public Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default(CancellationToken))
{
var options = _options.Get(context.Registration.Name);
// This example will report degraded status if the application is using
// more than the configured amount of memory (1gb by default).
//
// Additionally we include some GC info in the reported diagnostics.
var allocated = GC.GetTotalMemory(forceFullCollection: false);
var data = new Dictionary <string, object>()
{
{ "Allocated", allocated },
{ "AllocatedMessage", $"{allocated.GetByteCountString()} allocated is {((double)allocated / (double)options.Threshold).ToString("P0")} of the threshold of {options.Threshold.GetByteCountString()}" },
{ "Gen0Collections", GC.CollectionCount(0) },
{ "Gen1Collections", GC.CollectionCount(1) },
{ "Gen2Collections", GC.CollectionCount(2) },
};
// Report failure if the allocated memory is >= the threshold.
//
// Using context.Registration.FailureStatus means that the application developer can configure
// how they want failures to appear.
var result = allocated >= options.Threshold ? context.Registration.FailureStatus : HealthStatus.Healthy;
if (allocated >= options.Threshold)
{
return(Task.FromResult(HealthCheckResult.Unhealthy(
description: "reports degraded status if allocated bytes >= 1gb",
data: data)));
}
else
{
return(Task.FromResult(HealthCheckResult.Healthy(
data: data)));
}
}
private void UpdateMetrics()
{
try
{
_process.Refresh();
for (var gen = 0; gen <= GC.MaxGeneration; gen++)
{
var collectionCount = _collectionCounts[gen];
collectionCount.Inc(GC.CollectionCount(gen) - collectionCount.Value);
}
_totalMemory.Set(GC.GetTotalMemory(false));
_virtualMemorySize.Set(_process.VirtualMemorySize64);
_workingSet.Set(_process.WorkingSet64);
_privateMemorySize.Set(_process.PrivateMemorySize64);
_cpuTotal.Inc(Math.Max(0, _process.TotalProcessorTime.TotalSeconds - _cpuTotal.Value));
_openHandles.Set(_process.HandleCount);
_numThreads.Set(_process.Threads.Count);
}
catch (Exception)
{
}
}
public void send_err_service_thread()
{
JObject oKeepResponeExecute = new JObject();
try
{
string str = "{'hostname': '" + Environment.MachineName + "','ipaddress': '" + GetLocalIPAddress() + "','inputpath': '" + this.input.Split('\\')[this.input.Split('\\').Length - 2] + "','outputpath': '" + this.path.Split('\\')[this.path.Split('\\').Length - 2] + "','err_code': '" + this.err_code + "','email': '" + this.email + "','taxid': '" + this.taxseller + "','err_msg': '" + this.err_msg + "','actionmsg':'" + this.actionmsg + "'}";
Console.WriteLine(str + " TEST to JSON");
//string _idcomputer = this.form.label20.Text;
//JObject json__idcomputer = JObject.Parse(_idcomputer);
var client = new RestClient(iphost + "/api/v1/mail_err");
var request = new RestRequest(Method.POST);
JObject json = JObject.Parse(str);
request.AddHeader("cache-control", "no-cache");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("undefined", json.ToString(), ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
oKeepResponeExecute = JObject.Parse(response.Content.ToString());
Console.WriteLine(oKeepResponeExecute + " ERR Service");
}
catch (Exception ea)
{
Console.WriteLine(ea);
}
finally
{
for (int i = 0; i <= GC.MaxGeneration; i++)
{
int count = GC.CollectionCount(i);
GC.Collect();
}
GC.WaitForPendingFinalizers();
GC.SuppressFinalize(this);
}
}
public void StopCollectingStatistics()
{
if (!_isCollectingStatistics) // Already stopped
{
return;
}
_dxScene.AfterFrameRendered -= DXSceneOnAfterFrameRendered;
_stopwatch.Stop();
_isCollectingStatistics = false;
// Store the number of time garbage collection has occured after we started CollectingStatistics
for (int i = 0; i < GC.MaxGeneration; i++)
{
_garbageCollectionsCount[i] = GC.CollectionCount(i) - _garbageCollectionsCount[i];
}
if (_isEnabledCollectingStatistics)
{
DXDiagnostics.IsCollectingStatistics = false;
_isEnabledCollectingStatistics = false;
}
}
static void Concurrency()
{
Console.WriteLine("Concurrency och minneshantering. (2ggr)");
Console.ReadKey();
for (int y = 0; y < 2; y++)
{
int remaining = 20_000_000;
var mres = new ManualResetEventSlim();
WaitCallback wc = null;
wc = delegate
{
if (Interlocked.Decrement(ref remaining) <= 0)
{
mres.Set();
}
else
{
ThreadPool.QueueUserWorkItem(wc);
}
};
var sw = new Stopwatch();
int gen0 = GC.CollectionCount(0), gen1 = GC.CollectionCount(1), gen2 = GC.CollectionCount(2);
