bench.rb

require 'rubygems'
require File.join(File.dirname(__FILE__), 'lib', 'xup')
require 'redcloth'
require 'haml'
require 'markaby'
require 'benchmark'

Xup.load :xml

n = 10_000
Benchmark.bm(10) do |x|
  x.report("xup:") do
    for i in 0..n
      xc = Xup::Context.new
      xc.instance_eval {
        use :XML
        tag! :para, "foo"
        tag! :ul do
          tag! :li, 'one'
          tag! :li, 'two'
          tag! :li, 'three'
        end
      }
      xc.buffer
    end
  end

  x.report("xup (str):") do
    for i in 0..n
      xc = Xup::Context.new
      xc.instance_eval &lambda { eval <<-eof
        use :XML
        tag! :para, "foo"
        tag! :ul do
          tag! :li, 'one'
          tag! :li, 'two'
          tag! :li, 'three'
        end
      eof
      }
      xc.buffer
    end
  end

  x.report("markaby:") do
    for i in 0..n
      Markaby::Builder.new {
        p "foo"
        ul {
          li "one"
          li "two"
          li "three"
        }
      }.streams.first.first
    end
  end

  x.report("textile:") do
    for i in 0..n
      RedCloth.new("p. foo\n\n* one\n* two\n* three").to_html
    end
  end

  x.report("haml:") do
    for i in 0..n
      Haml::Engine.new("%p foo\n%ul\n  %li one\n  %li two\n  %li three").to_html
    end
  end
end

results.txt

                user     system      total        real
xup:        1.990000   0.050000   2.040000 (  2.108340)
xup (str):  2.440000   0.090000   2.530000 (  2.538592)
markaby:    8.680000   0.220000   8.900000 (  8.992089)
textile:    9.000000   0.880000   9.880000 (  9.989805)
haml:       8.770000   0.350000   9.120000 (  9.237272)