ReleaseDebugInlining

Program.cs

using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;

namespace DebugVsRelease
{
    class Constants
    {
        public const int Itterations = 1000000;
    }

    class Program
    {
        static void Main(string[] args)
        {
            var fiddler = new Fiddler();
            var sw = new Stopwatch();

            try
            {
                long sum = 0;
                for (var i = 1; i <= Constants.Itterations; i++)
                {
                    sw.Start();
                    var r = fiddler.FiddleWithThis(0, i);
                    sw.Stop();
                    sum += r;
                }

                Console.WriteLine(sum);
            }
            catch (Exception ex)
            {
                sw.Stop();

                Console.WriteLine("EC " + fiddler.ErrCount);
                Console.WriteLine(ex.ToString());
            }
            Console.WriteLine(sw.Elapsed.TotalMilliseconds);
            Console.ReadKey();
        }
    }

    public class Fiddler
    {
        public int ErrCount = 0;

        public int FiddleWithThis(int a, int b)
        {
            return TestA(a, b);
        }

        //[MethodImpl(MethodImplOptions.NoInlining)]
        private int TestA(int x, int y)
        {
            return TestB(x, y);
            //try
            //{
            //    return TestB(x, y);
            //}
            //catch (Exception)
            //{
            //    ErrCount++;
            //    throw;
            //}
        }

        //[MethodImpl(MethodImplOptions.NoInlining)]
        private int TestB(int x, int y)
        {
            return TestC(x, y);
            //try
            //{
            //    return TestC(x, y);
            //}
            //catch (Exception)
            //{
            //    ErrCount++;
            //    throw;
            //}
        }

        private int TestC(int x, int y)
        {
            if (y == Constants.Itterations)
                throw new Exception("Failed in TestC.");

            return x + y;
        }
    }
}