public async Task TestBatchRequestAggregator()
        {
            var btp   = new BatchRequestAggregator(4);
            var sw    = Stopwatch.StartNew();
            var bag   = new ConcurrentBag <int>();
            var proxy = btp.GetBuilder <int, string>(async xs =>
            {
                await Task.Delay(100);
                Console.WriteLine("batch size: {0}, @{1}, by thread:{2}", xs.Count, sw.ElapsedMilliseconds, Thread.CurrentThread.ManagedThreadId);
                bag.Add(xs.Count);
                return((from x in xs select x.ToString()).ToList());
            }).WithMaxBatchSize(50).Create();
            var tasks = (from t in Enumerable.Range(0, 100)
                         select proxy.InvokeAsync(Enumerable.Range(t, 10).ToList())).ToArray();
            await Task.WhenAll(tasks);

            Console.WriteLine("Total: {0}ms", sw.ElapsedMilliseconds);
            Console.WriteLine("Average size: {0}", bag.Average());
            Assert.IsTrue(sw.ElapsedMilliseconds > 200, "Pool not effective!");
            Assert.IsTrue(sw.ElapsedMilliseconds < 1000, "Merge not effective!");
            Assert.IsTrue(bag.Average() > 30.0, "Merge not effective!");
            for (int i = 0; i < tasks.Length; i++)
            {
                var results = tasks[i].Result;
                for (int j = 0; j < 10; j++)
                {
                    Assert.AreEqual((i + j).ToString(), results[j], "Error at {0}-{1}, Expected:{2}, Actual:{3}", i, j, (i + j).ToString(), results[j]);
                }
            }
        }
示例#2
0
        static void Main(string[] args)
        {
            string countStr;

            do
            {
                Console.Write("请输入启动线程数:");
                countStr = Console.ReadLine();
                int count = Convert.ToInt32(countStr);
                int times = 0;
                do
                {
                    Semaphore task = new Semaphore(0, count);
                    Semaphore wait = new Semaphore(0, count);

                    for (int i = 0; i < count; i++)
                    {
                        new Thread(Send).Start(new Tuple <Semaphore, Semaphore>(task, wait));
                    }
                    task.Release(count);
                    Console.WriteLine("请等待线程执行结束");
                    WaitAll(wait, count);
                    Console.WriteLine("平均耗时:{0}", list.Average());
                } while (++times < 100);
                Console.WriteLine("总平均耗时:{0}", list.Average());
            } while (true);
        }
示例#3
0
        private async Task StartSimulation()
        {
            if (Simulator.SongData == null)
            {
                MessageBox.Show("楽曲を選んでください");
                return;
            }
            if (Simulator.Unit == null)
            {
                MessageBox.Show("ユニットを選んでください");
                return;
            }
            if (Runs < 1 || Runs > 1000000)
            {
                MessageBox.Show("試行回数は1から1,000,000までである必要があります");
                return;
            }

            Note[] pattern = null;
            if (UtilizeActualPattern)
            {
                pattern = await new PatternProvider().GetPattern(Simulator.Song, Simulator.SongData.Difficulty, Simulator.SongData.Notes);
                if (pattern == null)
                {
                    MessageBox.Show($"{Simulator.Song.Title}({Simulator.SongData.Difficulty})の譜面データが見つかりませんでした。");
                    return;
                }
            }

            SimulationCompleted = false;

            var results = new ConcurrentBag <SimulationResult>();
            await Task.Run(() => Parallel.For(1, Runs + 1, i => results.Add(Simulator.StartSimulation(RandomFactory.Create(), i, pattern == null ? null : new Queue <Note>(pattern)))));

            MaxScore        = results.Max(x => x.Score);
            MaxScorePerNote = results.Max(x => x.ScorePerNote);

            MinScore        = results.Min(x => x.Score);
            MinScorePerNote = results.Min(x => x.ScorePerNote);

            AverageScore        = (int)results.Average(x => x.Score);
            AverageScorePerNote = (int)results.Average(x => x.ScorePerNote);

            ScoreDistribution = results.GroupBy(x => (int)Math.Floor(x.Score / 10000.0)).OrderBy(x => x.Key).ToDictionary(x => x.Key, x => (double)x.Count() / results.Count);

            StandardDeviation = Math.Round(Math.Sqrt(results.Sum(x => Math.Pow(x.Score - AverageScore, 2))) / results.Count);

            int idx      = 1;
            var duration = results.First().Duration;

            ActualTriggerRatio = Simulator.Unit.Slots.ToDictionary(s => $"スロット{idx++}",
                                                                   s => s == null ? 0 : results.SelectMany(x => x.TriggeredSkills).Where(x => x.Who == s).Count() / (results.Count * Math.Floor((duration - 1.0) / s.Skill.Interval)));

            SimulationResults = results.OrderBy(x => x.Id).Take(100).ToList();
            SelectedResult    = SimulationResults[0];

            SimulationCompleted = true;
        }
示例#4
0
        static void Main(string[] args)
        {
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;

            var timer = new Timer(StatusCheck, null, TimeSpan.FromSeconds(5), TimeSpan.FromSeconds(5));

            rand = new Random();
            cts  = new CancellationTokenSource();

            cts.Token.Register(CancelThreads);

            foreach (var i in Enumerable.Range(0, 10))
            {
                DoTestBatch();
            }

            while (open > 1)
            {
                Thread.Sleep(250);
            }

            Console.WriteLine("Done " + sent);
            timer.Change(TimeSpan.FromMilliseconds(-1), TimeSpan.FromMilliseconds(-1));
            Console.WriteLine("Avg Chat " + WatchBag.Average());
            Console.WriteLine("Min " + WatchBag.Min());
            Console.WriteLine("Max " + WatchBag.Max());
            Console.ReadLine();
        }
        private static void MultiThreadPerformanceTest(IFixedSizeCache<string, int> cache, int loopCount)
        {
            ConcurrentBag<long> allTickTimes = new ConcurrentBag<long>();
            ConcurrentBag<long> allElapsedTimesMilliseconds = new ConcurrentBag<long>();

            Parallel.For(0, 25, i =>
            {
                Task.Run(() => TimeParralelCacheWrite(cache, loopCount));
                Stopwatch timer = TimeParralelCacheWrite(cache, loopCount);

                allTickTimes.Add(timer.ElapsedTicks);
                allElapsedTimesMilliseconds.Add(timer.ElapsedMilliseconds);
            });

            double averageTickTime = allTickTimes.Average();
            double averageTimeMilliseconds = allElapsedTimesMilliseconds.Average();

            Console.WriteLine("Average ticks: " + averageTickTime);
            Console.WriteLine("Average ms: " + averageTimeMilliseconds);

            //Assert.That(averageTickTime, Is.LessThanOrEqualTo(3005055));
            //Assert.That(averageTimeMilliseconds, Is.LessThanOrEqualTo(1826)); //spinlock > normal lock > MemoryCache > flashcaches

