oom.rb

require 'benchmark'

Benchmark.bm do |x|
  x.report("regexp creation") do
    count = 0
    big_scary_string = "bigstring" * 500
    1000.times do |i|
      i.times do |j|
        Regexp.new("test#{i}_#{j}")
        Regexp.new("test#{i * j}")
      end
      print "."
    end
  end
end