path: root/test/benchmarking/AVL-insert-random.scala

package scala.collection





class Dummy(val a: Int) extends math.Ordered[Dummy] {
  def compare(other: Dummy) = this.a - other.a
  override def toString = a.toString
}


object RandomGlobal {
  val sz = 500000
  val data = util.Random.shuffle((0 until sz) map { new Dummy(_) }) toArray;
}


import RandomGlobal._


object RandomAVL extends testing.Benchmark {
  
  def run() {
    val avl = new collection.mutable.TreeSet[Dummy]
    
    var i = 0
    while (i < sz) {
      val elem = data(i)
      avl += elem
      i += 1
    }
  }
  
}


object RandomImmutableTreeSet extends testing.Benchmark {
  
  def run() {
    var tree = new collection.immutable.TreeSet[Dummy]
    
    var i = 0
    while (i < sz) {
      val elem = data(i)
      tree += elem
      i += 1
    }
  }
  
}


object RandomJavaTreeSet extends testing.Benchmark {
  
  def run() {
    val tree = new java.util.TreeSet[Dummy]
    
    var i = 0
    while (i < sz) {
      val elem = data(i)
      tree add elem
      i += 1
    }
  }
  
}