Ruby Async Demo

async-demo.rb

#!/usr/bin/env ruby

require "async"

# Simple method to measure how long an operation takes.
def measure_time
  start = Time.now
  yield
  puts "Duration: #{Time.now - start}"
end

def perform_sync
  sleep 1
  sleep 1
end

def perform_async
  Async do |task|
    task.async do
      sleep 1
    end

    task.async do
      sleep 1
    end
  end
end

measure_time do
  puts "Synchronous..."
  perform_sync
  
end

measure_time do
  puts "Async..."
  perform_async
end

# Synchronous...
# Duration: 2.002028
# Async...
# Duration: 1.000946