io_bound.rb

require 'faraday'
require 'benchmark'

@conn = Faraday.new(url: 'https://www.google.com')
@threads = []

Benchmark.bm(14) do |x|
  x.report('no-threads') do
    8.times { @conn.get }
  end

  x.report('with-threads') do
    8.times do
      @threads << Thread.new { @conn.get }
    end
    @threads.each(&:join)
  end
end