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);
});
}