using System;
public class Program
{
public static void Main()
var byteArray = new System.Collections.Generic.List<byte>(20000000);
//var byteArray = new byte[20000000];
var sw = System.Diagnostics.Stopwatch.StartNew();
var counter = 0;
foreach( var item in byteArray )
Console.WriteLine( "Item" + item );
Console.WriteLine(sw.Elapsed);
}