            Assert.That(cache.CacheItemCount, Is.LessThanOrEqualTo(300000));
        }
示例#6
0
文件: Program.cs 项目: faddiv/Misc
        static void Main(string[] args)
        {
            var asyncProcessor = new AsyncProcessor(5, TimeSpan.FromSeconds(5));
            var totalTime      = Stopwatch.StartNew();
            var threads        = new List <Task>();

            for (int i = 0; i < 40; i++)
            {
                var task = Task.Run(async() =>
                {
                    var request = new Request();
                    try
                    {
                        lock (_rnd)
                        {
                            Console.ForegroundColor = ConsoleColor.White;
                            Console.WriteLine($"{request} Program Sending a Request. FreeChannel: {asyncProcessor.FreeChannel}");
                        }
                        var response = await asyncProcessor.RemoteCall(request);
                        lock (_rnd)
                        {
                            Console.ForegroundColor = ConsoleColor.Green;
                            Console.WriteLine($"{response} Program Receiving a Response. FreeChannel: {asyncProcessor.FreeChannel} Type {request.Type}");
                        }
                        _responses.Add(response);
                    }
                    catch (OperationCanceledException)
                    {
                        lock (_rnd)
                        {
                            Console.ForegroundColor = ConsoleColor.Red;
                            Console.WriteLine($"{request} RemoteCall Cancelled. FreeChannel: {asyncProcessor.FreeChannel} Type {request.Type}");
                        }
                        Interlocked.Increment(ref _cancelCount);
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"{request} Failed. {ex.GetType().Name}: {ex.Message}\r\n{ex.StackTrace}");
                    }
                });
                Thread.Sleep(_rnd.Next(100, 2000));
                threads.Add(task);
            }
            lock (_rnd)
            {
                Console.ForegroundColor = ConsoleColor.White;
                Console.WriteLine("Wait all task to finish.");
            }
            Task.WaitAll(threads.ToArray());
            totalTime.Stop();
            lock (_rnd)
            {
                Console.ForegroundColor = ConsoleColor.White;
                Console.WriteLine($"All task completed. TotalTime: {totalTime.Elapsed}");
                var avg = TimeSpan.FromMilliseconds(_responses.Count > 0
                    ? _responses.Average(e => e.ResponseTime.TotalMilliseconds)
                    : 0);
                Console.WriteLine($"Average: {avg} Completed/Cancelled: {_responses.Count}/{_cancelCount}");
            }
        }
示例#7
0
        private static void ShowStats(SynchedColouredConsoleTraceWriter synchedConsole)
        {
            synchedConsole.WriteLine($@"

Following results & performance based on a {100.0 / _perTestMeasureEveryN:#0.0}% sample ({MonitoredWorkBag.Count:#,##0}) + all timeouts & faulted requests.

Results & performance of sample...
                        Total: {MonitoredWorkBag.Count:#,##0}, 
                        Completed: {MonitoredWorkBag.Count(t => t.Item1.IsCompleted):#,##0}, 
                        Faulted: {MonitoredWorkBag.Count(t => t.Item1.IsFaulted):#,##0}, 
                        Cancelled: {MonitoredWorkBag.Count(t => t.Item1.IsCanceled):#,##0},
            
                Performance (microseconds [us] - thousandaths of milliseconds / millionths of seconds)

                        Fastest: {MonitoredWorkBag.Min(t => t.Item2.TotalMilliseconds * 1000):#,##0.0} (us),
                        Slowest: {MonitoredWorkBag.Max(t => t.Item2.TotalMilliseconds * 1000):#,##0.0} (us),
                    
                        Average time: {MonitoredWorkBag.Average(t => t.Item2.TotalMilliseconds * 1000):#,##0.0} (us),
                        Median: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.50):#,##0.0} (us),
                    
                        P75: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.75):#,##0.0} (us),
                        P90: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.90):#,##0.0} (us),
                        P95: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.95):#,##0.0} (us),
                        P99: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.99):#,##0.0} (us),
                        P3x9: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.999):#,##0.0} (us),
                        P5x9: {Percentile(MonitoredWorkBag.Select(t => t.Item2.TotalMilliseconds * 1000), 0.99999):#,##0.0} (us),

", overrideShowOutput: true);
        }
        private async Task <double> ExecuteTestsAsync(string name, Func <Uri, Task> runAsync)
        {
            const int iterationCount = 5 + 1;
            var       results        = new ConcurrentBag <Result>();

            for (var iteration = 0; iteration < iterationCount; iteration++)
            {
                await RunIteration(name, iteration, runAsync, iteration > 0?results : null);
            }

            using (var fileStream = new FileStream(_fileName, FileMode.Append))
                using (var streamReader = new StreamWriter(fileStream, new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true)))
                    using (var csvWriter = new CsvWriter(streamReader))
                    {
                        if (!_wroteHeader)
                        {
                            csvWriter.WriteHeader <Result>();
                            csvWriter.NextRecord();
                            _wroteHeader = true;
                        }

                        foreach (var result in results.OrderBy(x => x.Name).ThenBy(x => x.Iteration).ThenBy(x => x.Sequence))
                        {
                            csvWriter.WriteRecord(result);
                            csvWriter.NextRecord();
                        }
                    }

            var average = results.Average(x => x.DurationMs);

            _output.WriteLine($"{name}: average = {average}");

            return(average);
        }
示例#9
0
 private void LogTemplates(ConcurrentBag <long> speedLogs, int totalCount)
 {
     Log($"Max: {speedLogs.Max():n0} ms");
     Log($"Min: {speedLogs.Min():n0} ms");
     Log($"Avg: {speedLogs.Average():n3} ms");
     Log($"Total: {speedLogs.Sum():n0} ms");
     Log($"InsertsInSecond: {speedLogs.Count() / (speedLogs.Sum() / (double) 1000):n3}");
     Log($"Success: {speedLogs.Count():n0}/{totalCount:n0}\n");
 }
示例#10
0
        public static async Task Parallel(int numUsers, int numIterationsPerUser, Func <Task> action, int expectedAvg = 100, ITestOutputHelper testOutput = null)
        {
            await action();

            var elapsedMs = new ConcurrentBag <long>();

            var errors = 0;

            async Task RunAsync()
            {
                for (var i = 0; i < numIterationsPerUser; i++)
                {
                    try
                    {
                        var watch = Stopwatch.StartNew();

                        await action();

                        watch.Stop();

                        elapsedMs.Add(watch.ElapsedMilliseconds);
                    }
                    catch
                    {
                        Interlocked.Increment(ref errors);
                    }
                }
            }

            var tasks = new List <Task>();

            for (var i = 0; i < numUsers; i++)
            {
                tasks.Add(Task.Run(RunAsync));
            }

            await Task.WhenAll(tasks);

            var count = elapsedMs.Count;

            var avg = elapsedMs.Average();

            if (testOutput != null)
            {
                testOutput.WriteLine("Total Errors: {0}/{1}", errors, numUsers * numIterationsPerUser);
                testOutput.WriteLine("Total Count: {0}/{1}", count, numUsers * numIterationsPerUser);

                testOutput.WriteLine(string.Empty);
                testOutput.WriteLine("Performance Average: {0}", avg);
                testOutput.WriteLine("Performance Max: {0}", elapsedMs.Max());
                testOutput.WriteLine("Performance Min: {0}", elapsedMs.Min());
            }

            Assert.InRange(avg, 0, expectedAvg);
        }
示例#11
0
        public void TestConcurrent()
        {
            var serializerRepresentation = GetSerializerRepresentation();
            var tags = new List <NamedValue <string> >
            {
                new NamedValue <string>("ChangeSet", Guid.NewGuid().ToString().ToUpperInvariant()),
            };
            var timestampUtc = DateTime.UtcNow;
            var payloadType  = typeof(byte[]).ToRepresentation();
            var metadata     = new StreamRecordMetadata(
                Guid.NewGuid().ToString().ToUpperInvariant(),
                serializerRepresentation,
                typeof(string).ToRepresentation().ToWithAndWithoutVersion(),
                payloadType.ToWithAndWithoutVersion(),
                tags,
                timestampUtc,
                timestampUtc);

            var payload        = new BinaryDescribedSerialization(payloadType, serializerRepresentation, new byte[3000000]);
            var putOp          = new StandardPutRecordOp(metadata, payload);
            var commandTimeout = TimeSpan.FromSeconds(1000);
            var listOfStreams  = Enumerable.Range(1, 10)
                                 .Select(
                _ => this.GetCreatedSqlStream(
                    commandTimeout,
                    RecordTagAssociationManagementStrategy.ExternallyManaged))
                                 .ToList();

            var times = new ConcurrentBag <TimeSpan>();

