bench_results.txt

                                 user     system      total        real
BERT int encode              0.010000   0.000000   0.010000 (  0.013525)
MessagePack int encode       0.000000   0.000000   0.000000 (  0.000396)
Yajl int encode              0.010000   0.000000   0.010000 (  0.002894)
BERT int decode              0.000000   0.000000   0.000000 (  0.000346)
MessagePack int decode       0.000000   0.000000   0.000000 (  0.000336)
Yajl int decode              0.010000   0.000000   0.010000 (  0.001949)
BERT array encode            8.010000   0.010000   8.020000 (  8.022767)
MessagePack array encode     0.060000   0.000000   0.060000 (  0.063025)
Yajl array encode            0.170000   0.000000   0.170000 (  0.169183)
BERT array decode            0.020000   0.010000   0.030000 (  0.020840)
MessagePack array decode     0.020000   0.000000   0.020000 (  0.024883)
Yajl array decode            0.130000   0.000000   0.130000 (  0.137456)
BERT hash encode             2.480000   0.000000   2.480000 (  2.489396)
MessagePack hash encode      0.020000   0.000000   0.020000 (  0.015464)
Yajl hash encode             0.050000   0.000000   0.050000 (  0.045070)
BERT hash decode             0.050000   0.000000   0.050000 (  0.052000)
MessagePack hash decode      0.010000   0.000000   0.010000 (  0.014237)
Yajl hash decode             0.060000   0.000000   0.060000 (  0.066382)
BERT boolean encode          0.030000   0.000000   0.030000 (  0.029918)
MessagePack boolean encode   0.000000   0.000000   0.000000 (  0.000385)
Yajl boolean encode          0.010000   0.000000   0.010000 (  0.002552)
BERT boolean decode          0.000000   0.000000   0.000000 (  0.000569)
MessagePack boolean decode   0.000000   0.000000   0.000000 (  0.000416)
Yajl boolean decode          0.010000   0.000000   0.010000 (  0.001556)
BERT string encode           0.010000   0.000000   0.010000 (  0.015135)
MessagePack string encode    0.010000   0.000000   0.010000 (  0.000918)
Yajl string encode           0.010000   0.000000   0.010000 (  0.011787)
BERT string decode           0.000000   0.000000   0.000000 (  0.000756)
MessagePack string decode    0.000000   0.000000   0.000000 (  0.000461)
Yajl string decode           0.010000   0.000000   0.010000 (  0.009283)

serializer_benchmark.rb

require 'benchmark'
require 'msgpack'
require 'bert'
require 'json'
require 'yajl'

module MessagePack
  def self.decode(val)
    unpack(val)
  end

  def self.encode(val)
    pack(val)
  end
end

module Yajl
  def self.decode(val)
    self.load(val)
  end

  def self.encode(val)
    dump(val)
  end
end

types  = %w(int array hash boolean string)
values = [1024*1000, (0..1000).to_a, Hash[(0..100).to_a.zip((0..100).to_a)], true, 'foo'*1000]
values_hash = Hash[types.zip(values)]
serializers = [BERT, MessagePack, Yajl]
iterations = 1000
encoded_values = {}

serializers.each do |serializer|
  encoded_values[serializer] = Hash[types.zip(values.map{|v| serializer.encode(v)})]
end

Benchmark.bmbm do |x|
  types.each do |type|
    serializers.each do |serializer|
      x.report("#{serializer} #{type} encode") { iterations.times { serializer.encode(values_hash[type]) } }
    end
    serializers.each do |serializer|
      x.report("#{serializer} #{type} decode") { iterations.times { serializer.decode(encoded_values[serializer][type]) } }
    end
  end
end