require "benchmark"
require 'base64'

TESTS = 1_000_000
STRING = ('a'..'z').to_a.join

puts "# #{TESTS} iterations"
puts "# Data: #{STRING}"

Benchmark.bmbm do |results|
  results.report('base64') do
    TESTS.times do
      Base64.encode64(STRING)
    end
  end

  results.report('pack') do
    TESTS.times do
      [STRING].pack('m')
    end
  end
end

# # 1000000 iterations
# # Data: abcdefghijklmnopqrstuvwxyz
# Rehearsal ------------------------------------------
# base64   1.300000   0.010000   1.310000 (  1.323245)
# pack     1.040000   0.000000   1.040000 (  1.035519)
# --------------------------------- total: 2.350000sec
#
#              user     system      total        real
# base64   1.290000   0.010000   1.300000 (  1.299331)
# pack     1.040000   0.000000   1.040000 (  1.042376)