gistfile1.txt

require 'benchmark'
require 'openssl'

NUM_THREADS = 40
NUM_DIGESTS = 100_000

puts Benchmark.measure {
  threads = NUM_THREADS.times.map do
    Thread.new do
      secret = 'foobarbaz'
      data = 'bingobongo'*100
      NUM_DIGESTS.times do
        OpenSSL::HMAC.hexdigest(OpenSSL::Digest::SHA1.new, secret, data)
      end
    end
  end
  threads.each(&:join)
}