mongo_benchmark.rb

require "benchmark"
require 'moped'
require 'mongo'

include Mongo

@client = MongoClient.new('localhost', 27017)
@db     = @client['mongo_benchmark']
@coll   = @db['mongo10gen']
@coll.remove

session = Moped::Session.new([ "127.0.0.1:27017" ])
session.use "mongo_benchmark"
session[:moped].find.remove_all

puts "BSON::ObjectId.new"
Benchmark.bm(12) do |x|
  x.report("10gen-mongo") do
    500000.times do |i|
      BSON::ObjectId.new
    end
  end
  x.report("moped") do
    500000.times do |i|
      Moped::BSON::ObjectId.new
    end
  end
end


%w(to_s generation_time data hash).each do |w|
  puts "\n\nBSON::ObjectId.#{w}"
  Benchmark.bm(12) do |x|
    x.report("10gen-mongo") do
      500000.times do |i|
        BSON::ObjectId.new.send(w.to_sym)
      end
    end
    x.report("moped") do
      500000.times do |i|
        Moped::BSON::ObjectId.new.send(w.to_sym)
      end
    end
  end
end

puts "\n\ninserts"
Benchmark.bm(12) do |x|
  x.report("10gen-mongo") do
    15000.times do |i|
      @coll.insert({'a' => i+1})
    end
  end
  x.report("moped") do
    session.with(safe: true) do |safe|
      15000.times do |i|
        safe[:moped].insert(a: i+1)
      end
    end
  end
end