sw.Start();
for (int i = 0; i < Environment.ProcessorCount; i++)
{
ThreadPool.QueueUserWorkItem(wc);
}
mres.Wait();
Console.WriteLine($"Elapsed={sw.Elapsed} Gen0={GC.CollectionCount(0) - gen0} Gen1={GC.CollectionCount(1) - gen1} Gen2={GC.CollectionCount(2) - gen2}");
}
Console.ReadKey();
Console.WriteLine();
}
private static void _pruneCachedTraceSources()
{
lock (s_tracesources)
{
if (s_LastCollectionCount != GC.CollectionCount(2))
{
List <WeakReference <TraceSource> > buffer = new List <WeakReference <TraceSource> >(s_tracesources.Count);
for (int i = 0; i < s_tracesources.Count; i++)
{
if (s_tracesources[i].TryGetTarget(out _))
{
buffer.Add(s_tracesources[i]);
}
}
if (buffer.Count < s_tracesources.Count)
{
s_tracesources.Clear();
s_tracesources.AddRange(buffer);
s_tracesources.TrimExcess();
}
s_LastCollectionCount = GC.CollectionCount(2);
}
}
}
public IEnumerator OnUpdate()
{
while (!m_stop)
{
int collCount = GC.CollectionCount(0);
if (Math.Abs(m_lastCollectNum - collCount) > Mathf.Epsilon)
{
m_lastCollectNum = collCount;
m_delta = Time.realtimeSinceStartup - m_lastCollect;
m_lastCollect = Time.realtimeSinceStartup;
m_lastDeltaTime = Time.deltaTime;
m_collectAlloc = m_allocMem;
}
m_allocMem = GC.GetTotalMemory(false);
m_peakAlloc = m_allocMem > m_peakAlloc ? m_allocMem : m_peakAlloc;
if (!(Time.realtimeSinceStartup - m_lastAllocSet > 0.3f))
{
yield return(new WaitForSeconds(1.0f));
}
long diff = m_allocMem - m_lastAllocMemory;
m_lastAllocMemory = m_allocMem;
m_lastAllocSet = Time.realtimeSinceStartup;
if (diff >= 0)
{
m_allocRate = diff;
}
yield return(new WaitForSeconds(1.0f));
}
}
private static void Logout(Session session)
{
Console.WriteLine("Logged out");
Thread.EndThreadAffinity();
GC0 = GC.CollectionCount(0) - GC0;
GC1 = GC.CollectionCount(1) - GC1;
GC2 = GC.CollectionCount(2) - GC2;
Console.WriteLine();
Console.WriteLine("Orders: " + Orders);
Console.WriteLine("Filled: " + Executions);
Console.WriteLine();
Console.WriteLine($"GC 0: {GC0}");
Console.WriteLine($"GC 1: {GC1}");
Console.WriteLine($"GC 2: {GC2}");
Console.WriteLine();
Console.WriteLine("---------------------");
Console.WriteLine();
Console.WriteLine("Waiting for client...");
Console.WriteLine();
}
private void _setLabelText()
{
sb.Clear();
if (showFrameInfo)
{
sb.Append($"{fpsPerf.GetHistoryString(this.labelUpdateFrequency)}");
sb.Append($"\n{totalFramePerf.GetHistoryString(this.labelUpdateFrequency) }");
sb.Append($"\n{treeEndHelper.insideTreePerf.GetHistoryString(this.labelUpdateFrequency)}");
sb.Append($"\n{treeEndHelper.outsideTreePerf.GetHistoryString(this.labelUpdateFrequency)}");
sb.Append($"\n");
}
if (showPhysicInfo)
{
var phyInterpFrac = Engine.GetPhysicsInterpolationFraction();
var phyInFrame = Engine.IsInPhysicsFrame();
var phyItterPerSec = Engine.IterationsPerSecond;
var activeObjects = PhysicsServer.GetProcessInfo(PhysicsServer.ProcessInfo.ActiveObjects);
var collisionPairs = PhysicsServer.GetProcessInfo(PhysicsServer.ProcessInfo.CollisionPairs);
var islandCount = PhysicsServer.GetProcessInfo(PhysicsServer.ProcessInfo.IslandCount);
sb.Append($"\nPhysics: Itter/sec={phyItterPerSec} inPhyFrame={phyInFrame} interpFrac={phyInterpFrac.ToString("F2")} activeObj={activeObjects} colPairs={collisionPairs} islands={islandCount}");
}
if (showGcInfo)
{
var totMem = GC.GetTotalMemory(false) / 1024;
var gcCount = new int[] { GC.CollectionCount(0), GC.CollectionCount(1), GC.CollectionCount(2) };
sb.Append($"\nGC: Collects/Gen={string.Join(",", gcCount)} ({totMem}K Total Alloc)");
}
label.Text = sb.ToString();
}
public void Dispose()
{
Console.WriteLine("{0} (GCs={1,3}) {2}", (m_stopwatch.Elapsed), GC.CollectionCount(0) - m_collectionCount, m_text);
}
public static void Calibrate()
{
OffsetGen0 = GC.CollectionCount(0);
OffsetGen1 = GC.CollectionCount(1);
OffsetGen2 = GC.CollectionCount(2);
}
protected override void OnEventCommand(EventCommandEventArgs command)
{
if (command.Command == EventCommand.Enable)
{
// NOTE: These counters will NOT be disposed on disable command because we may be introducing
// a race condition by doing that. We still want to create these lazily so that we aren't adding
// overhead by at all times even when counters aren't enabled.
// On disable, PollingCounters will stop polling for values so it should be fine to leave them around.