            Parallel.ForEach(listOfStreams, _ =>
            {
                var stopwatch = new Stopwatch();
                for (var idx = 0;
                     idx < 100;
                     idx++)
                {
                    stopwatch.Reset();
                    stopwatch.Start();
                    _.Execute(putOp);
                    stopwatch.Stop();
                    times.Add(stopwatch.Elapsed);
                }
            });

            var averageSeconds = times.Average(_ => _.TotalSeconds);
            var minSeconds     = times.Min(_ => _.TotalSeconds);
            var maxSeconds     = times.Max(_ => _.TotalSeconds);

            this.testOutputHelper.WriteLine(Invariant($"{nameof(averageSeconds)}: {averageSeconds}, {nameof(minSeconds)}: {minSeconds}, {nameof(maxSeconds)}: {maxSeconds}, "));
            foreach (var time in times)
            {
                this.testOutputHelper.WriteLine(time.TotalSeconds.ToString(CultureInfo.InvariantCulture));
            }
        }
示例#12
0
        private static async Task GetStatsTask(ConcurrentBag <Tester> testers, int count, NLog.Logger logger, DateTime startTime)
        {
            double?maxRate = null;
            double?minRate = null;

            // initializing:
            while (true)
            {
                await Task.Delay(2000);

                var now          = DateTime.Now;
                var currentCount = testers.Count;
                var elapsed      = (now - startTime).TotalMilliseconds / 1000;
                var currentRate  = currentCount / elapsed;
                if (maxRate == null || maxRate < currentRate)
                {
                    maxRate = currentRate;
                }

                if (minRate == null || minRate > currentRate)
                {
                    minRate = currentRate;
                }

                logger.Info($"Starts {currentCount}/{count}, current {currentRate:.00}/s, max {maxRate:.00}/s, min {minRate:.00}/s; " +
                            $"Connect Elapsed: max {testers.Max(s => s.ConnectStats.MaxElapsed):.00}, min {testers.Min(s => s.ConnectStats.MinElapsed):.00}, avg {testers.Average(s => s.ConnectStats.AvgElapsed):.00}");

                LogExceptions(testers, logger);
                if (currentCount == count)
                {
                    break;
                }
            }

            // running:
            // aggregate exception count
            while (true)
            {
                await Task.Delay(2000);

                logger.Info($"[connected]{testers.Count(s => s.IsConnected)}/[connecting]{testers.Count(s => s.IsConnecting)}/[total]{count};" +
                            $" sending {testers.Sum(s => s.SendMessageStats.ReceivedCount)} messages" +
                            $"\n\t Delay: avergae {testers.Average(s => s.SendMessageStats.AvgElapsed)}, " +
                            $" max {testers.Max(s => s.SendMessageStats.MaxElapsed)}, min {testers.Min(s => s.SendMessageStats.MinElapsed)} " +
                            $"\n\tSend: max success {testers.Max(s => s.SendMessageStats.SuccessCount)};  max notsent {testers.Max(s => s.SendMessageStats.NotSentCount)}; max error {testers.Max(s => s.SendMessageStats.ErrorCount)};" +
                            $"\n\tNotReceived: max {testers.Max(s => s.SendMessageStats.SuccessCount - s.SendMessageStats.ReceivedCount)}");

                if (testers.Any(s => s.ReconnectCount > 0))
                {
                    logger.Info($"\n\tReconnect: max: {testers.Max(s => s.RecoverStats.MaxElapsed)}, avg: {testers.Average(s => s.RecoverStats.AvgElapsed)} ");
                }

                LogExceptions(testers, logger);
            }
        }
示例#13
0
        public void CountSortDecisionsTest()
        {
            int setLength = 11;
            int sortAttempts = 1000;
            var decisionCounts = new ConcurrentBag<int>();

            Parallel.ForEach(Enumerable.Range(0, sortAttempts), attempt =>
            {
                var integerComparableList = Enumerable.Range(0, setLength)
                    .RandomiseOrder()
                    .Select(i => new IntegerAbstractComparable(i))
                    .ToArray();

                bool completed = false;
                int decisions = 0;
                SortResult<IntegerAbstractComparable> orderedIntegerComparableSortResult = null;
                while (!completed)
                {
                    orderedIntegerComparableSortResult = orderService.OrderObjects(integerComparableList);
                    completed = orderedIntegerComparableSortResult.Completed;
                    if (!completed)
                    {
                        if (orderedIntegerComparableSortResult.LeftSort.Value > orderedIntegerComparableSortResult.RightSort.Value)
                        {
                            orderedIntegerComparableSortResult.RightSort.AddHigherRankedObject(orderedIntegerComparableSortResult.LeftSort);
                        }
                        else
                        {
                            orderedIntegerComparableSortResult.LeftSort.AddHigherRankedObject(orderedIntegerComparableSortResult.RightSort);
                        }
                        decisions++;
                    }
                }

                var expectedIntegerComparableList = integerComparableList.OrderBy(i => i.Value).ToArray();

                // asserts
                Assert.IsTrue(orderedIntegerComparableSortResult.Completed);
                CollectionAssert.AreEquivalent(expectedIntegerComparableList, orderedIntegerComparableSortResult.SortedResults.ToArray());

                decisionCounts.Add(decisions);
            });
            var averageDecision = decisionCounts.Average();
            var minDecision = decisionCounts.Min();
            var maxDecision = decisionCounts.Max();
            var diff = maxDecision - minDecision;
            Console.WriteLine(averageDecision);
            // quick sort - 35.519
            // 13
            // 53

            // merge sort
            // min 17
            // max 52
        }
示例#14
0
        private static void TestSortAlgorithm(
            int setLength,
            int sortAttempts,
            ISortAlgorithm <IntegerAbstractComparable> sortAlgorithm)
        {
            var orderService = new OrderService();

            var decisionCounts = new ConcurrentBag <int>();

            Parallel.ForEach(Enumerable.Range(0, sortAttempts), attempt =>
            {
                var integerComparableList = Enumerable.Range(0, setLength)
                                            .RandomiseOrder()
                                            .Select(i => new IntegerAbstractComparable(i))
                                            .ToArray();

                bool completed = false;
                int decisions  = 0;
                SortResult <IntegerAbstractComparable> orderedIntegerComparableSortResult = null;
                while (!completed)
                {
                    orderedIntegerComparableSortResult = orderService
                                                         .OrderObjects(integerComparableList, sortAlgorithm);
                    completed = orderedIntegerComparableSortResult.Completed;
                    if (!completed)
                    {
                        if (orderedIntegerComparableSortResult.LeftSort.Value > orderedIntegerComparableSortResult.RightSort.Value)
                        {
                            orderedIntegerComparableSortResult.RightSort.AddHigherRankedObject(orderedIntegerComparableSortResult.LeftSort);
                        }
                        else
                        {
                            orderedIntegerComparableSortResult.LeftSort.AddHigherRankedObject(orderedIntegerComparableSortResult.RightSort);
                        }
                        decisions++;
                    }
                }

                var expectedIntegerComparableList = integerComparableList.OrderBy(i => i.Value).ToArray();

                // asserts
                Assert.IsTrue(orderedIntegerComparableSortResult.Completed);
                CollectionAssert.AreEquivalent(expectedIntegerComparableList, orderedIntegerComparableSortResult.SortedResults.ToArray());

                decisionCounts.Add(decisions);
            });

            var averageDecision = decisionCounts.Average();
            var minDecision     = decisionCounts.Min();
            var maxDecision     = decisionCounts.Max();
            var diff            = maxDecision - minDecision;

            Console.WriteLine($"{sortAlgorithm.GetType().Name} average decisions: {averageDecision} minimum decisions: {minDecision} maximum decisions: {maxDecision}");
        }
示例#15
0
        private static async Task GetStatsTask(ConcurrentBag <Tester> testers, int count, NLog.Logger logger, DateTime startTime)
        {
            double?maxRate = null;
            double?minRate = null;

            // initializing:
            while (true)
            {
                await Task.Delay(2000);

                var now          = DateTime.Now;
                var currentCount = testers.Count;
                var elapsed      = (now - startTime).TotalMilliseconds / 1000;
                var currentRate  = currentCount / elapsed;
                if (maxRate == null || maxRate < currentRate)
                {
                    maxRate = currentRate;
                }

                if (minRate == null || minRate > currentRate)
                {
                    minRate = currentRate;
                }

                var sb = new StringBuilder();
                sb.Append($"Starts {currentCount}/{count}, current {currentRate:.00}/s, max {maxRate:.00}/s, min {minRate:.00}/s; " +
                          $"Connect Elapsed: max {testers.Max(s => s.ConnectStats.MaxElapsed):.00}, min {testers.Min(s => s.ConnectStats.MinElapsed):.00}, avg {testers.Average(s => s.ConnectStats.AvgElapsed):.00}");

                sb = LogExceptions(testers, sb);
                logger.Info(sb);
                if (currentCount == count)
                {
                    break;
                }
            }

