Comparison of mappers

verdict.rb

require "benchmark"

require "mongo_mapper"
require "mongoid"

class MongoMapperModel
  include MongoMapper::Document
  key :title, String
  key :content, String
  key :published_at, Time
end

MongoMapper.connection = Mongo::Connection.new("127.0.0.1", 27017)
MongoMapper.database = "mongo_mapper_verdict"

MongoMapperModel.delete_all

class MongoidModel
  include Mongoid::Document
  field :title, type: String
  field :content, type: String
  field :published_at, type: Time
end

Mongoid.configure do |c|
  c.connect_to("mongoid_verdict")
end

MongoidModel.delete_all

Benchmark.bm do |bench|

  bench.report("MongoMapper create") do
    100_000.times do |n|
      MongoMapperModel.create(title: "#{n}", content: "#{n}", published_at: Time.now)
    end
  end

  bench.report("Mongoid create") do
    100_000.times do |n|
      MongoidModel.create(title: "#{n}", content: "#{n}", published_at: Time.now)
    end
  end

  # MongoMapper create 50.240000   1.330000  51.570000 ( 51.575320)
  # Mongoid     create 34.430000   1.130000  35.560000 ( 35.554373)
end