并行计算

  #region Parallel.Invoke
            Stopwatch watch = new Stopwatch();
            watch.Start();
            Parallel.Invoke(Pinvoke1, Pinvoke2);
            watch.Stop();
            Console.WriteLine("Parallel run " + watch.ElapsedMilliseconds + " ms");
            watch.Reset();
            watch.Start();
            Pinvoke1();
            Pinvoke2();
            watch.Stop();
            Console.WriteLine("Normal run " + watch.ElapsedMilliseconds + " ms");
            Console.ReadKey();

            #endregion Parallel.Invoke

  private static void Pinvoke1()
        {
            Thread.Sleep(3000);
            Console.WriteLine("Pinvoke1 ThreadId="+Thread.CurrentContext.ContextID);
        }

        private static void Pinvoke2()
        {
            Thread.Sleep(2000);
            Console.WriteLine("Pinvoke2 ThreadId=" + Thread.CurrentContext.ContextID);
        }