benchmark.rb

require 'http'

started_at = Time.now
threads = 10.times.map do |i|
  sleep 0.1

  Thread.new do
    begin
      started_at = Time.now
      response = HTTP.get("http://localhost:8001/#{i}")
      [response.respond_to?(:code) ? response.code : -1, (Time.now - started_at), response.body.to_s]
    rescue HTTP::ConnectionError => ex
      [:conn_error]
    rescue => ex
      puts "#{ex.class}: #{ex.message}"
      [:failed]
    end
  end
end

time_taken = []
threads.each_with_index do |thread, id|
  code, results, body = thread.value
  puts "[#{id}] #{code} - #{results} seconds elapsed"

  time_taken << results if results
end

puts "Took #{(Time.now - started_at).round(4)} total, avg of #{(time_taken.inject(:+) / time_taken.length).round(4)} in thread time, max #{time_taken.max}, min #{time_taken.min}"