using System;

using System.Diagnostics;

public class Program

{

    const int _max = 100000000;

    public static void Main()

    {

         // Create Action delegate for Method1.

        Action<int> action = new Action<int>(Method1);

​

        var s1 = Stopwatch.StartNew();

        for (int i = 0; i < _max; i++)

        {

            // Direct call.

            Method1(5);

        }

        s1.Stop();

        var s2 = Stopwatch.StartNew();

        for (int i = 0; i < _max; i++)

        {

            // Delegate call.

            action.Invoke(5);

        }

        s2.Stop();

        Console.WriteLine(((double)(s1.Elapsed.TotalMilliseconds * 1000 * 1000) /

            _max).ToString("0.00 ns"));

        Console.WriteLine(((double)(s2.Elapsed.TotalMilliseconds * 1000 * 1000) /

            _max).ToString("0.00 ns"));

    }

    static void Method1(int param)

    {

        // Dummy.

        if (param == -1)

        {

            throw new Exception();

        }

    }

}