Parallel JIT Stress

using System;
using System.Reflection.Emit;
using System.Threading;

class Program
{
    static Barrier b = new Barrier(Environment.ProcessorCount + 1);

    static void Work()
    {
        Action[] delegates = new Action[100000];
        for (int i = 0; i < delegates.Length; i++)
        {
            DynamicMethod dm = new DynamicMethod("Noop", typeof(void), null);
            ILGenerator iLGenerator = dm.GetILGenerator();
            iLGenerator.Emit(OpCodes.Ret);
            delegates[i] = ((Action)dm.CreateDelegate(typeof(Action)));
        }
        GC.Collect();

        b.SignalAndWait();

        for (int i = 0; i < delegates.Length; i++)
            delegates[i]();

        b.SignalAndWait();
    }

    static void Main(string[] args)
    {
        for (int i = 1; i < b.ParticipantCount; i++)
            new Thread(Work).Start();

        b.SignalAndWait();

        int start = Environment.TickCount;
        b.SignalAndWait();
        int end = Environment.TickCount;

        Console.WriteLine(end - start);
    }
}