test.rb

require "digest/md5"
require "openssl"
require "securerandom"
require 'benchmark'
require "base64"

SIZE = 1000
def create_test
  ret = []
  SIZE.times do
    ret << SecureRandom.random_bytes(1000000)
  end
  ret
end

def test_digest(x)
  Digest::MD5.hexdigest(x)
end

def test_openssl(x)
  digest = OpenSSL::Digest::MD5.new
  digest << x
  digest.hexdigest
end

test = nil

puts "Creating Test Data"
puts Benchmark.measure {
  test = create_test
}

puts "Testing digest/md5"

puts Benchmark.measure {
  test.map { |x| test_digest(x) }
}

puts "Testing openssl"

puts Benchmark.measure {
  test.map { |x| test_openssl(x) }
}

# Creating Test Data
#  27.430000   0.440000  27.870000 ( 28.132352)
# Testing digest/md5
#   1.570000   0.000000   1.570000 (  1.570979)
# Testing openssl
#   1.540000   0.010000   1.550000 (  1.569205)