Multi-threaded Task performance test

taskstress.cs

using System;
using System.Threading.Tasks;

class Program
{
    static async ValueTask<int> Step(int i)
    {
        if (i >= 999)
            await Task.Delay(1);
        else
            await Task.Yield();

        return i + 1;
    }

    static async Task Work()
    {
        Random r = new Random();
        for (int i = 0; i < 100000; i++)
        {
            await Step(r.Next(1000));
        }
    }

    static void Main(string[] args)
    {
        long total = 0;
        for (int c = 1; ; c++)
        {
            int start = Environment.TickCount;
            Task[] tasks = new Task[Environment.ProcessorCount * 4];
            for (int i = 0; i < tasks.Length; i++)
            {
                tasks[i] = Work();
            }
            Task.WaitAll(tasks);
            int end = Environment.TickCount;
            total += (end - start);
            Console.WriteLine($"{end - start} Average: {total / c}");
        }
    }
}