_cpuTimeCounter ??= new PollingCounter("cpu-usage", this, () => RuntimeEventSourceHelper.GetCpuUsage())
{
DisplayName = "CPU Usage", DisplayUnits = "%"
};
_workingSetCounter ??= new PollingCounter("working-set", this, () => (double)(Environment.WorkingSet / 1_000_000))
{
DisplayName = "Working Set", DisplayUnits = "MB"
};
_gcHeapSizeCounter ??= new PollingCounter("gc-heap-size", this, () => (double)(GC.GetTotalMemory(false) / 1_000_000))
{
DisplayName = "GC Heap Size", DisplayUnits = "MB"
};
_gen0GCCounter ??= new IncrementingPollingCounter("gen-0-gc-count", this, () => GC.CollectionCount(0))
{
DisplayName = "Gen 0 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_gen1GCCounter ??= new IncrementingPollingCounter("gen-1-gc-count", this, () => GC.CollectionCount(1))
{
DisplayName = "Gen 1 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_gen2GCCounter ??= new IncrementingPollingCounter("gen-2-gc-count", this, () => GC.CollectionCount(2))
{
DisplayName = "Gen 2 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_threadPoolThreadCounter ??= new PollingCounter("threadpool-thread-count", this, () => ThreadPool.ThreadCount)
{
DisplayName = "ThreadPool Thread Count"
};
_monitorContentionCounter ??= new IncrementingPollingCounter("monitor-lock-contention-count", this, () => Monitor.LockContentionCount)
{
DisplayName = "Monitor Lock Contention Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_threadPoolQueueCounter ??= new PollingCounter("threadpool-queue-length", this, () => ThreadPool.PendingWorkItemCount)
{
DisplayName = "ThreadPool Queue Length"
};
_completedItemsCounter ??= new IncrementingPollingCounter("threadpool-completed-items-count", this, () => ThreadPool.CompletedWorkItemCount)
{
DisplayName = "ThreadPool Completed Work Item Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_allocRateCounter ??= new IncrementingPollingCounter("alloc-rate", this, () => GC.GetTotalAllocatedBytes())
{
DisplayName = "Allocation Rate", DisplayUnits = "B", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_timerCounter ??= new PollingCounter("active-timer-count", this, () => Timer.ActiveCount)
{
DisplayName = "Number of Active Timers"
};
_fragmentationCounter ??= new PollingCounter("gc-fragmentation", this, () => {
var gcInfo = GC.GetGCMemoryInfo();
return(gcInfo.HeapSizeBytes != 0 ? gcInfo.FragmentedBytes * 100d / gcInfo.HeapSizeBytes : 0);
})
{
DisplayName = "GC Fragmentation", DisplayUnits = "%"
};
_committedCounter ??= new PollingCounter("gc-committed", this, () => (double)(GC.GetGCMemoryInfo().TotalCommittedBytes / 1_000_000))
{
DisplayName = "GC Committed Bytes", DisplayUnits = "MB"
};
_exceptionCounter ??= new IncrementingPollingCounter("exception-count", this, () => Exception.GetExceptionCount())
{
DisplayName = "Exception Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_gcTimeCounter ??= new PollingCounter("time-in-gc", this, () => GC.GetLastGCPercentTimeInGC())
{
DisplayName = "% Time in GC since last GC", DisplayUnits = "%"
};
_gen0SizeCounter ??= new PollingCounter("gen-0-size", this, () => GC.GetGenerationSize(0))
{
DisplayName = "Gen 0 Size", DisplayUnits = "B"
};
_gen1SizeCounter ??= new PollingCounter("gen-1-size", this, () => GC.GetGenerationSize(1))
{
DisplayName = "Gen 1 Size", DisplayUnits = "B"
};
_gen2SizeCounter ??= new PollingCounter("gen-2-size", this, () => GC.GetGenerationSize(2))
{
DisplayName = "Gen 2 Size", DisplayUnits = "B"
};
_lohSizeCounter ??= new PollingCounter("loh-size", this, () => GC.GetGenerationSize(3))
{
DisplayName = "LOH Size", DisplayUnits = "B"
};
_pohSizeCounter ??= new PollingCounter("poh-size", this, () => GC.GetGenerationSize(4))
{
DisplayName = "POH (Pinned Object Heap) Size", DisplayUnits = "B"
};
_assemblyCounter ??= new PollingCounter("assembly-count", this, () => System.Reflection.Assembly.GetAssemblyCount())
{
DisplayName = "Number of Assemblies Loaded"
};
_ilBytesJittedCounter ??= new PollingCounter("il-bytes-jitted", this, () => System.Runtime.JitInfo.GetCompiledILBytes())
{
DisplayName = "IL Bytes Jitted", DisplayUnits = "B"
};
_methodsJittedCounter ??= new PollingCounter("methods-jitted-count", this, () => System.Runtime.JitInfo.GetCompiledMethodCount())
{
DisplayName = "Number of Methods Jitted"
};
_jitTimeCounter ??= new IncrementingPollingCounter("time-in-jit", this, () => System.Runtime.JitInfo.GetCompilationTime().TotalMilliseconds)
{
DisplayName = "Time spent in JIT", DisplayUnits = "ms", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
AppContext.LogSwitchValues(this);
}
}
}
}
public void ExecuteTest(string testName, int threadCount, int messageCount, Action <string, object[]> logMethod, Action flushMethod)
{
var currentProcess = Process.GetCurrentProcess();
if (Environment.ProcessorCount > 1)
{
if (threadCount <= 1)
{
currentProcess.PriorityClass = ProcessPriorityClass.High;
}
else
{
currentProcess.PriorityClass = ProcessPriorityClass.AboveNormal;
}
}
#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2
long threadAllocationTotal = 0;
#endif
Action <object> threadAction = (state) =>
{
int threadMessageCount = (int)state;
#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2
long allocatedBytesForCurrentThread = GC.GetAllocatedBytesForCurrentThread();
#endif
for (int i = 0; i < threadMessageCount; i += _messageTemplates.Count)
{
for (int j = 0; j < _messageTemplates.Count; ++j)
{
logMethod(_messageTemplates[j], _messageArgs);
}
}
#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2
System.Threading.Interlocked.Add(ref threadAllocationTotal, GC.GetAllocatedBytesForCurrentThread() - allocatedBytesForCurrentThread);
#endif
};
int warmUpCount = messageCount > 100000 * 2 ? 100000 : messageCount / 10;
Console.WriteLine(string.Format("Executing warmup run... (.NET={0}, Platform={1}bit)", FileVersionInfo.GetVersionInfo(typeof(int).Assembly.Location).ProductVersion, IntPtr.Size * 8));
RunTest(threadAction, 1, warmUpCount / _messageTemplates.Count); // Warmup run
GC.Collect(2, GCCollectionMode.Forced, true);
#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2
#else
AppDomain.MonitoringIsEnabled = true;
#endif
System.Threading.Thread.Sleep(2000); // Allow .NET runtime to do its background thing, before we start
Console.WriteLine("Executing performance test...");
Console.WriteLine("");
Console.WriteLine("| Test Name | Messages | Size | Args | Threads |");
Console.WriteLine("|------------------|------------|------|------|---------|");
Console.WriteLine("| {0,-16} | {1,10:N0} | {2,4} | {3,4} | {4,7} |", testName, messageCount, _messageTemplates[0].Length, _messageArgs.Length, threadCount);
Console.WriteLine("");
Stopwatch stopWatch = new Stopwatch();
int gc2count = GC.CollectionCount(2);
int gc1count = GC.CollectionCount(1);
int gc0count = GC.CollectionCount(0);
#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2
threadAllocationTotal = 0;
#else
long allocatedBytes = AppDomain.CurrentDomain.MonitoringTotalAllocatedMemorySize;
#endif
TimeSpan cpuTimeBefore = currentProcess.TotalProcessorTime;
int countPerThread = (int)((messageCount - 1) / (double)threadCount);
int actualMessageCount = countPerThread * threadCount;
stopWatch.Start();
RunTest(threadAction, threadCount, countPerThread); // Real performance run
flushMethod();
stopWatch.Stop();
TimeSpan cpuTimeAfter = currentProcess.TotalProcessorTime;
#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2
long deltaAllocatedBytes = threadAllocationTotal;
#else
long deltaAllocatedBytes = AppDomain.CurrentDomain.MonitoringTotalAllocatedMemorySize - allocatedBytes;
#endif
// Show report message.
