mongo-ruby-driver/bin/standard_benchmark

#!/usr/bin/env ruby
#
# Note: Ruby 1.9 is faster than 1.8, as expected.

$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
require 'mongo'

include XGen::Mongo::Driver

N = 30_000

def report(str, t0, t1, n)
  dt = t1.to_f - t0.to_f
  printf("%16s: %03.8f\n", str, dt)
end

host = ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost'
port = ENV['MONGO_RUBY_DRIVER_PORT'] || XGen::Mongo::Driver::Mongo::DEFAULT_PORT

db = Mongo.new(host, port).db('ruby-benchmark')
db.drop_collection('benchmark')
coll = db.collection('benchmark')

coll.create_index('foo', 'i')

t0 = Time.new
N.times { |i| coll.insert('i' => i) }
db.error                        # forces pause until all finished
report('insert', t0, Time.new, N)

t0 = Time.new
N.times { coll.find_first }
report('find_first', t0, Time.new, N)

t0 = Time.new
N.times {
  coll.find('i' => 3).each { }
  coll.find('i' => 234).each { }
  coll.find('i' => 9876).each { }
}
report('find', t0, Time.new, N * 3)

h = {'i' => {'$gt' => 200, '$lt' => 200}}
t0 = Time.new
N.times { coll.find(h).each { } }
report('find gt/lt', t0, Time.new, N)