Benchmark for ruby require performance with LOAD_PATH

full_load_path_benchmark.rb

$LOAD_PATH.unshift(File.expand_path('f'))

x = 0
y = 0

require 'benchmark'

Benchmark.bm do |b|
  step = 500 
  (0..4).each do |n|
    b.report("#{n * step} in load path") { 50.times { require "bogus#{x}"; x += 1 }}
    step.times do 
      $LOAD_PATH.unshift("/tmp/folder#{y}")
      y += 1
    end
    
    $LOADED_FEATURES.clear
    $stdout.flush
  end
end

make_files.rb

`mkdir f`
10000.times do |x|
  `touch f/bogus#{x}.rb`
end