gistfile1.txt

require 'open-uri'
require 'benchmark'
require 'celluloid'

class Winning
  include Celluloid

  urls = []
  urls << "http://ruby-lang.org"
  urls << "http://theplatform.com"
  urls << "http://reddit.com"
  urls << "http://pragprog.com"
  urls << "http://railscasts.com"

  def threaded(urls)
    thread_list = []
    urls.each do |f|
      thread_list  << Thread.new {
        open(f) do |x|
           x.read
        end
        puts "reading: " + f
      }
    end
    thread_list.each {|x| x.join}
  end

  def sequential(urls)
    urls.each do |f|
      open(f) do |x|
        x.read
      end
      puts "reading: " + f
    end
  end

  Benchmark.bm do |x|
    x.report("Threaded:\n")   { Winning.new.threaded(urls) }
    x.report("Sequential:\n") { Winning.new.sequential(urls) }
    x.report("Celluloid:\n")  { Winning.new.sequential!(urls) }
  end

end

   user     system      total        real

Threaded:
reading: http://reddit.com
reading: http://railscasts.com
reading: http://pragprog.com
reading: http://theplatform.com
reading: http://ruby-lang.org
0.060000 0.020000 0.080000 ( 1.419672)
Sequential:
reading: http://ruby-lang.org
reading: http://theplatform.com
reading: http://reddit.com
reading: http://pragprog.com
reading: http://railscasts.com
0.050000 0.020000 0.070000 ( 4.242443)
Celluloid:
0.000000 0.000000 0.000000 ( 0.000517) # Hmmm... due to actors being spun up, not process time
I, [2012-08-30T20:50:50.877574 #6790] INFO -- : Terminating 4 actors...
reading: http://ruby-lang.org
reading: http://theplatform.com
reading: http://reddit.com
reading: http://pragprog.com
reading: http://railscasts.com
I, [2012-08-30T20:50:56.378560 #6790] INFO -- : Shutdown completed cleanly