uuid_benchmrak.rb

require 'rubygems'
require 'benchmark'
require 'uuid4r'
require 'uuidtools'

log = false

iterations = (ARGV.shift || 1_000_000).to_i

puts "# of iterations = #{iterations}"
Benchmark::bm(20) do |x|
  x.report("null_time") do
    for i in 0..iterations do
      # do nothing
    end
  end
  GC.enable_stats if log
  GC.enable_trace if log

  GC.start
  GC.log_file "uuid4r.log" if log
  x.report("uuid4r") do
    iterations.times do
      UUID4R::uuid(1)
    end
  end
  GC.start

  GC.log_file "uuidtools.log" if log
  x.report("uuidtools") do
    iterations.times do
      UUIDTools::UUID.timestamp_create.to_s
    end
  end
  GC.start

end