Exemplo n.º 1
0
        private static void ProcessOneDatabase
        (
            [NotNull] string inputFileName
        )
        {
            using (DirectAccess64 accessor
                       = new DirectAccess64(inputFileName, DirectAccessMode.ReadOnly))
            {
                int maxMfn = accessor.GetMaxMfn();
                Console.WriteLine("{0}: Max MFN={1}", inputFileName, maxMfn);

                for (int mfn = 1; mfn < maxMfn; mfn++)
                {
                    if (mfn % 100 == 1)
                    {
                        Console.Write(" {0} ", mfn - 1);
                    }

                    try
                    {
                        MarcRecord record = accessor.ReadRecord(mfn);
                        if (!ReferenceEquals(record, null))
                        {
                            ReaderInfo readerInfo = ReaderInfo.Parse(record);
                            string     ticket     = readerInfo.Ticket;
                            if (string.IsNullOrEmpty(ticket))
                            {
                                continue;
                            }

                            DepersonalizedReader depersonalized;
                            if (readers.TryGetValue(ticket, out depersonalized))
                            {
                                depersonalized.AddVisits(readerInfo.Visits);
                            }
                            else
                            {
                                depersonalized = DepersonalizedReader
                                                 .FromReaderInfo(readerInfo);
                                readers.Add(ticket, depersonalized);
                            }
                        }
                    }
                    catch (Exception exception)
                    {
                        Console.WriteLine();
                        Console.WriteLine("MFN {0}: {1}", mfn, exception.Message);
                    }
                }
            }

            Console.WriteLine("Total: {0}", readers.Count);
            Console.WriteLine("Memory: {0}", Process.GetCurrentProcess().WorkingSet64);
        }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            if (args.Length != 1)
            {
                return;
            }

            try
            {
                DirectAccess64 irbis  = new DirectAccess64(args[0]);
                int            maxMfn = irbis.GetMaxMfn();
                Console.WriteLine("Max MFN={0}", maxMfn);

                Parallel.For(1, maxMfn, mfn =>
                {
                    if (mfn % 1000 == 1)
                    {
                        Console.Write(".");
                    }

                    try
                    {
                        MarcRecord record = irbis.ReadRecord(mfn);
                        if (!ReferenceEquals(record, null))
                        {
                            ProcessRecord(record);
                        }
                    }
                    catch
                    {
                        // Do nothing
                    }
                });
                irbis.Dispose();

                using (StreamWriter writer = File.CreateText("publishers.txt"))
                {
                    string[] keys = counter1.Keys.OrderBy(_ => _).ToArray();
                    foreach (string key in keys)
                    {
                        writer.WriteLine("{0}\t{1}\t{2}", key, counter1[key],
                                         counter2[key]);
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
        }
Exemplo n.º 3
0
        static void Main(string[] args)
        {
            if (args.Length != 1)
            {
                Console.WriteLine("Need 1 argument");
                return;
            }

            string inputFileName = args[0];

            Stopwatch stopwatch = new Stopwatch();

            stopwatch.Start();

            try
            {
                stopwords = IrbisStopWords.ParseFile("IBIS.STW");

                string source = File.ReadAllText("words.pft");
                formatter = new PftFormatter()
                {
                    Program = PftUtility.CompileProgram(source)
                };

                //DataflowLinkOptions linkOptions = new DataflowLinkOptions
                //{
                //    PropagateCompletion = true
                //};
                //ExecutionDataflowBlockOptions executionOptions
                //    = new ExecutionDataflowBlockOptions
                //{
                //    MaxDegreeOfParallelism = 4
                //};
                //processBlock = new ActionBlock<MarcRecord>
                //    (
                //        (Action<MarcRecord>)ProcessRecord,
                //        executionOptions
                //    );

                using (FileStream stream = File.Create("words.bin"))
                    using (writer = new BinaryWriter(stream))
                        using (accessor = new DirectAccess64(inputFileName))
                        {
                            //maxMfn = accessor.GetMaxMfn();
                            maxMfn = 150000;
                            Console.WriteLine("Max MFN={0}", maxMfn);

                            // Сначала считываем все записи
                            for (int mfn = 1; mfn < maxMfn; mfn++)
                            {
                                ReadRecord(mfn);
                            }
                        }

                using (StreamWriter textWriter = File.CreateText("words.dic"))
                {
                    string[] keys = dictionary.Keys.ToArray();
                    Array.Sort(keys);
                    foreach (string key in keys)
                    {
                        textWriter.WriteLine("{0}\t{1}", key, dictionary[key]);
                    }
                }

                // Дожидаемся завершения
                // processBlock.Complete();
                // processBlock.Completion.Wait();

                Console.WriteLine
                (
                    "Good records={0}, dictionary size={1}, longest array={2}",
                    goodRecords,
                    dictionary.Count,
                    longest
                );