            // running:
            // aggregate exception count
            while (true)
            {
                await Task.Delay(2000);

                var sb = new StringBuilder();
                sb.Append($"\n\t[connected]{testers.Count(s => s.ConnectStatus == Status.Connected)}/[connecting]{testers.Count(s => s.ConnectStatus == Status.Connecting)}/[disconnected]{testers.Count(s => s.ConnectStatus == Status.Disconnected)}/[total]{count};" +
                          $"\n\t[send]{testers.Sum(s => s.SendMessageStats.ReceivedCount)} messages," +
                          $" avg {testers.Average(s => s.SendMessageStats.AvgElapsed)}ms, " +
                          $" max {testers.Max(s => s.SendMessageStats.MaxElapsed)}ms, min {testers.Min(s => s.SendMessageStats.MinElapsed)}ms " +
                          $"\n\t[send]max success {testers.Max(s => s.SendMessageStats.SuccessCount)};  max not sent {testers.Max(s => s.SendMessageStats.NotSentCount)}; max error {testers.Max(s => s.SendMessageStats.ErrorCount)};" +
                          $" max not received {testers.Max(s => s.SendMessageStats.SuccessCount - s.SendMessageStats.ReceivedCount)}");

                sb = LogExceptions(testers, sb);
                logger.Info(sb);
            }
        }
示例#16
0
        public static void Run()
        {
            var numbers = new ConcurrentBag <double>();

            Parallel.For(0, 100000, i => numbers.Add(new Random().NextDouble()));

            var avg = numbers.Average();

            Console.WriteLine($"The average is {avg}.");
            Console.ReadLine();
        }
        public static double GetTraseholdByHistogram(
            this Bitmap image,
            double startTrasehold,
            double delta)
        {
            double currentTrasehold = startTrasehold;

            ConcurrentBag <double> G1 = new ConcurrentBag <double>();
            ConcurrentBag <double> G2 = new ConcurrentBag <double>();

            List <Task>   tasks           = new List <Task>();
            List <Bitmap> imageRectangles = new List <Bitmap>();

            int partSize = image.Width % 8 == 0 ? image.Width / 8 : image.Width / 8 + 1;

            for (int i = 0; i < 8; i++)
            {
                imageRectangles.Add(GetImageRectangle(image, i * partSize, (image.Width % 8 != 0 && i == 7) ? image.Width - (7 * partSize) : partSize));
            }

            while (true)
            {
                for (int i = 0; i < 8; i++)
                {
                    int m = i;
                    tasks.Add(new Task(() =>
                    {
                        int startIndex = m * partSize;
                        ParallelImage(currentTrasehold, G1, G2, imageRectangles[m]);
                    }));
                }

                foreach (var task in tasks)
                {
                    task.Start();
                }

                Task.WaitAll(tasks.ToArray());

                var tempTrasehold = (G1.Average() + G2.Average()) / 2.0;

                if (Math.Abs(currentTrasehold - tempTrasehold) < delta)
                {
                    return(tempTrasehold);
                }

                currentTrasehold = tempTrasehold;
                G1    = new ConcurrentBag <double>();
                G2    = new ConcurrentBag <double>();
                tasks = new List <Task>();
            }
        }
示例#18
0
        private static async Task Run(int numUsers, int numIterationsPerUser, Func <Task> action, int expectedAvg = 100)
        {
            var elapsedMs = new ConcurrentBag <long>();

            var errors = 0;

            async Task RunAsync()
            {
                for (var i = 0; i < numIterationsPerUser; i++)
                {
                    try
                    {
                        var watch = Stopwatch.StartNew();

                        await action();

                        watch.Stop();

                        elapsedMs.Add(watch.ElapsedMilliseconds);
                    }
                    catch
                    {
                        Interlocked.Increment(ref errors);
                    }
                }
            }

            var tasks = new List <Task>();

            for (var i = 0; i < numUsers; i++)
            {
                tasks.Add(Task.Run(RunAsync));
            }

            await Task.WhenAll(tasks);

            var count = elapsedMs.Count;

            var max = elapsedMs.Max();
            var min = elapsedMs.Min();

            var avg = elapsedMs.Average();

            Assert.Equal(0, errors);
            Assert.Equal(count, numUsers * numIterationsPerUser);

            Assert.InRange(max, 0, expectedAvg * 10);
            Assert.InRange(min, 0, expectedAvg);

            Assert.InRange(avg, 0, expectedAvg);
        }
示例#19
0
        public void SpeedLimitTest()
        {
            var speedPerSecondsHistory = new ConcurrentBag <long>();
            var lastTick         = 0L;
            var expectedFileSize = DownloadTestHelper.FileSize10Mb; // real bytes size
            var address          = DownloadTestHelper.File10MbUrl;
            var file             = new FileInfo(Path.GetTempFileName());
            var config           = new DownloadConfiguration()
            {
                BufferBlockSize       = 1024,
                ChunkCount            = 8,
                ParallelDownload      = true,
                MaxTryAgainOnFailover = 100,
                OnTheFlyDownload      = true,
                MaximumBytesPerSecond = 1024 * 1024 // 1MB/s
            };
            var progressCount = config.ChunkCount * (int)Math.Ceiling((double)expectedFileSize / config.ChunkCount / config.BufferBlockSize);
            var downloader    = new DownloadService(config);

            downloader.DownloadProgressChanged += (s, e) =>
            {
                Interlocked.Decrement(ref progressCount);
                if (Environment.TickCount64 - lastTick >= 1000)
                {
                    speedPerSecondsHistory.Add(e.BytesPerSecondSpeed);
                    lastTick = Environment.TickCount64;
                }
            };

            downloader.DownloadFileAsync(address, file.FullName).Wait(); // wait to download stopped!
            var avgSpeed = (long)speedPerSecondsHistory.Average();

            Assert.IsTrue(file.Exists);
            Assert.AreEqual(expectedFileSize, downloader.Package.TotalFileSize);
            Assert.AreEqual(expectedFileSize, file.Length);
            Assert.IsTrue(progressCount <= 0);
            Assert.IsTrue(avgSpeed <= config.MaximumBytesPerSecond);

            if (File.Exists(file.FullName))
            {
                try
                {
                    file.Delete();
                }
                catch (Exception e)
                {
                    Console.WriteLine(e);
                }
            }
        }
        public static void Main(string[] args)
        {
            //setup mqtt client
            SetupMqtt();
            //run simulator in another thread
            var simulatedSensor = new Task(() => LoopDeviceSimulator());

            simulatedSensor.Start();
            //filter if mqtt data is coming
            var FilteredSensorData =
                from x in WhenDataReceived
                let node = JsonConvert.DeserializeObject <SensorData>(new string(Encoding.UTF8.GetChars(x.Message)))
                           where node.Temp > 50
                           select x;
            //create window for 5 seconds
            var WindowedData = FilteredSensorData
                               .Window(() =>
            {
                var seqWindowControl = Observable.Interval(TimeSpan.FromSeconds(6));
                return(seqWindowControl);
            });
            var TempRate = new ConcurrentBag <int>();

