wp-create-object-on-the-stack-using-stackalloc-09.cs

static void Main(string[] args)
{
    int iteration = 50000000;

    UnsafeSquare(30);
    Square(30);

    var sw = new Stopwatch();
    sw.Start();

    for (int i = 0; i < iteration; ++i)
    {
        UnsafeSquare(30);
    }

    sw.Stop();

    Console.WriteLine($"Unsafe: {sw.ElapsedMilliseconds}ms");

    sw.Restart();

    for (int i = 0; i < iteration; ++i)
    {
        Square(30);
    }

    sw.Stop();

    Console.WriteLine($"Safe: {sw.ElapsedMilliseconds}ms");
    Console.ReadLine();
}