var throughput = actualMessageCount / ((double)stopWatch.ElapsedTicks / Stopwatch.Frequency);
Console.WriteLine("");
Console.WriteLine("| Test Name | Time (ms) | Msgs/sec | GC2 | GC1 | GC0 | CPU (ms) | Alloc (MB) |");
Console.WriteLine("|------------------|-----------|-----------|-----|-----|-----|----------|------------|");
Console.WriteLine(
string.Format("| {0,-16} | {1,9:N0} | {2,9:N0} | {3,3} | {4,3} | {5,3} | {6,8:N0} | {7,10:N1} |",
testName,
stopWatch.ElapsedMilliseconds,
(long)throughput,
GC.CollectionCount(2) - gc2count,
GC.CollectionCount(1) - gc1count,
GC.CollectionCount(0) - gc0count,
(int)(cpuTimeAfter - cpuTimeBefore).TotalMilliseconds,
deltaAllocatedBytes / 1024.0 / 1024.0));
if (stopWatch.ElapsedMilliseconds < 5000)
{
Console.WriteLine("!!! Test completed too quickly, to give useful numbers !!!");
}
if (!Stopwatch.IsHighResolution)
{
Console.WriteLine("!!! Stopwatch.IsHighResolution = False !!!");
}
#if DEBUG
Console.WriteLine("!!! Using DEBUG build !!!");
#endif
}
public void SteadyState()
{
Console.WriteLine(_index + ": replacing old every " + _old_time + "; med every " + _med_time + ";creating young " + _young_time + "times ("
+ "(size " + _mean_young_alloc_size + ")");
Console.WriteLine("iterating {0} times", _iter_count);
int iter_interval = _iter_count / 10;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Reset();
stopwatch.Start();
//int lastGen2Count = 0;
int lastGen1Count = 0;
int checkInterval = _old.Length / 10;
int lastChecked = 0;
int iCheckedEnd = 0;
int timeoutInterval = 5;
double pinRatio = 0.1;
bool fIsPinned = false;
int iPinInterval = (int)((double)1 / pinRatio);
Console.WriteLine("Pinning every {0} object", iPinInterval);
int iNextPin = _rand.getRand(iPinInterval * 4) + 1;
int iPinnedObject = 0;
int iPinnedMidSize = _mean_old_alloc_size * 2;
int countObjects = 0;
int countObjectsGen1 = 0;
int[] countWithGen = new int[3];
MiddlePin[] steadyPinningArray = new MiddlePin[100];
GCHandle[] steadyPinningHandles = new GCHandle[100];
int steadyPinningIndex = 0;
for (steadyPinningIndex = 0; steadyPinningIndex < steadyPinningArray.Length; steadyPinningIndex++)
{
steadyPinningArray[steadyPinningIndex] = new MiddlePin();
steadyPinningHandles[steadyPinningIndex] = new GCHandle();
}
for (int j = 0; j < _iter_count; j++)
{
if (steadyPinningIndex >= steadyPinningArray.Length)
{
steadyPinningIndex = 0;
// Console.WriteLine("steady array wrapped, press enter to continue");
// Console.ReadLine();
}
byte[] tempObj = new byte[1];
steadyPinningArray[steadyPinningIndex].smallNonePinned = new byte[8];
steadyPinningArray[steadyPinningIndex].pinnedObj = new byte[8];
steadyPinningArray[steadyPinningIndex].nonePinned = new byte[24];
steadyPinningHandles[steadyPinningIndex] = GCHandle.Alloc(steadyPinningArray[steadyPinningIndex].pinnedObj, GCHandleType.Pinned);
steadyPinningArray[steadyPinningIndex].smallNonePinned[3] = 0x31;
steadyPinningArray[steadyPinningIndex].smallNonePinned[5] = 0x51;
steadyPinningArray[steadyPinningIndex].smallNonePinned[7] = 0x71;
steadyPinningArray[steadyPinningIndex].pinnedObj[3] = 0x21;
steadyPinningArray[steadyPinningIndex].pinnedObj[5] = 0x41;
steadyPinningArray[steadyPinningIndex].pinnedObj[7] = 0x61;
tempObj = new byte[256];
steadyPinningIndex++;
countObjects = 0;
countObjectsGen1 = 0;
iCheckedEnd = lastChecked + checkInterval;
if (iCheckedEnd > _old.Length)
{
iCheckedEnd = _old.Length;
}
//Console.WriteLine("timing out item {0} to {1}", lastChecked, iCheckedEnd);
// time out requests in this range.
// for the range we are looking at time out requests (ie, end them and replace them with new ones).
// we go from the beginning of the range to the end, time out every Nth one; then time out everyone
// after that, and so on.
