Simple demonstration of ruby fiber scheduler

fiber_scheduling_example.rb

# quick demo of fiber scheduling

# Ruby 3.1.1
# see https://brunosutic.com/blog/ruby-fiber-scheduler
# see https://rubyapi.org/3.0/o/fiber/schedulerinterface
# see https://github.com/bruno-/fiber_scheduler_list
# using a default implementation of fiber_scheduler via
# gem install fiber_scheduler

require 'fiber_scheduler'

started_at = Time.now

Fiber.set_scheduler(FiberScheduler.new)
10_000.times do
  Fiber.schedule do
    sleep 2
  end
end

puts "Time to finish scheduling: #{(Time.now - started_at)}"

at_exit do
  puts "Total Duration for 10,000 sleeps of 2 seconds: #{(Time.now - started_at)}"
end