ScalaMatchBenchmark.scala

def matching(str: String): Boolean = str match {
  case "another string" => false
  case "yet another" => false
  case "not this" => false
  case "hello world" => true
  case other => false
}

def iffing(str: String): Boolean = {
  if (str == "another string") false
  else if (str == "yet another") false
  else if (str == "not this") false
  else if (str == "hello world") true
  else false
}

def matchBenchmark() = {
  val startMatching = System.currentTimeMillis
  var i = 0
  val rounds = 1000000
  while (i < rounds) {
    matching("hello world")
    matching("nothing here")
    i = i + 1
  }
  def delta = System.currentTimeMillis - startMatching
  println(s"time = $delta")
  delta
}

def ifBenchmark() = {
  val startIffing = System.currentTimeMillis
  var i = 0
  val rounds = 1000000
  while (i < rounds) {
    iffing("hello world")
    iffing("nothing here")
    i = i + 1
  }
  def delta = System.currentTimeMillis - startIffing
  println(s"time = $delta")
  delta
}

matchBenchmark()
matchBenchmark()
matchBenchmark()
matchBenchmark()

ifBenchmark()
ifBenchmark()
ifBenchmark()
ifBenchmark()