并行运算和普通运算之性能比较

 static int maxNum = 1000000;      
        static void Main(string[] args)
        {
            //迭代次数
            int iterationNum = 3;
            CodeTimer.Initialize();
            CodeTimer.Time("普通循环计算", iterationNum, new Action(NormalCompute));
            CodeTimer.Time("1次并行循环计算", iterationNum, new Action(ParallelCompute_1));
            CodeTimer.Time("2次并行循环计算", iterationNum, new Action(ParallelCompute_2));
            Console.Read();
        }
        private static void NormalCompute()
        {
            for (int i = 1; i <= maxNum; i++)
            {
                Math.Pow(i, i + 1);
            }
        }

        private static void ParallelCompute_1()
        {
            Parallel.For(1, maxNum, (i) =>
                {
                    Math.Pow(i, i + 1);
                });
        }
        private static void ParallelCompute_2()
        {
            Parallel.For(1, maxNum / 2, (i) =>
            {
                Math.Pow(i, i + 1);
            });
            Parallel.For(maxNum / 2 + 1, maxNum, (i) =>
            {
                Math.Pow(i, i + 1);
            });
        }