            //subscribe
            WindowedData
            .Subscribe(seqwindow =>
            {
                Console.WriteLine($"Data from {DateTime.Now.AddSeconds(-5)} to {DateTime.Now}");
                if (TempRate.Count > 0)
                {
                    Console.WriteLine(
                        $"average temperature in 5 secs: {TempRate.Count} items at {TempRate.Average()}");
                    int someItem;
                    while (!TempRate.IsEmpty)
                    {
                        TempRate.TryTake(out someItem);
                    }
                }
                seqwindow.Subscribe(e =>
                {
                    var msg = new string(Encoding.UTF8.GetChars(e.Message));
                    Console.WriteLine($"{e.Topic} -> {msg}");
                    var node = JsonConvert.DeserializeObject <SensorData>(msg);
                    TempRate.Add(node.Temp);
                });
            });
            //infinite delay
            Thread.Sleep(Timeout.Infinite);
        }
        private void Count()
        {
            var codeGroup     = _counter.GroupBy(x => x.Response.StatusCode);
            var codeGroupList = new List <string>();

            foreach (var item in codeGroup)
            {
                codeGroupList.Add(string.Format("[{0}]:{1}", item.Key, item.Count()));
            }
            _console("Http状态码统计:" + string.Join(",", codeGroupList));
            var total      = _counter.Count;
            var avgElapsed = _counter.Average(x => x.MilliSeconds);

            _console(string.Format("总请求数:{0},平均耗时:{1}ms", total, avgElapsed.ToString("0.000")));
        }
示例#22
0
        public static void GetStatistics(IStrategy strategy, out double avg, out double stdDev, out double coeffVariation)
        {
            var numTests = Settings.Current.TestSettings.NumTests;
            var scores   = new ConcurrentBag <double>();

            Parallel.For(0, numTests, i =>
            {
                var score = Test(strategy);
                scores.Add(score);
            });

            avg            = scores.Average();
            stdDev         = scores.StandardDeviation();
            coeffVariation = stdDev / avg;
        }
        public async Task LogAction(double obj)
        {
            _temperatureReadings.Add(obj);

            if (_temperatureReadings.Count >= 2)
            {
                var average = _temperatureReadings.Average();
                _temperatureReadings = new ConcurrentBag <double>();

                foreach (var action in _childLoggerActions)
                {
                    await action.LogAction(average);
                }
            }
        }
示例#24
0
        // other options for perf.
        // 1) only grab certain directories either with dockerfiles or as specified by build.yaml
        // 2) Prioritize large files or files with lots of copies.
        // 3) parallelize copy with buffer first attempt at that with _contentClient.GetBufferAsync failed. Also lots of memory.
        // 4) multistream copyasync
        public async Task <Dictionary <string, double> > Materialize(string localDestination)
        {
            var uniqueblobs = _files.GroupBy(keySelector: file => file.Blob.Id, resultSelector: (key, file) => file).ToList();
            var metrics     = new Dictionary <string, double>
            {
                ["files"]       = _files.Count,
                ["uniqueblobs"] = uniqueblobs.Count
            };

            if (_computeDockerHashes)
            {
                ComputeDockerHashes(localDestination, metrics);
            }

            var dltimes   = new ConcurrentBag <double>();
            var copytimes = new ConcurrentBag <double>();
            var filesize  = new ConcurrentBag <double>();
            var throttler = new ActionBlock <IEnumerable <VstsFile> >(list => DownloadGrouping(list, localDestination, dltimes, copytimes, filesize), new ExecutionDataflowBlockOptions {
                MaxDegreeOfParallelism = _concurrentDownloads
            });

            foreach (var grouping in uniqueblobs)
            {
                throttler.Post(grouping);
            }

            throttler.Complete();
            await throttler.Completion;

            if (dltimes.Any())
            {
                metrics["DownloadCount"]       = dltimes.Count();
                metrics["AverageDownloadSecs"] = dltimes.Average();
                metrics["MaxDownloadSecs"]     = dltimes.Max();
                CalculatePercentile(metrics, dltimes, "Download");
            }

            if (copytimes.Any())
            {
                metrics["CopyCount"]       = copytimes.Count();
                metrics["AverageCopySecs"] = copytimes.Average();
                metrics["MaxCopySecs"]     = copytimes.Max();
                CalculatePercentile(metrics, copytimes, "CopyTime");
            }

            return(metrics);
        }
示例#25
0
        public async Task CreateRaceConditionsAsync()
        {
            int i = 0, s = 0;
            var o = new object();

            var incrementorTimes             = new ConcurrentBag <TimeSpan>();
            var synchronizedIncrementorTimes = new ConcurrentBag <TimeSpan>();

            // closure on i will create a race condition if multiple threads call incrementor simultaneously
            Action incrementor = () =>
            {
                var start = DateTime.Now;

                for (var j = 0; j < 10000000; ++j)
                {
                    ++i;
                }

                incrementorTimes.Add(DateTime.Now - start);
            };

            Action synchronizedIncrementor = () =>
            {
                var start = DateTime.Now;

                for (var j = 0; j < 10000000; ++j)
                {
                    // use a lock to synchronize
                    lock (o) { ++s; }
                }

                synchronizedIncrementorTimes.Add(DateTime.Now - start);
            };

            // kick off 3 incrementer tasks and 3 synchronized incrementer tasks
            await Task.WhenAll(Task.Factory.StartNew(incrementor), Task.Factory.StartNew(incrementor), Task.Factory.StartNew(incrementor),
                               Task.Factory.StartNew(synchronizedIncrementor), Task.Factory.StartNew(synchronizedIncrementor), Task.Factory.StartNew(synchronizedIncrementor));

            Assert.NotEqual(30000000, i);
            Assert.Equal(30000000, s);

            // at least double run time for synchronized version (thread safety isn't free!)
            Assert.InRange(synchronizedIncrementorTimes.Average(t => t.TotalSeconds) / incrementorTimes.Average(t => t.TotalSeconds), 2.0, 100);
        }
示例#26
0
        public void PerformanceComparison()
        {
            var iterations = 100;

            var graphite         = new ConcurrentBag <long>();
            var graphiteAsync    = new ConcurrentBag <long>();
            var webapi           = new ConcurrentBag <long>();
            var webapiAsync      = new ConcurrentBag <long>();
            var guid             = Guid.NewGuid();
            var url              = $"performancetests/{{0}}/url1/{guid}/5?query1=query1&query2={guid}&query3=5";
            var urlAsync         = $"performancetests/{{0}}/async/url1/{guid}/5?query1=query1&query2={guid}&query3=5";
            var graphiteUrl      = string.Format(url, "graphite");
            var graphiteAsyncUrl = string.Format(urlAsync, "graphite");
            var webapiUrl        = string.Format(url, "webapi");
            var webapiAsyncUrl   = string.Format(urlAsync, "webapi");
            var inputModel       = new PerfInputModel
            {
                Value1 = "value1",
                Value2 = "value2",
                Value3 = "value3"
            };

            10.TimesParallel(() =>
            {
                Should_match_result(WebClient.PostJson <PerfInputModel, PerfOutputModel>(graphiteUrl, inputModel), guid);
                Should_match_result(WebClient.PostJson <PerfInputModel, PerfOutputModel>(webapiUrl, inputModel), guid);
                Should_match_result(WebClient.PostJson <PerfInputModel, PerfOutputModel>(graphiteAsyncUrl, inputModel), guid);
                Should_match_result(WebClient.PostJson <PerfInputModel, PerfOutputModel>(webapiAsyncUrl, inputModel), guid);
            });

            iterations.TimesParallel(() =>
            {
                graphite.Add(graphiteUrl.ElapsedMilliseconds(x => WebClient.PostJson <PerfInputModel, PerfOutputModel>(x, inputModel)));
                webapi.Add(webapiUrl.ElapsedMilliseconds(x => WebClient.PostJson <PerfInputModel, Handler.OutputModel>(x, inputModel)));
                graphiteAsync.Add(graphiteUrl.ElapsedMilliseconds(x => WebClient.PostJson <PerfInputModel, PerfOutputModel>(x, inputModel)));
                webapiAsync.Add(webapiUrl.ElapsedMilliseconds(x => WebClient.PostJson <PerfInputModel, Handler.OutputModel>(x, inputModel)));
            });

            Console.WriteLine($"Graphite :      {graphite.Average()}ms");
            Console.WriteLine($"Graphite Async: {graphiteAsync.Average()}ms");
            Console.WriteLine($"Web Api:        {webapi.Average()}ms");
            Console.WriteLine($"Web Api Async:  {webapiAsync.Average()}ms");
        }
示例#27
0
        public static void Run()
        {
            var threads = new List <Thread>();

            for (int i = 0; i < Environment.ProcessorCount; i++)
            {
                var thread = new Thread(Worker);
                threads.Add(thread);
                thread.Start(i);
            }

            foreach (var thread in threads)
            {
                thread.Join();
            }

            var avg = _numbers.Average();

