Rakefile in blind_index-0.2.1 vs Rakefile in blind_index-0.3.0

@@ -7,5 +7,22 @@
   t.test_files = FileList["test/**/*_test.rb"]
   t.warning = false
 end
 
 task default: :test
+
+task :benchmark do
+  require "securerandom"
+  require "benchmark/ips"
+  require "blind_index"
+  require "scrypt"
+  require "argon2"
+
+  key = SecureRandom.random_bytes(32)
+  value = "secret"
+
+  Benchmark.ips do |x|
+    x.report("pbkdf2_hmac") { BlindIndex.generate_bidx(value, key: key, algorithm: :pbkdf2_hmac) }
+    x.report("scrypt") { BlindIndex.generate_bidx(value, key: key, algorithm: :scrypt) }
+    x.report("argon2") { BlindIndex.generate_bidx(value, key: key, algorithm: :argon2) }
+  end
+end