Write less code

Results.cs

//output : 
Normal Array Elapsed Time:  10831
Parallel For  Elapsed Time:  39028
Clone Elapsed Time:  2149


//code
[Test]
        public void zz()
        { 
            int[,] srcArray = new int[Byte.MaxValue,Byte.MaxValue];
            int[,] destArray = new int[Byte.MaxValue,Byte.MaxValue];

            Stopwatch sw = Stopwatch.StartNew();
            for (int i = 0; i < Byte.MaxValue; i++)
            {
                for (int j = 0; j < Byte.MaxValue; j++)
                {
                    destArray[i,j] = srcArray[i,j];
                }
            }
            sw.Stop();
            Console.WriteLine("Normal Array Elapsed Time:  " + sw.Elapsed.Ticks);

            sw = Stopwatch.StartNew();
            Parallel.For(0, Byte.MaxValue,
                i => Parallel.For(0, Byte.MaxValue, 
                    j => destArray[i,j] = srcArray[i,j]));
            sw.Stop();
            Console.WriteLine("Parallel For  Elapsed Time:  " + sw.Elapsed.Ticks);


            sw = Stopwatch.StartNew();
            destArray = (int[,])srcArray.Clone();
            sw.Stop();
            Console.WriteLine("Clone Elapsed Time:  " + sw.Elapsed.Ticks);
        }