for (int iIter = 0; iIter < timeoutInterval; iIter++)
{
for (int iCheckIndex = 0; iCheckIndex < ((iCheckedEnd - lastChecked) / timeoutInterval); iCheckIndex++)
{
int iItemIndex = (lastChecked + iCheckIndex * timeoutInterval + iIter) % _old.Length;
// Console.WriteLine("replacing item {0}", iItemIndex);
_old[iItemIndex].Free();
countObjects++;
if ((countObjects % 10) == 0)
{
byte[] temp = new byte[_mean_med_alloc_size * 3];
temp[0] = (byte)27; // 0x1b
}
else if ((countObjects % 4) == 0)
{
byte[] temp = new byte[1];
temp[0] = (byte)27; // 0x1b
}
if (countObjects == iNextPin)
{
fIsPinned = true;
iNextPin += _rand.getRand(iPinInterval * 4) + 1;
}
else
{
fIsPinned = false;
}
iPinnedMidSize = _mean_old_alloc_size * 2;
if (fIsPinned)
{
iPinnedObject++;
if ((iPinnedObject % 10) == 0)
{
iPinnedMidSize = _mean_old_alloc_size * 10;
}
}
//Console.WriteLine("perm {0}, mid {1}, {2}", mean_old_alloc_size, iPinnedMidSize, (fIsPinned ? "pinned" : "not pinned"));
_old[iItemIndex] = new MyRequest(_mean_old_alloc_size, iPinnedMidSize, fIsPinned);
}
}
for (int i = 0; i < 3; i++)
{
countWithGen[i] = 0;
}
// Console.WriteLine("Checking {0} to {1}", lastChecked, iCheckedEnd);
for (int iItemIndex = lastChecked; iItemIndex < iCheckedEnd; iItemIndex++)
{
//int iGen = GC.GetGeneration(old[iItemIndex].mObj);
int iGen = _rand.getRand(3);
countWithGen[iGen]++;
if (iGen == 1)
{
//Console.WriteLine("item {0} is in gen1, getting rid of it", iItemIndex);
if ((countObjectsGen1 % 5) == 0)
{
_old[iItemIndex].mObj = null;
}
countObjectsGen1++;
}
}
// Console.WriteLine("{0} in gen0, {1} in gen1, {2} in gen2",
// countWithGen[0],
// countWithGen[1],
// countWithGen[2]);
//
// Console.WriteLine("{0} objects out of {1} are in gen1", countObjectsGen1, (iCheckedEnd - lastChecked));
if (iCheckedEnd == _old.Length)
{
lastChecked = 0;
}
else
{
lastChecked += checkInterval;
}
int currentGen1Count = GC.CollectionCount(1);
if ((currentGen1Count - lastGen1Count) > 30)
{
GC.Collect(2, GCCollectionMode.Forced, false);
Console.WriteLine("{0}: iter {1}, heap size: {2}", _index, j, GC.GetTotalMemory(false));
lastGen1Count = currentGen1Count;
}
}
for (steadyPinningIndex = 0; steadyPinningIndex < steadyPinningArray.Length; steadyPinningIndex++)
{
if (steadyPinningHandles[steadyPinningIndex].IsAllocated)
{
steadyPinningHandles[steadyPinningIndex].Free();
}
}
stopwatch.Stop();
Console.WriteLine("{0}: steady: {1:d} seconds({2:d} ms. Heap size {3})",
_index, (int)stopwatch.Elapsed.TotalSeconds, (int)stopwatch.Elapsed.TotalMilliseconds,
GC.GetTotalMemory(false));
}
/// <summary>真正的计时</summary>
protected virtual void TimeTrue()
{
if (Times <= 0)
{
throw new Exception("非法迭代次数！");
}
// 统计GC代数
GC.Collect(GC.MaxGeneration);
gen = new Int32[GC.MaxGeneration + 1];
for (Int32 i = 0; i <= GC.MaxGeneration; i++)
{
gen[i] = GC.CollectionCount(i);
}
Stopwatch watch = new Stopwatch();
watch.Start();
cpuCycles = GetCycleCount();
threadTime = GetCurrentThreadTimes();
// 如果未指定迭代方法，则使用内部的Time
Action <Int32> action = Action;
if (action == null)
{
action = Time;
// 初始化
Init();
}
for (Int32 i = 0; i < Times; i++)
{
Index = i;
action(i);
}
if (Action == null)
{
// 结束
Finish();
}
CpuCycles = (long)(GetCycleCount() - cpuCycles);
ThreadTime = GetCurrentThreadTimes() - threadTime;
watch.Stop();
Elapsed = watch.Elapsed;
// 统计GC代数
List <Int32> list = new List <Int32>();
for (Int32 i = 0; i <= GC.MaxGeneration; i++)
{
int count = GC.CollectionCount(i) - gen[i];
list.Add(count);
}
Gen = list.ToArray();
}
public void PrepareFrame(RenderFrame frame, ElapsedTime elapsedTime)
{
FrameNumber++;
if (Viewer.RealTime - LastUpdateRealTime >= 0.25)
{
double elapsedRealSeconds = Viewer.RealTime - LastUpdateRealTime;
LastUpdateRealTime = Viewer.RealTime;
Profile(elapsedRealSeconds);
}
#if DEBUG_DUMP_STEAM_POWER_CURVE
if (IsRecordingSteamPowerCurve)
{
RecordSteamPowerCurve();
}
else
{
#endif
if (IsRecordingSteamPerformance)
{
RecordSteamPerformance();
}
else
//Here's where the logger stores the data from each frame
if (Viewer.Settings.DataLogger)
{
Logger.Separator = (DataLogger.Separators)Enum.Parse(typeof(DataLogger.Separators), Viewer.Settings.DataLoggerSeparator);
if (Viewer.Settings.DataLogPerformance)
{
Logger.Data(VersionInfo.Version);
Logger.Data(FrameNumber.ToString("F0"));
Logger.Data(GetWorkingSetSize().ToString("F0"));
Logger.Data(GC.GetTotalMemory(false).ToString("F0"));
Logger.Data(GC.CollectionCount(0).ToString("F0"));
Logger.Data(GC.CollectionCount(1).ToString("F0"));
Logger.Data(GC.CollectionCount(2).ToString("F0"));
Logger.Data(ProcessorCount.ToString("F0"));
Logger.Data(Viewer.RenderProcess.FrameRate.Value.ToString("F0"));
Logger.Data(Viewer.RenderProcess.FrameTime.Value.ToString("F6"));
Logger.Data(Viewer.RenderProcess.ShadowPrimitivePerFrame.Sum().ToString("F0"));
Logger.Data(Viewer.RenderProcess.PrimitivePerFrame.Sum().ToString("F0"));
Logger.Data(Viewer.RenderProcess.Profiler.Wall.Value.ToString("F0"));
Logger.Data(Viewer.UpdaterProcess.Profiler.Wall.Value.ToString("F0"));
Logger.Data(Viewer.LoaderProcess.Profiler.Wall.Value.ToString("F0"));
Logger.Data(Viewer.SoundProcess.Profiler.Wall.Value.ToString("F0"));
}
if (Viewer.Settings.DataLogPhysics)
{
Logger.Data(FormatStrings.FormatPreciseTime(Viewer.Simulator.ClockTime));
Logger.Data(Viewer.PlayerLocomotive.Direction.ToString());
Logger.Data(Viewer.PlayerTrain.MUReverserPercent.ToString("F0"));
Logger.Data(Viewer.PlayerLocomotive.ThrottlePercent.ToString("F0"));
Logger.Data(Viewer.PlayerLocomotive.MotiveForceN.ToString("F0"));
Logger.Data(Viewer.PlayerLocomotive.BrakeForceN.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSLocomotive).LocomotiveAxle.AxleForceN.ToString("F2"));
