Matrix multiplication with parallel collections and idiomatic scala

gistfile1.scala

  def multiThreadedIdiomatic(m1:Seq[Array[Double]], m2:Array[Array[Double]] ) ={
    val res =  Array.fill(m1.length, m2(0).length)(0.0)
    for(row <- (0 until m1.length).par;
        col <- (0 until m2(0).length).par;
        i   <- 0 until m1(0).length){
      res(row)(col) += m1(row)(i) * m2(i)(col)
    }
    res
  }