Full concurrency during your I/O calls

	#gem install fibur
	#And the lib its just :
	#Fibur = Thread
	#https://github.com/tenderlove/fibur/blob/master/lib/fibur.rb
	#:)
	require 'benchmark'
	require 'net/http'
	require 'uri'
	require 'fibur' # use the Fibur gem.
	def network_read(uri)
	Net::HTTP.get_response uri
	end
	n = 50000
	uri = URI('http://google.com/')
	Benchmark.bm(5) do |x|
	x.report('loop') { 100.times { network_read(uri) } }
	x.report('fibur') {
	100.times.map {
	Fibur.new { network_read(uri) }
	}.map(&:join)
	}
	end
	#➜ Desktop ruby fibur.rb
	# user system total real
	#loop 0.120000 0.050000 0.170000 ( 23.593217)
	#fibur 0.180000 0.060000 0.240000 ( 0.721610)

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