native loop vs. ruby loop

loop_1.rb

def ruby_loop
  yield while true
end

def native_loop_test
  time = Time.now
  n = 0
  loop do
    n = n + 1
    break if Time.now - time > 5
  end

  puts "#{n} count with native loop"
end

def ruby_loop_test
  time = Time.now
  n = 0
  ruby_loop do
    n = n + 1
    break if Time.now - time > 5
  end

  puts "#{n} count with ruby loop"
end

native_loop_test
ruby_loop_test

loop_2.rb

require 'benchmark'

def ruby_loop
  yield while true
end

def native_loop_test
  n = 0
  loop do
    n = n + 1
    break if n > 10_000_000
  end
end

def ruby_loop_test
  n = 0
  ruby_loop do
    n = n + 1
    break if n > 10_000_000
  end
end

Benchmark.bm(10) do |x|
  x.report('native:') { native_loop_test }
  x.report('ruby:') { ruby_loop_test }
end