            Console.WriteLine($"The average is {avg}.");
            Console.ReadLine();
        }
示例#28
0
        static void RunLoadTest(TextLoadTest loadTest)
        {
            Console.WriteLine("Loading data...\n");
            foreach (TextLoadTestData d in loadTest.Data)
            {
                dataInQueue.Enqueue(d);
            }

            Console.WriteLine("Spawning threads...\n");
            for (int i = 0; i < loadTest.Threads; i++)
            {
                threads.Add(Task.Run(() => ThreadTextPostRequests(loadTest)));
            }

            Task.WaitAll(threads.ToArray());

            Console.WriteLine("\nTest results:\n");
            Console.WriteLine("Threads: {0}", loadTest.Threads);
            Console.WriteLine("Min: {0}", elapsedMilliseconds.Min());
            Console.WriteLine("Max: {0}", elapsedMilliseconds.Max());
            Console.WriteLine("Avg: {0}", elapsedMilliseconds.Average());
        }
示例#29
0
        static void Main(string[] args)
        {
            var requestNumber = long.Parse(args[1]);
            var maxParallel   = int.Parse(args[2]);
            var stats         = new ConcurrentBag <long>();

            var sw = new Stopwatch();

            sw.Start();
            Parallel.For(0, requestNumber, new ParallelOptions()
            {
                MaxDegreeOfParallelism = maxParallel
            },
                         (i) => { SendRequest(args[0], stats); });
            sw.Stop();

            Console.WriteLine($"Total time: {sw.ElapsedMilliseconds}ms");
            Console.WriteLine($"Nb request/s: {(double)requestNumber/sw.ElapsedMilliseconds*1000.0}");
            Console.WriteLine($"Avg Latency: {stats.Average()}");
            Console.WriteLine($"Min Latency: {stats.Min()}");
            Console.WriteLine($"Max Latency: {stats.Max()}");
        }
示例#30
0
        static void Main(string[] args)
        {
            // to cover our back for all those fire and forgets
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;

            Console.ForegroundColor = ConsoleColor.Gray;

            ThreadPool.SetMinThreads(200, 100);
            ThreadPool.SetMaxThreads(1000, 200);
            var statusCodes = new ConcurrentBag<HttpStatusCode>();

            var commandLineOptions = new CommandLineOptions();
            bool isHelp = args.Any(x => x == "-?");

            var success = Parser.Default.ParseArguments(args, commandLineOptions);

            var then = DateTime.Now;
            ConsoleWriteLine(ConsoleColor.DarkCyan, "Starting at {0}", then) ;

            if (!success || isHelp)
            {
                if (!isHelp && args.Length > 0)
                    ConsoleWriteLine(ConsoleColor.Red, "error parsing command line");
                return;
            }

            try
            {
                var requester = new Requester(commandLineOptions);
                var writer = new StreamWriter(commandLineOptions.LogFile) { AutoFlush = true };
                var stopwatch = Stopwatch.StartNew();
                var timeTakens = new ConcurrentBag<double>();
                if (commandLineOptions.SaveResponses)
                {
                    if (string.IsNullOrEmpty(commandLineOptions.ResponseFolder))
                    {
                        commandLineOptions.ResponseFolder = Path.Combine(Environment.CurrentDirectory, "Responses");
                    }

                    if (!Directory.Exists(commandLineOptions.ResponseFolder))
                        Directory.CreateDirectory(commandLineOptions.ResponseFolder);
                }

                ConsoleWriteLine(ConsoleColor.Yellow, "[Press C to stop the test]");
                int total = 0;
                bool disrupted = false;
                var stop = new ConsoleKeyInfo();
                Console.ForegroundColor = ConsoleColor.Cyan;
                var source = new CancellationTokenSource(TimeSpan.FromDays(7));

                Task.Run(() =>
                {
                    stop = Console.ReadKey(true);
                    disrupted = true;
                }, source.Token);

                var result = Parallel.For(0, commandLineOptions.IsDryRun ? 1 : commandLineOptions.NumberOfRequests,
                             new ParallelOptions()
                             {
                                 MaxDegreeOfParallelism = commandLineOptions.Concurrency
                             },
                                 (i, loopstate) =>
                                 {
                                     if (disrupted)
                                     {
                                         ConsoleWriteLine(ConsoleColor.Red, "...");
                                         ConsoleWriteLine(ConsoleColor.Green, "Exiting.... please wait! (it might throw a few more requests)");
                                         ConsoleWriteLine(ConsoleColor.Red, "");
                                         loopstate.Stop();
                                         source.Cancel();
                                     }

                                     var sw = Stopwatch.StartNew();
                                     IDictionary<string, object> parameters;
                                     var statusCode = requester.Next(i, out parameters);
                                     sw.Stop();
                                     if (commandLineOptions.DelayInMillisecond > 0)
                                     {
                                         Thread.Sleep(commandLineOptions.DelayInMillisecond);
                                     }
                                     statusCodes.Add(statusCode);
                                     timeTakens.Add(sw.ElapsedTicks);
                                     var n = Interlocked.Increment(ref total);

                                     // fire and forget not to affect time taken or TPS
                                     Task.Run(() =>
                                        WriteLine(writer, n, (int)statusCode, sw.ElapsedMilliseconds, parameters));
                                     if (!commandLineOptions.Verbose)
                                         Console.Write("\r" + total);
                                 }
                    );

                stopwatch.Stop();
                double[] orderedList = (from x in timeTakens
                                        orderby x
                                        select x).ToArray<double>();
                Console.WriteLine();

                ConsoleWriteLine(ConsoleColor.Magenta, "---------------Finished!----------------");
                var now = DateTime.Now;
                ConsoleWriteLine(ConsoleColor.DarkCyan, "Finished at {0} (took {1})", now, now - then);

                // ----- adding stats of statuses returned
                var stats = statusCodes.GroupBy(x => x)
                           .Select(y => new { Status = y.Key, Count = y.Count() }).OrderByDescending(z => z.Count);

                foreach (var stat in stats)
                {
                    int statusCode = (int)stat.Status;
                    if (statusCode >= 400 && statusCode < 600)
                    {
                        ConsoleWriteLine(ConsoleColor.Red, string.Format("Status {0}:    {1}", statusCode, stat.Count));
                    }
                    else
                    {
                        ConsoleWriteLine(ConsoleColor.Green, string.Format("Status {0}:    {1}", statusCode, stat.Count));
                    }

                }

                Console.WriteLine();

                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.Write("TPS: " + Math.Round(total * 1000f / stopwatch.ElapsedMilliseconds, 1));
                Console.WriteLine(" (requests/second)");
                Console.WriteLine("Max: " + (timeTakens.Max() * 1000 / Stopwatch.Frequency) + "ms");
                Console.WriteLine("Min: " + (timeTakens.Min() * 1000 / Stopwatch.Frequency) + "ms");
                Console.WriteLine("Avg: " + (timeTakens.Average() * 1000 / Stopwatch.Frequency) + "ms");
                Console.ForegroundColor = ConsoleColor.DarkGreen;
                Console.WriteLine();
                Console.WriteLine("  50%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(50M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  60%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(60M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  70%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(70M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  80%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(80M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  90%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(90M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  95%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(95M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  98%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(98M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  99%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(99M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("99.9%\tbelow " + Math.Round((double)((orderedList.Percentile<double>(99.9M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");

            }
            catch (Exception exception)
            {

                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(exception);
            }

            Console.ResetColor();
        }
        private void RequestRiverBedHomePageMultiThreaded(
            IMethodLogger logger, int numberOfRequestsToMake, int numberOfThreads)
        {
            var requestTimes = new ConcurrentBag<long>();
            int htmlLength = 0;

            try
            {
                Parallel.For(0, numberOfRequestsToMake,
                    new ParallelOptions { MaxDegreeOfParallelism = numberOfThreads },
                    i =>
                    {
                        var requestStopWatch = Stopwatch.StartNew();