                DictionaryCounterInt32 <int> counter = new DictionaryCounterInt32 <int>();
                using (FileStream stream = File.OpenRead("words.bin"))
                    using (BinaryReader reader = new BinaryReader(stream))
                    {
                        while (stream.Position < stream.Length)
                        {
                            BookData data = new BookData();
                            data.RestoreFromStream(reader);
                            foreach (int word in data.Words)
                            {
                                counter.Increment(word);
                            }
                        }
                    }

                int maxCount  = counter.Values.Max();
                int threshold = maxCount / 5 + 1;
                Console.WriteLine
                (
                    "Max count={0}, threshold={1}",
                    maxCount,
                    threshold
                );

                using (FileStream stream = File.OpenRead("words.bin"))
                    using (BinaryReader reader = new BinaryReader(stream))
                        using (StreamWriter textWriter = File.CreateText("words.csv"))
                        {
                            while (stream.Position < stream.Length)
                            {
                                BookData data = new BookData();
                                data.RestoreFromStream(reader);

                                int i;
                                for (i = 0; i < data.Words.Length; i++)
                                {
                                    textWriter.Write("{0},", data.Words[i]);
                                }
                                for (; i < longest; i++)
                                {
                                    textWriter.Write("0,");
                                }
                                textWriter.WriteLine("{0}", data.Count);
                            }
                        }

                Console.WriteLine("Complete");
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception);
            }

            stopwatch.Stop();
            TimeSpan elapsed = stopwatch.Elapsed;

            Console.WriteLine("Elapsed: {0}", elapsed.ToAutoString());
        }
Exemplo n.º 4
0
        static void Main(string[] args)
        {
            if (args.Length != 1)
            {
                Console.WriteLine("Usage: DirectWriterBenchmark <path-to-MST>");

                return;
            }

            Stopwatch stopwatch = new Stopwatch();

            stopwatch.Start();

            string masterPath = args[0];

            try
            {
                DirectUtility.CreateDatabase64(masterPath);

                using (DirectAccess64 accessor = new DirectAccess64(masterPath))
                {
                    for (int i = 0; i < 10000; i++)
                    {
                        if (i % 1000 == 0)
                        {
                            Console.Write(".");
                        }

                        MarcRecord record = new MarcRecord();
                        record.BeginUpdate(100);
                        for (int tag = 200; tag < 300; tag++)
                        {
                            record.Fields.Add
                            (
                                new RecordField
                                (
                                    tag,
                                    "Это поле номер " + tag
                                )
                            );
                        }
                        record.EndUpdate();
                        accessor.WriteRecord(record);
                    }

                    Console.WriteLine();

                    for (int approach = 0; approach < 10; approach++)
                    {
                        Console.WriteLine("Approach {0}", approach + 1);
                        for (int mfn = 1; mfn <= 1000; mfn++)
                        {
                            MarcRecord record = accessor.ReadRecord(mfn)
                                                .ThrowIfNull("accessor.ReadRecord(mfn)");
                            record.Fields.Add
                            (
                                new RecordField
                                (
                                    300,
                                    "Запись отредактирована " + DateTime.Now
                                )
                            );
                            accessor.WriteRecord(record);
                        }
                    }
                }

                stopwatch.Stop();
                Console.WriteLine
                (
                    "Elapsed: {0}",
                    stopwatch.Elapsed
                );
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception);
            }
        }
Exemplo n.º 5
0
        static void Main(string[] args)
        {
            if (args.Length != 1)
            {
                Console.WriteLine("Usage: DirectReaderBenchmark <path-to-MST>");

                return;
            }

            string masterPath = args[0];

            try
            {
                IrbisEncoding.RelaxUtf8();

                Console.WriteLine("Open: {0}", masterPath);

                Stopwatch stopwatch = new Stopwatch();
                stopwatch.Start();

                using (DirectAccess64 reader = new DirectAccess64(masterPath))
                {
                    int maxMfn = reader.GetMaxMfn();
                    Console.WriteLine("Max MFN={0}", maxMfn);

                    Parallel.For
                    (
                        1,
                        maxMfn,
                        mfn =>
                    {
                        try
                        {
                            MarcRecord record = reader.ReadRecord(mfn);
                            //Console.Write('.');
                            if (!ReferenceEquals(record, null))
                            {
                                Debug.Assert(record.Mfn == mfn);
                            }
                        }
                        catch (Exception exception)
                        {
                            Console.WriteLine
                            (
                                "MFN={0}: exception: {1}",
                                mfn,
                                exception
                            );
                        }
                    }
                    );
                }

                stopwatch.Stop();

                Console.WriteLine();
                Console.WriteLine();
                Console.WriteLine("Close: {0}", masterPath);
                Console.WriteLine
                (
                    "Elapsed: {0} sec",
                    stopwatch.Elapsed.ToSecondString()
                );
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception);
            }
        }