perf.rb

require "diffbench"
$LOAD_PATH.unshift "./lib"
$LOAD_PATH.unshift "../activemodel/lib"
require 'active_model'
require 'active_model/configuration'
ActiveModel::Configuration
require "active_record"
ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => ":memory:")
ActiveRecord::Base.configurations = true

ActiveRecord::Base.logger = nil




ActiveRecord::Schema.verbose = false
ActiveRecord::Schema.define(:version => 1) do

  create_table :entries do |t|
    t.integer :group_id
    t.string :name
    t.string :category
    t.boolean :disabled, :null => false, :default => false
    t.boolean :confirmed, :null => false, :default => false
    t.date :shipping_date
    t.timestamps
  end

  class ::Entry < ActiveRecord::Base
  end
end

e = Entry.new
amount = 10000
DiffBench.bm do
  report("simple initialize") do
    amount.times do
      Entry.new
    end
  end
  report("initialize with attributes") do
    amount.times do
      Entry.new(:group_id => 1)
    end
  end
end