Logger.Data((Viewer.PlayerLocomotive as MSTSLocomotive).LocomotiveAxle.SlipSpeedPercent.ToString("F1"));
switch (Viewer.Settings.DataLogSpeedUnits)
{
case "route":
Logger.Data(FormatStrings.FormatSpeed(Viewer.PlayerLocomotive.SpeedMpS, Viewer.MilepostUnitsMetric));
break;
case "mps":
Logger.Data(Viewer.PlayerLocomotive.SpeedMpS.ToString("F1"));
break;
case "mph":
Logger.Data(MpS.FromMpS(Viewer.PlayerLocomotive.SpeedMpS, false).ToString("F1"));
break;
case "kmph":
Logger.Data(MpS.FromMpS(Viewer.PlayerLocomotive.SpeedMpS, true).ToString("F1"));
break;
default:
Logger.Data(FormatStrings.FormatSpeed(Viewer.PlayerLocomotive.SpeedMpS, Viewer.MilepostUnitsMetric));
break;
}
Logger.Data((Viewer.PlayerLocomotive.DistanceM.ToString("F0")));
Logger.Data((Viewer.PlayerLocomotive.GravityForceN.ToString("F0")));
if ((Viewer.PlayerLocomotive as MSTSLocomotive).TrainBrakeController != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSLocomotive).TrainBrakeController.CurrentValue.ToString("F2"));
}
else
{
Logger.Data("null");
}
if ((Viewer.PlayerLocomotive as MSTSLocomotive).EngineBrakeController != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSLocomotive).EngineBrakeController.CurrentValue.ToString("F2"));
}
else
{
Logger.Data("null");
}
Logger.Data(Viewer.PlayerLocomotive.BrakeSystem.GetCylPressurePSI().ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSLocomotive).MainResPressurePSI.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSLocomotive).CompressorIsOn.ToString());
#if GEARBOX_DEBUG_LOG
if (Viewer.PlayerLocomotive.GetType() == typeof(MSTSDieselLocomotive))
{
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines[0].RealRPM.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines[0].DemandedRPM.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines[0].LoadPercent.ToString("F0"));
if ((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines.HasGearBox)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines[0].GearBox.CurrentGearIndex.ToString());
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines[0].GearBox.NextGearIndex.ToString());
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselEngines[0].GearBox.ClutchPercent.ToString());
}
else
{
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
}
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselFlowLps.ToString("F2"));
Logger.Data((Viewer.PlayerLocomotive as MSTSDieselLocomotive).DieselLevelL.ToString("F0"));
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
}
if (Viewer.PlayerLocomotive.GetType() == typeof(MSTSElectricLocomotive))
{
Logger.Data((Viewer.PlayerLocomotive as MSTSElectricLocomotive).Pantographs[1].CommandUp.ToString());
Logger.Data((Viewer.PlayerLocomotive as MSTSElectricLocomotive).Pantographs[2].CommandUp.ToString());
Logger.Data((Viewer.PlayerLocomotive as MSTSElectricLocomotive).Pantographs.List.Count > 2 ?
(Viewer.PlayerLocomotive as MSTSElectricLocomotive).Pantographs[3].CommandUp.ToString() : null);
Logger.Data((Viewer.PlayerLocomotive as MSTSElectricLocomotive).Pantographs.List.Count > 3 ?
(Viewer.PlayerLocomotive as MSTSElectricLocomotive).Pantographs[4].CommandUp.ToString() : null);
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
Logger.Data("null");
}
if (Viewer.PlayerLocomotive.GetType() == typeof(MSTSSteamLocomotive))
{
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).BlowerSteamUsageLBpS.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).BoilerPressurePSI.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).CylinderCocksAreOpen.ToString());
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).CylinderCompoundOn.ToString());
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).EvaporationLBpS.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).FireMassKG.ToString("F0"));
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).CylinderSteamUsageLBpS.ToString("F0"));
if ((Viewer.PlayerLocomotive as MSTSSteamLocomotive).BlowerController != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).BlowerController.CurrentValue.ToString("F0"));
}
else
{
Logger.Data("null");
}
if ((Viewer.PlayerLocomotive as MSTSSteamLocomotive).DamperController != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).DamperController.CurrentValue.ToString("F0"));
}
else
{
Logger.Data("null");
}
if ((Viewer.PlayerLocomotive as MSTSSteamLocomotive).FiringRateController != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).FiringRateController.CurrentValue.ToString("F0"));
}
else
{
Logger.Data("null");
}
if ((Viewer.PlayerLocomotive as MSTSSteamLocomotive).Injector1Controller != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).Injector1Controller.CurrentValue.ToString("F0"));
}
else
{
Logger.Data("null");
}
if ((Viewer.PlayerLocomotive as MSTSSteamLocomotive).Injector2Controller != null)
{
Logger.Data((Viewer.PlayerLocomotive as MSTSSteamLocomotive).Injector2Controller.CurrentValue.ToString("F0"));
}
else
{
Logger.Data("null");
}
}
#endif
}
Logger.End();
#if DEBUG_DUMP_STEAM_POWER_CURVE
}
#endif
}
}
public string GetGCCount(ParseState state)
{
state.msg($"Gc0:{GC.CollectionCount(0)} GC1:{GC.CollectionCount(1)} GC2:{GC.CollectionCount(2)}");
state.msg($"{GC.GetTotalMemory(false)}");
return(success);
}
public static void ParallelTime
(
string name
, int iterations
, Action actionOnce
, int maxDegreeOfParallelism //= 1
, MultiPerformanceCountersTypeFlags enablePerformanceCounters //= false
, string performanceCountersCategoryName
, string performanceCountersCategoryInstanceName
)
{
// 1.
