生成一个方法以返回另一个方法的执行时间

我刚刚创建了一个这样的方法来测试 this SO question :

private static TimeSpan MeasureExecTime(Action action, int iterations)
{
    action(); // warm up
    var sw = Stopwatch.StartNew();
    for (int i = 0; i < iterations; i++)
    {
        action();
    }
    return sw.Elapsed;
}

用法:

MeasureExecTime(() => DoSomething(5), 100000);

见 280Z28 如果不想测试多个迭代,请给出答案:-)

public static TimeSpan MeasureExecTime(Action action)
{
    Stopwatch stopwatch = Stopwatch.StartNew();
    action();
    return stopwatch.Elapsed;
}

关于这个话题,请看这条线索进行长时间的讨论,公认的答案有不少缺陷。

Benchmarking small code samples in C#, can this implementation be improved?

链接: Simplify Time Measurement in Tests and Debug Code