private UInt64[] DecompressMany(String value, Int32 count) { var input = new MemoryStream(BitOperation.ParseToBytes(value)); var codec = new FibonacciCodec(); var output = codec.DecompressUnsigned(input, count); return(output.ToArray()); }
static void Main(String[] args) { //#1 // Write: 7865ms 9.7MB/s // Read: 17392ms 4.39MB / s // ASync Read: 2935ms 25.99MB / s // #2 // Write: 14,115ms 5.41MB/s // Read: 6,226ms 12.25MB/s // #3 // Compress: 11801ms 6.47MB / s // Decompress: 6967ms 10.95MB / s // #4 // Compress: 10291ms 7.41MB/s // Decompress: 5819ms 13.11MB / s // #5 // FIBONACCI // Compress: 5986ms 12.75MB / s Total 38MB // Decompress: 3455ms 22.08MB / s // VLQ // Compress: 386ms 197.65MB / s Total 36MB // Decompress: 874ms 87.29MB / s Int32 min = 100000; Int32 count = 10000000; // Seed var input = new List <UInt64>((Int32)count); for (var v = min; v < min + count; v++) { input.Add((UInt64)v); } ////////////////////////////////////////// Console.WriteLine("FIBONACCI"); Codec codec = new FibonacciCodec(); var compressed = new MemoryStream((Int32)count * 5); // Compress var stopWatch = Stopwatch.StartNew(); codec.CompressUnsigned(compressed, input.ToArray()); stopWatch.Stop(); Console.WriteLine("Compress: " + stopWatch.ElapsedMilliseconds + "ms " + Math.Round((Double)count * 1000 * 8 / 1024 / 1024 / stopWatch.ElapsedMilliseconds, 2) + "MB/s Total " + (compressed.Length / 1024 / 1024) + "MB"); // Rewind compressed.Position = 0; // Decompress stopWatch = Stopwatch.StartNew(); var output = codec.DecompressUnsigned(compressed, input.Count).ToList(); stopWatch.Stop(); Console.WriteLine("Decompress: " + stopWatch.ElapsedMilliseconds + "ms " + Math.Round((Double)count * 1000 * 8 / 1024 / 1024 / stopWatch.ElapsedMilliseconds, 2) + "MB/s"); // Validate var pos = 0; for (var v = min; v < min + count; v++) { if ((int)output[pos++] != v) { throw new Exception("Incorrect result. Expected " + v + " got " + output[v] + "."); } } ////////////////////////////////////////// Console.WriteLine("VLQ"); codec = new VLQCodec(); compressed = new MemoryStream((Int32)count * 5); // Compress stopWatch = Stopwatch.StartNew(); codec.CompressUnsigned(compressed, input.ToArray()); stopWatch.Stop(); Console.WriteLine("Compress: " + stopWatch.ElapsedMilliseconds + "ms " + Math.Round((Double)count * 1000 * 8 / 1024 / 1024 / stopWatch.ElapsedMilliseconds, 2) + "MB/s Total " + (compressed.Length / 1024 / 1024) + "MB"); // Rewind compressed.Position = 0; // Decompress stopWatch = Stopwatch.StartNew(); output = codec.DecompressUnsigned(compressed, input.Count).ToList(); stopWatch.Stop(); Console.WriteLine("Decompress: " + stopWatch.ElapsedMilliseconds + "ms " + Math.Round((Double)count * 1000 * 8 / 1024 / 1024 / stopWatch.ElapsedMilliseconds, 2) + "MB/s"); // Validate pos = 0; for (var v = min; v < min + count; v++) { if ((int)output[pos++] != v) { throw new Exception("Incorrect result. Expected " + v + " got " + output[v] + "."); } } Console.WriteLine("\nDone."); Console.ReadKey(true); }