benchmark.rb

require 'rubygems'
require 'benchmark'
require 'haml'

engine = Haml::Engine.new(File.read("template.haml"))

Benchmark.bm do |x|
  x.report { 1000.times{ engine.render } }
end

template.haml

!!!
%html
  %head
    %title Page Title

  %body
    #header
      .container
        #logo
        %ul#nav

    #wrapper
      #content.container
        #flash.ui-state-highlight.ui-corner-all
          %span.ui-icon.ui-icon-info

        #flash.ui-state-error.ui-corner-all
          %span.ui-icon.ui-icon-alert

        .clear

    #footer-wrapper
      #fine-print.container
        .prefix-1.grid-11
        .suffix-1.grid-11.right