make_files.rb

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

require_benchmark.rb

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

x = 0

require 'benchmark'

Benchmark.bm do |b|
  (1..5).each do |n|
    b.report("#{n * 500} requires") { (n*500).times { require "bogus#{x}"; x += 1 }}
  end
end

urgh that doesn't look friendly. Are you able to try on 1.9.3 without my patch?

Thanks for trying it out!

Ah yep... the same error occurred using straight 1.9.3dev.
Well in a strange sense I'm pumped your patch still looks good! Thanks for all the work your putting into this!

Cheers!