gistfile1.cs

        public static readonly int[] HR = new int[32487834];        

        private static unsafe void Init()
        {
            var lutFileInfo = new FileInfo(@"C:\Handranks.dat");

            if (!lutFileInfo.Exists)
            {
                GenerateFile();
            }

            Console.Write("Loading HandRanks..");
            var timer = Stopwatch.StartNew();
            using (var lutFile = new FileStream(@"C:\Handranks.dat", FileMode.Open, FileAccess.Read, FileShare.ReadWrite,4096))
            {
                var tempBuffer = new byte[32487834*4];
                lutFile.Read(tempBuffer, 0, 32487834*4);
                fixed (int* pLut = HR)
                {
                    Marshal.Copy(tempBuffer, 0, (IntPtr) pLut, 32487834*4);
                }
                tempBuffer = null;
            }
            timer.Stop();
            Console.WriteLine(" done");
            Console.WriteLine("\t Time Required: {0}ms", timer.ElapsedMilliseconds);
        }