ConsoleColor currentForeColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(name);
// 2.
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
int[] gcCounts = new int[GC.MaxGeneration + 1];
for (int i = 0; i <= GC.MaxGeneration; i++)
{
gcCounts[i] = GC.CollectionCount(i);
}
IntPtr threadID = GetCurrentThreadId();
Stopwatch watch = Stopwatch.StartNew();
ulong cycleCount = GetCurrentThreadCycleCount();
#if NET45
//#endif
Parallel.For
(
0
, iterations
, new ParallelOptions()
{
MaxDegreeOfParallelism = maxDegreeOfParallelism
//, TaskScheduler = null
}
, (x) =>
{
EasyPerformanceCountersHelper <SessionsPerformanceCountersContainer> .CountPerformance
(
enablePerformanceCounters
, performanceCountersCategoryName
, performanceCountersCategoryInstanceName
, null
, actionOnce
, null
, null
, null
);
}
);
//#if NET45
#endif
ulong cpuCycles = GetCurrentThreadCycleCount() - cycleCount;
watch.Stop();
//watch = null;
// 4.
Console.ForegroundColor = currentForeColor;
Console.WriteLine
(
"{0}Time Elapsed:{0}{1}ms"
, "\t"
, watch.ElapsedMilliseconds.ToString("N0")
);
Console.WriteLine
(
"{0}CPU Cycles:{0}{1}"
, "\t"
, cpuCycles.ToString("N0")
);
// 5.
for (int i = 0; i <= GC.MaxGeneration; i++)
{
int count = GC.CollectionCount(i) - gcCounts[i];
Console.WriteLine
(
"{0}Gen{1}:{0}{0}{2}"
, "\t"
, i
, count
);
}
Console.WriteLine();
}
public async Task BenchWithConstraints(int cx)
{
var collects = Enumerable.Range(0, 3).Select(i => GC.CollectionCount(i)).ToArray();
long nb = 0;
store = await StoreBuilder.New().CreateAsync();
schema = await store.Schemas.New <TestDomainDefinition>().CreateAsync();
var domain = await store.DomainModels
.New()
.UsingIdGenerator(services => new Hyperstore.Modeling.Domain.LongIdGenerator())
.CreateAsync("Test");
var sw = new Stopwatch();
var mx = 10000;
Console.WriteLine("Benchmark manipulating {0} elements...", mx);
// Adding 100 constraints on each element
var nbc = 100;
if (cx % 2 == 1)
{
Console.WriteLine("Adding 100 implicit constraints on each element.");
for (int i = 0; i < nbc; i++)
{
schema.Definition.XExtendsBaseClass.AddImplicitConstraint(self =>
System.Threading.Interlocked.Increment(ref nb) > 0,
"OK").Register();
}
}
Console.WriteLine("Running...");
sw.Start();
AddElement(domain, mx);
Console.WriteLine("Added in {0}ms ", sw.ElapsedMilliseconds);
sw.Restart();
UpdateElement(mx);
Console.WriteLine("Updated in {0}ms ", sw.ElapsedMilliseconds);
sw.Restart();
ReadElement(mx);
Console.WriteLine("Read in {0}ms ", sw.ElapsedMilliseconds);
sw.Restart();
RemoveElement(mx);
Console.WriteLine("Removed in {0}ms ", sw.ElapsedMilliseconds);
sw.Restart();
sw.Stop();
Console.WriteLine("Expected {0} Value {1}", mx * nbc * 2, nb);
domain = null;
store.Dispose();
ids.Clear();
for (int i = 0; i < 3; i++)
{
Console.WriteLine("GC collection {0} : {1}", i, GC.CollectionCount(i) - collects[i]);
}
//Console.WriteLine();
GC.Collect();
GC.WaitForPendingFinalizers();
//Assert.AreEqual(mx * nbc * 2, nb); // Nbre de fois la contrainte est appelée (sur le add et le update)
//Assert.IsTrue(sw.ElapsedMilliseconds < 3000, String.Format("ElapsedTime = {0}", sw.ElapsedMilliseconds));
}
// This value can be computed separately and hard-coded into the application.
// The method is included to illustrate the technique.
private static int EstimateMemoryUsageInMB()
{
int memUsageInMB = 0;
long memBefore = GC.GetTotalMemory(true);
int numGen0Collections = GC.CollectionCount(0);
// Execute a test version of the method to estimate memory requirements.
// This test method only exists to determine the memory requirements.
ThreadMethod();
// Includes garbage generated by the worker function.
long memAfter = GC.GetTotalMemory(false);
// If a garbage collection occurs during the measuring, you might need a greater memory requirement.
Console.WriteLine("Did a GC occur while measuring? {0}", numGen0Collections == GC.CollectionCount(0));
// Set the field used as the parameter for the MemoryFailPoint constructor.
long memUsage = (memAfter - memBefore);
if (memUsage < 0)
{
Console.WriteLine("GC's occurred while measuring memory usage. Try measuring again.");
memUsage = 1 << 20;
}
// Round up to the nearest MB.
memUsageInMB = (int)(1 + (memUsage >> 20));
Console.WriteLine("Memory usage estimate: {0} bytes, rounded to {1} MB", memUsage, memUsageInMB);
return(memUsageInMB);
}
public static int Main(string[] args)
{
if (GCSettings.IsServerGC == true)
{
Console.WriteLine("we are using server GC");
}
int iter_num = 500000;
if (args.Length >= 1)
{
iter_num = int.Parse(args[0]);
Console.WriteLine("iterating {0} times", iter_num);
}
// For now just do everything on the main thread.
