Пример #1
0
        private static void Test(int count, int k, Algo algo, int b = 65536)
        {
            Console.WriteLine("Test " + algo + " on " + count + " elements, k = " + k + " b = " + b);
            // always produce the same pseudo-random numbers
            m_z = 6531;
            m_w = 1365801;
            System.IO.StreamWriter file = new System.IO.StreamWriter("result.txt", true);
            var before = DateTime.UtcNow;

            IList <uint> list;

            switch (algo)
            {
            case Algo.List:
                list = new List <uint>(count);
                break;

            case Algo.External:
                list = new ExternalMemoryList <uint>("directory", count / k);
                break;

            default:
                list = new KMerge <uint>("directory", k, b);
                break;
            }
            for (int i = 0; i < count; i++)
            {
                list.Add(get_random());
            }
            var then = DateTime.UtcNow;

            if (list is List <uint> )
            {
                (list as List <uint>).Sort();
            }
            else
            {
                (list as ExternalMemoryList <uint>).Sort();
            }

            var now = DateTime.UtcNow;

            Console.WriteLine("===" + list.ToString() + " on " + count + " elements:");
            Console.WriteLine("All:" + (now - before));
            Console.WriteLine("Sort: " + (now - then));
            Console.WriteLine("===================================");
            file.WriteLine("===" + list.ToString() + " on " + count + " elements:");
            file.WriteLine("All:" + (now - before));
            file.WriteLine("Sort: " + (now - then));
            file.WriteLine("===================================");
            file.Close();
        }
Пример #2
0
 internal Enumerator(ExternalMemoryList <T> colletion)
 {
     this.collection = colletion;
 }