                        var webClient = new WebClient();
                        using (var stream = webClient.OpenRead(new Uri("http://www.riverbed.com")))
                        // ReSharper disable once AssignNullToNotNullAttribute -- will handle in parent catch
                        using (var sr = new StreamReader(stream))
                        {
                            var html = sr.ReadToEnd();
                            htmlLength = html.Length;
                        }

                        requestTimes.Add(requestStopWatch.ElapsedMilliseconds);
                    });
            }
            catch (Exception e)
            {
                throw new Exception("Error getting http://www.riverbed.com: " + e.Message +
                    Environment.NewLine + e.StackTrace);
            }

            logger.WriteMethodInfo(
                string.Format("Html Length [{0:n0}] chars.  Request Times: Min [{1:n0}] Avg [{2:n0}] Max [{3:n0}]",
                    htmlLength, requestTimes.Min(), requestTimes.Average(), requestTimes.Max()));

            logger.WriteMethodInfo("");
        }
示例#32
0
        private static void WithOptionDoItBoy(CommandLineOptions commandLineOptions)
        {
            var statusCodes = new ConcurrentBag <HttpStatusCode>();

            if (commandLineOptions.IsDryRun)
            {
                commandLineOptions.NumberOfRequests = 1;
            }

            if (commandLineOptions.TlsVersion.HasValue)
            {
                switch (commandLineOptions.TlsVersion.Value)
                {
                case 0:
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
                    break;

                case 1:
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls11;
                    break;

                case 2:
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
                    break;

                case 3:
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
                    break;

                default:
                    throw new InvalidOperationException("TLS version not supported.");
                }
            }

            var then = DateTime.Now;

            ConsoleWriteLine(ConsoleColor.DarkCyan, "Starting at {0}", then);

            try
            {
                var requester = string.IsNullOrEmpty(commandLineOptions.TimeField)
                    ? (IAsyncRequester) new Requester(commandLineOptions)
                    : (IAsyncRequester) new TimeBasedRequester(commandLineOptions);

                var writer = new StreamWriter(commandLineOptions.LogFile)
                {
                    AutoFlush = false
                };
                var stopwatch  = Stopwatch.StartNew();
                var timeTakens = new ConcurrentBag <double>();
                if (commandLineOptions.SaveResponses)
                {
                    if (string.IsNullOrEmpty(commandLineOptions.ResponseFolder))
                    {
                        commandLineOptions.ResponseFolder = Path.Combine(Environment.CurrentDirectory, "Responses");
                    }

                    if (!Directory.Exists(commandLineOptions.ResponseFolder))
                    {
                        Directory.CreateDirectory(commandLineOptions.ResponseFolder);
                    }
                }

                ConsoleWriteLine(ConsoleColor.Yellow, "[Press C to stop the test]");
                int total = 0;
                var stop  = new ConsoleKeyInfo();
                Console.ForegroundColor = ConsoleColor.Cyan;
                var source     = new CancellationTokenSource(TimeSpan.FromDays(7));
                var logSourece = new CancellationTokenSource(TimeSpan.FromDays(7));

                Task.Run(() => ProcessLogQueueAsync(writer, commandLineOptions.DontCapLoggingParameters, logSourece.Token), logSourece.Token);

                Task.Run(() =>
                {
                    while (true)
                    {
                        stop = Console.ReadKey(true);
                        if (stop.KeyChar == 'c')
                        {
                            break;
                        }
                    }

                    ConsoleWriteLine(ConsoleColor.Red, "...");
                    ConsoleWriteLine(ConsoleColor.Green, "Exiting.... please wait! (it might throw a few more requests)");
                    ConsoleWriteLine(ConsoleColor.Red, "");
                    source.Cancel();
                }, source.Token); // NOT MEANT TO BE AWAITED!!!!

                Run(commandLineOptions, source, requester, statusCodes, timeTakens, total);
                total = timeTakens.Count;

                Console.WriteLine();
                stopwatch.Stop();

                ConsoleWriteLine(ConsoleColor.Magenta, "---------------Finished!----------------");
                var now = DateTime.Now;
                ConsoleWriteLine(ConsoleColor.DarkCyan, "Finished at {0} (took {1})", now, now - then);

                // waiting for log to catch up
                Thread.Sleep(1000);

                source.Cancel();
                double[] orderedList = (from x in timeTakens
                                        orderby x
                                        select x).ToArray <double>();

                // ----- adding stats of statuses returned
                var stats = statusCodes.GroupBy(x => x)
                            .Select(y => new { Status = y.Key, Count = y.Count() }).OrderByDescending(z => z.Count);

                foreach (var stat in stats)
                {
                    int statusCode = (int)stat.Status;
                    if (statusCode >= 400 && statusCode < 600)
                    {
                        ConsoleWriteLine(ConsoleColor.Red, string.Format("Status {0}:    {1}", statusCode, stat.Count));
                    }
                    else
                    {
                        ConsoleWriteLine(ConsoleColor.Green, string.Format("Status {0}:    {1}", statusCode, stat.Count));
                    }
                }

                Console.WriteLine();

                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.Write("TPS: " + Math.Round(total * 1000f / stopwatch.ElapsedMilliseconds, 1));
                Console.WriteLine(" (requests/second)");
                Console.WriteLine("Max: " + (timeTakens.Max() * 1000 / Stopwatch.Frequency) + "ms");
                Console.WriteLine("Min: " + (timeTakens.Min() * 1000 / Stopwatch.Frequency) + "ms");
                Console.WriteLine("Avg: " + (timeTakens.Average() * 1000 / Stopwatch.Frequency) + "ms");
                Console.ForegroundColor = ConsoleColor.DarkGreen;
                Console.WriteLine();
                Console.WriteLine("  50%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(50M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  60%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(60M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  70%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(70M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  80%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(80M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  90%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(90M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  95%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(95M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  98%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(98M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("  99%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(99M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");
                Console.WriteLine("99.9%\tbelow " + Math.Round((double)((orderedList.Percentile <double>(99.9M) * 1000.0) / ((double)Stopwatch.Frequency))) + "ms");

                Thread.Sleep(500);
                logSourece.Cancel();
                Thread.Sleep(500);

                writer.Flush();
            }
            catch (Exception exception)
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(exception);
            }

            Console.ResetColor();
        }
        private void RequestRiverBedHomePageAsync(
            IMethodLogger logger, int numberOfRequestsToMake)
        {
            var requestTimes = new ConcurrentBag<long>();
            int htmlLength = 0;

            try
            {
                var tasks =
                    Enumerable.Range(0, numberOfRequestsToMake)
                        .Select(async x =>
                        {
                            var requestStopWatch = Stopwatch.StartNew();

                            var webClient = new WebClient();
                            using (var stream = await webClient.OpenReadTaskAsync(new Uri("http://www.riverbed.com")))
                            using (var sr = new StreamReader(stream))
                            {
                                var html = await sr.ReadToEndAsync();
                                htmlLength = html.Length;
                            }

                            requestTimes.Add(requestStopWatch.ElapsedMilliseconds);
                        });

                Task.WaitAll(tasks.ToArray());
            }
            catch (Exception e)
            {
                throw new Exception("Error getting http://www.riverbed.com: " + e.Message +
                                    Environment.NewLine + e.StackTrace);
            }

            logger.WriteMethodInfo(
                string.Format("Html Length [{0:n0}] chars.  Request Times: Min [{1:n0}] Avg [{2:n0}] Max [{3:n0}]",
                    htmlLength, requestTimes.Min(), requestTimes.Average(), requestTimes.Max()));

            logger.WriteMethodInfo("");
        }
示例#34
0
        private async Task StartSimulation()
        {
            if(Simulator.SongData==null)
            {
                MessageBox.Show("楽曲を選んでください");
                return;
            }
            if (Simulator.Unit == null)
            {
                MessageBox.Show("ユニットを選んでください");
                return;
            }
            if (Runs < 1 || Runs > 1000000)
            {
                MessageBox.Show("試行回数は1から1,000,000までである必要があります");
                return;
            }

