bench.rb

require 'rubygems'
require 'benchmark'
require 'erubis'

class Context
  def initialize
    @items = {
      "Headline 1" => %w[Link1 Link2 Link3 Link4 Link5 Link6 Link7],
      "Headline 2" => %w[Link1 Link2 Link3 Link4 Link5 Link6 Link7],
      "Headline 3" => %w[Link1 Link2 Link3 Link4 Link5 Link6 Link7],
      "Headline 4" => %w[Link1 Link2 Link3 Link4 Link5 Link6 Link7]
    }
  end
end

context  = Context.new
context_binding = context.instance_eval { binding }

@erb_code = open('erb_page.html.erb').read
TIMES = 10000

e = Erubis::FastEruby.new(@erb_code)
Benchmark.bm do |x|
  x.report("Erubis") {
    TIMES.times do
      e.result(context_binding)
    end
  }
end

results.txt

 % ruby erubis.rb
       user     system      total        real
Erubis  1.140000   0.020000   1.160000 (  1.170378)

8,547 req/sec single-threaded.