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Ruby. Thread benchmark

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Connect to three sites using threads and without using them. Fetch the response. Measure the benchmark.

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  1. # encoding: utf-8
  2.  
  3. require 'net/http'
  4. require 'benchmark'
  5.  
  6. class StatusFetcher
  7.   attr_reader :result
  8.  
  9.   def initialize
  10.     @result = []
  11.   end
  12.  
  13.   def self.start!
  14.     new
  15.   end
  16. end
  17.  
  18. class ThreadStatusFetcher < StatusFetcher
  19.   def initialize
  20.     super
  21.     threads = []
  22.     %w{ stackoverflow.com
  23.         superuser.com
  24.         systemfault.com
  25.       }.each do |page|
  26.       threads << Thread.new(page) do |url|
  27.         http = Net::HTTP.new(url, 80)
  28.         @result << "#{url}: #{http.get('/').message}"
  29.       end
  30.     end
  31.     threads.each(&:join)
  32.   end
  33. end
  34.  
  35. class SimpleStatusFetcher < StatusFetcher
  36.   def initialize
  37.     super
  38.     %w{ stackoverflow.com
  39.         superuser.com
  40.         systemfault.com
  41.       }.each do |url|
  42.         http = Net::HTTP.new(url, 80)
  43.         @result << "#{url}: #{http.get('/').message}"
  44.     end
  45.   end
  46. end
  47.  
  48. Benchmark.bm(8) do |r|
  49.   r.report('simple') { SimpleStatusFetcher.start!.result }
  50.   r.report('thread') { ThreadStatusFetcher.start!.result }
  51. end

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