FastLoopTest.cs

using System;
using System.Diagnostics;
using System.Globalization;
using System.Threading;
using System.Threading.Tasks;

namespace TweetStreamTest
{
    public class FastLoopTest
    {
        private static double count = 0;
        private static Stopwatch watch = null;
        private static int threadCount = 4;
        private static Timer timer;

        public void Start()
        {
            watch = new Stopwatch();
            watch.Start();

            timer = new Timer(Timer_Callback, null, 0, 1000);

            int i = 1;
            while (i <= threadCount)
            {
                Console.WriteLine("Creating thread " + i);
                Task.Factory.StartNew(() =>
                {
                    Loop();
                });
                i++;
            }
        }

        private void Loop()
        {
            while (true)
            {
                count++;
            }
        }

        private static void Timer_Callback(object state)
        {
            if (watch != null)
            {
                double rate = count / watch.Elapsed.TotalSeconds;
                Console.WriteLine("{0}\t{1}",
                                  count.ToString("0,0", CultureInfo.InvariantCulture),
                                  ((int)rate).ToString("0,0", CultureInfo.InvariantCulture));
            }
        }
    }
}