Test async http request vs sync http request

em-http-request.rb

require 'rubygems'
require 'eventmachine'
require 'em-http-request'
require 'patron'

f = Time.now
arr = []
j = 50
EventMachine.run do
  (1..50).each{|i|
    arr[i] = EventMachine::HttpRequest.new('http://csdn.net/').get
    arr[i].callback { 
      j -= 1
      EventMachine.stop if j == 0
    }   
  }
end

puts "1--time--------#{(Time.now-f)}"

f = Time.now
s = Patron::Session.new
s.timeout = 60
s.base_url = 'http://csdn.net'
(1..50).each{|i|
  s.get("/").body
}
puts "2--time--------#{(Time.now-f)}"