Example #1
0
        private static void TestBinPackingRealistic()
        {
            const int size   = 32;
            const int amount = 200;


            var packets = new List <Packet>();
            var rnd     = new Random();

            for (int i = 0; i < 40 * amount; i++)
            {
                packets.Add(new Packet(null, rnd.Next(1, 6)));
            }
            for (int i = 0; i < 15 * amount; i++)
            {
                packets.Add(new Packet(null, rnd.Next(6, 20)));
            }
            for (int i = 0; i < 3 * amount; i++)
            {
                packets.Add(new Packet(null, rnd.Next(16, 33)));
            }

            var sws = new Stopwatch();

            sws.Start();
            var binsStupid = BinPackingSolvers.SolveStupid(new List <Packet>(packets), size);

            sws.Stop();

            var swBf = new Stopwatch();

            swBf.Start();
            var binsBf = BinPackingSolvers.SolveBestFitMaybe(new List <Packet>(packets), size);

            swBf.Stop();

//            Console.WriteLine("binsStupid:");
//            printBin(binsStupid, size);
//            Console.WriteLine("binsBF:");
//            printBin(binsBF, size);
            Console.WriteLine(
                $"binsStupid:{binsStupid.Count} {CalcFreeSpaceBins(binsStupid, size)} {sws.ElapsedMilliseconds}ms+{sws.ElapsedTicks}");
            Console.WriteLine(
                $"binsBF:{binsBf.Count} {CalcFreeSpaceBins(binsBf, size)} {swBf.ElapsedMilliseconds}ms+{swBf.ElapsedTicks}");


            Console.ReadKey();
        }
Example #2
0
        private static void TestBinPacking()
        {
            List <Packet> packets = new List <Packet>();
            const int     min     = 3;
            const int     max     = 8;
            const int     size    = 10;
            const int     amount  = 1;


            for (int j = 0; j < amount; j++)
            {
                for (int i = min; i <= max; i++)
                {
                    packets.Add(new Packet(null, i));
                }
            }
            var binsStupid = BinPackingSolvers.SolveStupid(new List <Packet>(packets), size);
            var binsBf     = BinPackingSolvers.SolveBestFitMaybe(new List <Packet>(packets), size);

            Console.WriteLine($"binsStupid:{binsStupid.Count} {CalcFreeSpaceBins(binsStupid, size)}");
            PrintBin(binsStupid, size);
            Console.WriteLine($"binsBF:{binsBf.Count} {CalcFreeSpaceBins(binsBf, size)}");
            PrintBin(binsBf, size);
            Console.WriteLine("now random numbers");
            packets = new List <Packet>();
            var rnd = new Random();

            for (int i = 0; i < (max - min + 1) * amount; i++)
            {
                packets.Add(new Packet(null, rnd.Next(min, max)));
            }
            binsStupid = BinPackingSolvers.SolveStupid(new List <Packet>(packets), size);
            binsBf     = BinPackingSolvers.SolveBestFitMaybe(new List <Packet>(packets), size);
            Console.WriteLine($"binsStupid:{binsStupid.Count} {CalcFreeSpaceBins(binsStupid, size)}");
            PrintBin(binsStupid, size);
            Console.WriteLine($"binsBF:{binsBf.Count} {CalcFreeSpaceBins(binsBf, size)}");
            PrintBin(binsBf, size);


            Console.ReadKey();
        }