Benchmark ruby script MD5 vs SHA-256

sha256_md5_benchmark.rb

require 'securerandom'
require 'digest'
require 'benchmark'

# Test weight
n = 1_000

started_time = Time.now
word_1k = SecureRandom.hex(512)
word_10k = SecureRandom.hex(5_120)
word_100k = SecureRandom.hex(51_200)
word_1M = SecureRandom.hex(512_000)
word_10M = SecureRandom.hex(5_120_000)
puts "--- Setup in #{Time.now - started_time} seconds ---"

Benchmark.bm do |x|
  x.report('SHA-256 1k  ') { n.times { Digest::SHA256.hexdigest word_1k } }
  x.report('SHA-256 10k ') { n.times { Digest::SHA256.hexdigest word_10k } }
  x.report('SHA-256 100k') { n.times { Digest::SHA256.hexdigest word_100k } }
  x.report('SHA-256 1M  ') { n.times { Digest::SHA256.hexdigest word_1M } }
  x.report('SHA-256 10M ') { n.times { Digest::SHA256.hexdigest word_10M } }
  x.report('MD5     1k  ') { n.times { Digest::MD5.hexdigest word_1k } }
  x.report('MD5     10k ') { n.times { Digest::MD5.hexdigest word_10k } }
  x.report('MD5     100k') { n.times { Digest::MD5.hexdigest word_100k } }
  x.report('MD5     1M  ') { n.times { Digest::MD5.hexdigest word_1M } }
  x.report('MD5     10M ') { n.times { Digest::MD5.hexdigest word_10M } }
end

puts "--- Performed in #{Time.now - started_time} seconds ---"