URI escaping benchmark

escape.rb

require 'json'
require 'uri'
require 'rack'
require 'cgi'
require 'addressable/uri'
require 'benchmark'

val = { 'arr' => ['foo', 'bar', 'baz', 'bat'], 'bing' => 'blat' }.to_json

n = 100000
Benchmark.bmbm(7) do |x|
  x.report("cgi:")   { n.times {CGI.escape(val)} }
  x.report("uri:")   { n.times {URI.escape(val)} }
  x.report("rack:")  { n.times {Rack::Utils.escape(val)} }
  x.report("addr:")  { n.times {Addressable::URI.encode_component(val)} }
end

# Ruby 1.9.1
# Rehearsal ------------------------------------------
# cgi:     2.970000   0.000000   2.970000 (  2.969628)
# uri:     4.270000   0.000000   4.270000 (  4.284744)
# rack:    3.040000   0.010000   3.050000 (  3.042311)
# addr:    8.790000   0.010000   8.800000 (  8.801451)
# -------------------------------- total: 19.090000sec
#
#             user     system      total        real
# cgi:     3.020000   0.000000   3.020000 (  3.034554)
# uri:     4.260000   0.000000   4.260000 (  4.265980)
# rack:    3.040000   0.010000   3.050000 (  3.050945)
# addr:    8.800000   0.010000   8.810000 (  8.810286)