Comparison of using Celluloid to do GETs over HTTP

blocking.rb

require 'open-uri'

Benchmark.measure {
  URI.parse('http://yahoo.com').read
  URI.parse('http://yahoo.com').read
  URI.parse('http://yahoo.com').read
}
# =>   0.080000   0.020000   0.100000 (  6.717970)

celluloid.rb

require 'open-uri'
require 'celluloid'

class CellularGet
  include Celluloid

  def get(url)
    URI.parse(url).read
  end 
end

Benchmark.measure {
  futures = 3.times.map do
    CellularGet.new.future.get('http://yahoo.com')
  end
  
  futures.map(&:value)
}
# =>   0.070000   0.030000   0.100000 (  3.078119)

celluloid_pool.rb

require 'open-uri'
require 'celluloid'

class CellularGet
  include Celluloid

  def get(url)
    URI.parse(url).read
  end 
end

Benchmark.measure {
  pool = CellularGet.pool

  futures = 3.times.map do 
    pool.future.get("http://yahoo.com")
  end
  
  futures.map(&:value)
}

# =>   0.090000   0.030000   0.120000 (  2.683866)

threads.rb

require 'thread'

threads = []

Benchmark.measure {
  3.times do 
    threads << Thread.new do
      URI.parse('http://yahoo.com').read
    end
  end

  threads.each { |t| t.join }
}

# =>   0.070000   0.020000   0.090000 (  3.037022)