler.new, locals: []
    )
  end

  def hamlit_template
    @hamlit_template ||= ActionView::Template.new(
      @haml, 'hamlit', Hamlit::RailsTemplate.new, locals: []
    )
  end
end

Bench.new.run

Gemfile

source 'https://rubygems.org'

gem 'rails', '4.2.6'
gem 'benchmark-ips'
gem 'slim'
gem 'haml'
gem 'faml'
gem 'hamlit'

result.log

Warming up --------------------------------------
                 erb     6.698k i/100ms
                slim     6.632k i/100ms
                haml     1.636k i/100ms
              hamlit     7.632k i/100ms
                faml     6.703k i/100ms
Calculating -------------------------------------
                 erb     72.601k (± 6.6%) i/s -    361.692k in   5.002753s
                slim     69.081k (± 8.2%) i/s -    344.864k in   5.025056s
                haml     16.509k (± 5.2%) i/s -     83.436k in   5.068098s
              hamlit     77.318k (± 7.3%) i/s -    389.232k in   5.060095s
                faml     68.967k (± 7.5%) i/s -    348.556k in   5.081773s

Comparison:
              hamlit:    77317.6 i/s
                 erb:    72601.2 i/s - same-ish: difference falls within error
                slim:    69081.3 i/s - same-ish: difference falls within error
                faml:    68966.5 i/s - same-ish: difference falls within error
                haml:    16509.0 i/s - 4.68x slower