Ruby file serialation Benchmark

result.txt

1. YAML: Default Ruby implementation
2. JSON: 'json' gem
3. XML: 'xml-simple' gem
3. Mar.: Marshal (internal)


Test 1.: Data Hash
       user     system      total        real
 YAML:   2.170000   0.040000   2.210000 (  2.226518)
 JSON:   0.030000   0.000000   0.030000 (  0.037047)
 XML:   29.700000   0.190000  29.890000 ( 31.729220)
 Mar.:   0.030000   0.000000   0.030000 (  0.029675)

Test 2.: Nested Data
       user     system      total        real
 YAML:   2.520000   0.010000   2.530000 (  2.547487)
 JSON:   0.070000   0.000000   0.070000 (  0.074080)
 XML:   26.220000   0.170000  26.390000 ( 27.841684)
 Mar.:   0.430000   0.720000   1.150000 (  1.862326)

Test 3.: Deep Nested
       user     system      total        real
 YAML:   1.990000   0.000000   1.990000 (  2.631946)
 JSON:   0.020000   0.000000   0.020000 (  0.025115)
 XML:   27.440000   0.270000  27.710000 ( 30.519407)
 Mar.:   0.410000   0.580000   0.990000 (  1.327428)

script.rb

require 'benchmark'
require 'rubygems'
require 'xmlsimple'
require 'yaml'
require 'json'

puts "1. YAML: Default Ruby implementation"
puts "2. JSON: 'json' gem"
puts "3. XML: 'xml-simple' gem"
puts "3. Mar.: Marshal (internal)"
puts ""

@data = { :smallchars => ('a'...'z').to_a, :bigchars => ('A'...'Z').to_a, :numbers => (1...100000).to_a }
@nested_data =  { :data => { :smallchars => ('a'...'z').to_a, :bigchars => ('A'...'Z').to_a, :numbers => (1...100000).to_a } }
@deep_nested = { :data => { :data => { :data => { :data => { :data => (1...100000).to_a } } } } }

puts ""
puts "Test 1.: Data Hash"
Benchmark.bm do |x|
  x.report { print "YAML: "; YAML.load(@data.to_yaml) }
  x.report { print "JSON: "; JSON.load(@data.to_json) }
  x.report { print "XML:  "; XmlSimple.xml_in(XmlSimple.xml_out(@data)) }
  x.report { print "Mar.: "; Marshal.load(Marshal.dump(@data)) }
end

puts ""
puts "Test 2.: Nested Data"
Benchmark.bm do |x|
  x.report { print "YAML: "; YAML.load(@nested_data.to_yaml) }
  x.report { print "JSON: "; JSON.load(@nested_data.to_json) }
  x.report { print "XML:  "; XmlSimple.xml_in(XmlSimple.xml_out(@nested_data)) }
  x.report { print "Mar.: "; Marshal.load(Marshal.dump(@nested_data)) }
end

puts ""
puts "Test 3.: Deep Nested"
Benchmark.bm do |x|
  x.report { print "YAML: "; YAML.load(@deep_nested.to_yaml) }
  x.report { print "JSON: "; JSON.load(@deep_nested.to_json) }
  x.report { print "XML:  "; XmlSimple.xml_in(XmlSimple.xml_out(@deep_nested)) }
  x.report { print "Mar.: "; Marshal.load(Marshal.dump(@deep_nested)) }
end