Scratching Parallel with StopWatch

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;

namespace Scratch.ParallelProcessing
{
    class Program
    {
        static void Main(string[] args)
        {
            const int count = 10000000;
            var source1 = Enumerable.Range(0, count).ToArray();
            var source2 = Enumerable.Range(0, count).ToArray();
            var source3 = Enumerable.Range(0, count).ToArray();

            Stopwatch stopwatch = new Stopwatch();

            var parallelElapsedTimes = new List<TimeSpan>();
            var linearElapsedTimes = new List<TimeSpan>();
            var linqSelectElapsedTimes = new List<TimeSpan>();

            for (int i = 0; i < 10; i++)
            {
                stopwatch.Reset();
                stopwatch.Start();
                var parallelResults = Parallel.ForEach(source1, s => s %= 2);
                parallelElapsedTimes.Add(stopwatch.Elapsed);
                stopwatch.Reset();

                stopwatch.Start();
                LinearAction(source2, s => s %= 2);
                linearElapsedTimes.Add(stopwatch.Elapsed);
                stopwatch.Reset();

                stopwatch.Reset();
                stopwatch.Start();
                Array.ForEach(source3, s => s = s % 2);
                linqSelectElapsedTimes.Add(stopwatch.Elapsed);
                stopwatch.Reset();

            }

            Console.WriteLine("Elapsed TimettMinttMaxtttAvg");
            Console.WriteLine("============tt===tt===ttt===");
            Console.WriteLine("{0}tt{1}tt{2}ttt{3}", "Parallel", parallelElapsedTimes.Min(t => t.Milliseconds), parallelElapsedTimes.Max(t => t.Milliseconds), parallelElapsedTimes.Average(t => t.Milliseconds));
            Console.WriteLine("{0}ttt{1}tt{2}ttt{3}", "Linear", linearElapsedTimes.Min(t => t.Milliseconds), linearElapsedTimes.Max(t => t.Milliseconds), linearElapsedTimes.Average(t => t.Milliseconds));
            Console.WriteLine("{0}ttt{1}tt{2}ttt{3}", "Linq", linqSelectElapsedTimes.Min(t => t.Milliseconds), linqSelectElapsedTimes.Max(t => t.Milliseconds), linqSelectElapsedTimes.Average(t => t.Milliseconds));

        }

        public static void LinearAction<T>(IEnumerable<T> source, Action<T> action)
        {
            foreach (var s in source) action(s);
        }
    }
}