gistfile1.rb

require 'rubygems'
require 'benchmark'
require 'fileutils'
require 'moneta'
require 'moneta/rufus'
require 'dm-core'

FileUtils.rm_f 'benchmark.tch'
cabinet = Moneta::Rufus.new(:file => 'benchmark')

class Tweet
  include DataMapper::Resource
  
  property :id, Integer, :key => true
  
  property :data, Object
end

DataMapper.setup(:default, 'mysql://localhost/moneta_benchmark')
DataMapper.auto_migrate!

id    = 1282653724
tweet = {"created_at"=>"Thu, 05 Mar 2009 09:13:49 +0000", "profile_image_url"=>"http://s3.amazonaws.com/twitter_production/profile_images/60834644/barack-obama2008_normal.jpg", "from_user"=>"TeamObama", "to_user_id"=>nil, "text"=>"Twitter post Obama targets waste in contract process - Baltimore Sun: Boston GlobeObama targets waste in .. http://tinyurl.com/bvvx2n", "id"=>1282653724, "from_user_id"=>2437269, "iso_language_code"=>"en", "source"=>"<a href="http://twitterfeed.com">twitterfeed</a>"}


puts "Write"
Benchmark.bm(5) do |x|
  x.report("Moneta::Rufus") do
    10_000.times do |n|
      cabinet[n.to_s] = tweet
    end
  end
  
  x.report("DataMapper::MySql") do
    10_000.times do |n|
      Tweet.create(:id => n, :data => tweet)
    end
  end
end

puts "Read"
Benchmark.bm(5) do |x|
  x.report("Moneta::Rufus") do
    10_000.times do |n|
      cabinet[n]
    end
  end
  
  x.report("DataMapper::MySql") do
    10_000.times do |n|
      Tweet.get n
    end
  end
end

gistfile2.rb

Write
                    user     system      total        real
Moneta::Rufus     0.490000    0.040000   0.530000 (  0.550007)
DataMapper::MySql 19.980000   2.760000  22.740000 (356.241752)

Read
                    user     system      total        real
Moneta::Rufus      0.980000   0.060000   1.040000 (  1.078917)
DataMapper::MySql  8.660000   1.200000   9.860000 ( 12.741560)