clock.rb

# frozen_string_literal: true

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'benchmark-ips'
end

require 'benchmark/ips'

deadline = Process.clock_gettime(Process::CLOCK_MONOTONIC) + 20

Benchmark.ips do |x|
  x.report("gettime") do
    500.times do |i|
      Process.clock_gettime(Process::CLOCK_MONOTONIC) > deadline
    end
  end

  x.report("modulo 100") do
    500.times do |i|
      next unless (i % 100) == 0
      Process.clock_gettime(Process::CLOCK_MONOTONIC) > deadline
    end
  end
  
  x.compare!(order: :baseline)
end