            Note[] pattern = null;
            if (UtilizeActualPattern)
            {
                pattern = await new PatternProvider().GetPattern(Simulator.Song, Simulator.SongData.Difficulty, Simulator.SongData.Notes);
                if (pattern == null)
                {
                    MessageBox.Show($"{Simulator.Song.Title}({Simulator.SongData.Difficulty})の譜面データが見つかりませんでした。");
                    return;
                }
            }

            SimulationCompleted = false;

            var results = new ConcurrentBag<SimulationResult>();
            await Task.Run(() => Parallel.For(1, Runs+1, i => results.Add(Simulator.StartSimulation(RandomFactory.Create(), i, pattern == null ? null : new Queue<Note>(pattern)))));

            MaxScore = results.Max(x=>x.Score);
            MaxScorePerNote = results.Max(x => x.ScorePerNote);

            MinScore = results.Min(x => x.Score);
            MinScorePerNote = results.Min(x => x.ScorePerNote);

            AverageScore = (int)results.Average(x => x.Score);
            AverageScorePerNote = (int)results.Average(x => x.ScorePerNote);

            ScoreDistribution = results.GroupBy(x => (int)Math.Floor(x.Score / 10000.0)).OrderBy(x => x.Key).ToDictionary(x => x.Key, x => (double)x.Count() / results.Count);

            StandardDeviation = Math.Round(Math.Sqrt(results.Sum(x => Math.Pow(x.Score - AverageScore, 2))) / results.Count);

            int idx = 1;
            var duration = results.First().Duration;
            ActualTriggerRatio = Simulator.Unit.Slots.ToDictionary(s => $"スロット{idx++}",
                s => s == null ? 0 : results.SelectMany(x => x.TriggeredSkills).Where(x => x.Who == s).Count() / (results.Count * Math.Floor((duration - 1.0) / s.Skill.Interval)));

            SimulationResults = results.OrderBy(x => x.Id).Take(100).ToList();
            SelectedResult = SimulationResults[0];

            SimulationCompleted = true;
        }
示例#35
0
        private async Task StartSimulation()
        {
            if(Simulator.SongData==null)
            {
                MessageBox.Show("楽曲を選んでください");
                return;
            }
            if (Simulator.Unit == null)
            {
                MessageBox.Show("ユニットを選んでください");
                return;
            }

            var results = new ConcurrentBag<SimulationResult>();
            await Task.Run(() => Parallel.For(1, 101, i => results.Add(Simulator.StartSimulation(RandomFactory.Create(), i))));

            MaxScore = results.Max(x=>x.Score);
            MaxScorePerNote = results.Max(x => x.ScorePerNote);

            MinScore = results.Min(x => x.Score);
            MinScorePerNote = results.Min(x => x.ScorePerNote);

            AverageScore = (int)results.Average(x => x.Score);
            AverageScorePerNote = (int)results.Average(x => x.ScorePerNote);

            SimulationResults = results.OrderBy(x => x.Id).ToList();
            SelectedResult = SimulationResults[0];
        }
示例#36
0
        static async Task Main(string[] args)
        {
            // 测试1000次调用
            var test = new Test(1000);

            #region 循环调用
            var listGrpc = new List <long>();
            await test.TestGrpc(listGrpc);

            var listGrpcSingleConnection = new List <long>();
            await test.TestGrpcSingleConnection(listGrpcSingleConnection);

            var listGrpcConsoleApp = new List <long>();
            await test.TestGrpcConsoleApp(listGrpcConsoleApp);

            var listGrpcConsoleAppSingleConnection = new List <long>();
            await test.TestGrpcConsoleAppSingleConnection(listGrpcConsoleAppSingleConnection);

            var listWebApi = new List <long>();
            await test.TestWebApi(listWebApi);

            var listWebApiSingleConnection = new List <long>();
            await test.TestWebApiSingleConnection(listWebApiSingleConnection);

            Console.WriteLine("***** TEST RESULT gRPC Grpc.AspNetCore *****");
            Console.WriteLine("min:" + listGrpc.Min());
            Console.WriteLine("max:" + listGrpc.Max());
            Console.WriteLine("avg:" + listGrpc.Average());

            Console.WriteLine("***** TEST RESULT gRPC ConsoleApp *****");
            Console.WriteLine("min:" + listGrpcConsoleApp.Min());
            Console.WriteLine("max:" + listGrpcConsoleApp.Max());
            Console.WriteLine("avg:" + listGrpcConsoleApp.Average());

            Console.WriteLine("***** TEST RESULT WebApi *****");
            Console.WriteLine("min:" + listWebApi.Min());
            Console.WriteLine("max:" + listWebApi.Max());
            Console.WriteLine("avg:" + listWebApi.Average());

            Console.WriteLine("***** TEST RESULT gRPC SingleConnection Grpc.AspNetCore *****");
            Console.WriteLine("min:" + listGrpcSingleConnection.Min());
            Console.WriteLine("max:" + listGrpcSingleConnection.Max());
            Console.WriteLine("avg:" + listGrpcSingleConnection.Average());

            Console.WriteLine("***** TEST RESULT gRPC ConsoleApp SingleConnection *****");
            Console.WriteLine("min:" + listGrpcConsoleAppSingleConnection.Min());
            Console.WriteLine("max:" + listGrpcConsoleAppSingleConnection.Max());
            Console.WriteLine("avg:" + listGrpcConsoleAppSingleConnection.Average());

            Console.WriteLine("***** TEST RESULT WebApi SingleConnection *****");
            Console.WriteLine("min:" + listWebApiSingleConnection.Min());
            Console.WriteLine("max:" + listWebApiSingleConnection.Max());
            Console.WriteLine("avg:" + listWebApiSingleConnection.Average());

            #endregion

            #region 并发调用
            var listGrpcConcurrency = new ConcurrentBag <long>();
            await test.TestGrpcConcurrency(listGrpcConcurrency);

            var listGrpcConsoleAppConcurrency = new ConcurrentBag <long>();
            await test.TestGrpcConsoleAppConcurrency(listGrpcConsoleAppConcurrency);

            var listWebApiConcurrency = new ConcurrentBag <long>();
            await test.TestWebApiConcurrency(listWebApiConcurrency);

            Console.WriteLine("Show result(Y/N):");
            var showResult = Console.ReadLine();
            while (showResult.Equals("y", StringComparison.OrdinalIgnoreCase))
            {
                Console.WriteLine("***** TEST RESULT gRPC Concurrency Grpc.AspNetCore *****");
                Console.WriteLine("count:" + listGrpcConcurrency.Count);
                if (listGrpcConcurrency.Count > 0)
                {
                    Console.WriteLine("min:" + listGrpcConcurrency.Min());
                    Console.WriteLine("max:" + listGrpcConcurrency.Max());
                    Console.WriteLine("avg:" + listGrpcConcurrency.Average());
                }

                Console.WriteLine("***** TEST RESULT gRPC ConsoleApp Concurrency *****");
                Console.WriteLine("count:" + listGrpcConsoleAppConcurrency.Count);
                if (listGrpcConsoleAppConcurrency.Count > 0)
                {
                    Console.WriteLine("min:" + listGrpcConsoleAppConcurrency.Min());
                    Console.WriteLine("max:" + listGrpcConsoleAppConcurrency.Max());
                    Console.WriteLine("avg:" + listGrpcConsoleAppConcurrency.Average());
                }

                Console.WriteLine("***** TEST RESULT WebApi Concurrency *****");
                Console.WriteLine("count:" + listWebApiConcurrency.Count);
                if (listWebApiConcurrency.Count > 0)
                {
                    Console.WriteLine("min:" + listWebApiConcurrency.Min());
                    Console.WriteLine("max:" + listWebApiConcurrency.Max());
                    Console.WriteLine("avg:" + listWebApiConcurrency.Average());
                }

                Console.WriteLine("Show result(Y/N):");
                showResult = Console.ReadLine();
            }
            #endregion

            Console.ReadKey();
        }