singleThreadedMultiplication1

gistfile1.scala

  @inline def singleThreadedMultiplication1(m1:Seq[Array[Double]], m2:Array[Array[Double]] ) ={
    val res =  Array.ofDim[Double](m1.length, m2(0).length)
    var col, i  = 0
    var row = 0

    // while statements are much faster than for statements
    while(row < m1.length){ col = 0
      while(col < m2(0).length){ i = 0
        while(i < m1(0).length){
          res(row)(col) += m1(row)(i) * m2(i)(col)
          i+=1
        }
        col += 1
      }
      row += 1
    }
    res
  }