Arrays.sort

arrays-sort.scala

def sort(a: Array[Int]) = {
    java.util.Arrays.sort(a)
}

def profile[T](what: String)(action: => T) = {
    val start = System.currentTimeMillis()
    val r = action
    val delta = System.currentTimeMillis() - start
    println(what + ": " + delta + "; " + r)
}


while (true) {
    val a = new Array[Int](20 * 1000 * 1000)
    val r = new java.util.Random
    for (i <- 1 to a.length) {
        a(i - 1) = r.nextInt()
    }
    profile("sort")(sort(a))
}

// vim: set ts=4 sw=4 et: