binary_data_comparison_direct_vs_md5.rb

require "securerandom"
require "digest/md5"
require "benchmark"

data1 = SecureRandom.random_bytes(5 * 1024 * 1024)
data2 = data1.dup

N = 500

Benchmark.bm do |x|
  x.report("md5") do
    N.times do
      Digest::MD5.hexdigest(data1) == Digest::MD5.hexdigest(data2)
    end
  end

  x.report("direct") do |x|
    N.times do
      data1 == data2
    end
  end
end


# Output
#        user     system      total        real
# md5     7.376000   0.000000   7.376000 (  7.376198)
# direct  0.000000   0.000000   0.000000 (  0.000025)