//int threadCount = 8;
// int threadCount = 1;
// if (args.Length >= 2)
// {
// threadCount = int.Parse(args[1]);
// Console.WriteLine ("creating {0} threads", threadCount);
// }
long tStart, tEnd;
tStart = Environment.TickCount;
// MyThread t;
// ThreadStart ts;
// Thread[] threads = new Thread[threadCount];
//
// for (int i = 0; i < threadCount; i++)
// {
// t = new MyThread(i, iter_num, old, med);
// ts = new ThreadStart(t.TimeTest);
// threads[i] = new Thread( ts );
// threads[i].Start();
// }
//
// for (int i = 0; i < threadCount; i++)
// {
// threads[i].Join();
// }
//
Console.WriteLine("start with {0} gen1 GCs", s_iLastGen1Count);
s_iLastGen0Count = GC.CollectionCount(0);
s_iLastGen1Count = GC.CollectionCount(1);
for (int iter = 0; iter < 1; iter++)
{
MemoryAlloc[] maArr = new MemoryAlloc[16];
Rand rand = new Rand();
for (int i = 0; i < maArr.Length; i++)
{
maArr[i] = new MemoryAlloc(rand.getRand(500), rand, i);
maArr[i].AllocTest();
//Console.WriteLine("{0} allocated", i);
InducedGen2();
for (int iAllocated = 0; iAllocated < i; iAllocated++)
{
//Console.WriteLine("creating fragmentation in obj {0}", iAllocated);
maArr[iAllocated].CreateFragmentation();
InducedGen2();
}
}
for (int i = 0; i < maArr.Length; i++)
{
InducedGen2();
Console.WriteLine("steady state for " + i);
maArr[i].SteadyState();
Console.WriteLine("DONE: steady state for " + i);
}
}
tEnd = Environment.TickCount;
Console.WriteLine("Test completed; " + (tEnd - tStart) + "ms");
// Console.WriteLine("Press any key to exit.");
// Console.ReadLine();
return(100);
}
public OperationTimer(string txt)
{
m_collectionCount = GC.CollectionCount(0);
}
private GcNotification(Func <object, bool> callback, object state)
{
_callback = callback;
_state = state;
_initialCollectionCount = GC.CollectionCount(2);
}
private static void ConcurrentQueueBench(Action <string> log, int concurrency)
{
log($"{nameof(ConcurrentQueueBench)} starting with {concurrency} threads...");
var queue = new ConcurrentQueue <string>();
var sw = new Stopwatch();
int gen0 = GC.CollectionCount(0), gen1 = GC.CollectionCount(1), gen2 = GC.CollectionCount(2);
var count = 0;
var stop = false;
var threads = Enumerable.Range(0, concurrency).Select(n => new Thread(() =>
{
if ((n & 0x01) == 0)
{
var rand = new Random();
while (!stop)
{
queue.Enqueue(rand.Next().ToString());
}
}
else
{
while (!stop)
{
if (queue.TryDequeue(out var s))
{
Interlocked.Increment(ref count);
}
}
}
})).ToArray();
Parallel.ForEach(threads, t => t.Start());
log($" warming up for 10 seconds");
Thread.Sleep(10_000);
sw.Start();
Interlocked.Exchange(ref count, 0);
log($" Measuring for 10 seconds");
Thread.Sleep(10_000);
sw.Stop();
stop = true;
Parallel.ForEach(threads, t => t.Join());
var rate = count / sw.Elapsed.TotalSeconds;
log($"{nameof(ConcurrentQueueBench)} {count} enqueue/dequeue in {sw.Elapsed}. QPS={rate:G3}");
log($" Gen0={GC.CollectionCount(0) - gen0} Gen1={GC.CollectionCount(1) - gen1} Gen2={GC.CollectionCount(2) - gen2}\n");
}
public static void CollectionCount_NegativeGeneration_ThrowsArgumentOutOfRangeException()
{
AssertExtensions.Throws <ArgumentOutOfRangeException>("generation", () => GC.CollectionCount(-1)); // Generation < 0
}
private static void StackBench(Action <string> log)
{
var stack = new Stack <string>();
var sw = new Stopwatch();
int gen0 = GC.CollectionCount(0), gen1 = GC.CollectionCount(1), gen2 = GC.CollectionCount(2);
var totalCount = 20_000_000;
sw.Start();
for (int i = 0; i < totalCount; i++)
{
stack.Push(i.ToString());
}
while (stack.TryPop(out var s))
{
}
sw.Stop();
var rate = totalCount / sw.Elapsed.TotalSeconds;
log($"{nameof(StackBench)} {totalCount} Push/Pop in {sw.Elapsed}. QPS={rate:G3}");
log($" Gen0={GC.CollectionCount(0) - gen0} Gen1={GC.CollectionCount(1) - gen1} Gen2={GC.CollectionCount(2) - gen2}\n");
}
private static void StartInteractiveConsoleThread()
{
// Run the interaction on a separate thread as we don't have Console.KeyAvailable on .NET Core so can't
// do a pre-emptive check before we call Console.ReadKey (which blocks, hard)
var started = new ManualResetEvent(false);
var interactiveThread = new Thread(() =>
{
Console.WriteLine("Press 'C' to force GC or any other key to display GC stats");
Console.WriteLine();
started.Set();
while (true)
{
var key = Console.ReadKey(intercept: true);
if (key.Key == ConsoleKey.C)
{
Console.WriteLine();
Console.Write("Forcing GC...");
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Console.WriteLine(" done!");
}
else
{
Console.WriteLine();
Console.WriteLine($"Allocated: {GetAllocatedMemory()}");
Console.WriteLine($"Gen 0: {GC.CollectionCount(0)}, Gen 1: {GC.CollectionCount(1)}, Gen 2: {GC.CollectionCount(2)}");
}
}
})
{
IsBackground = true
};
interactiveThread.Start();
started.WaitOne();
}
private static void DictionaryBench(Action <string> log)
{
var dict = new Dictionary <long, string>();
var sw = new Stopwatch();
int gen0 = GC.CollectionCount(0), gen1 = GC.CollectionCount(1), gen2 = GC.CollectionCount(2);
var totalCount = 20_000_000;
sw.Start();
for (int i = 0; i < totalCount; i++)
{
dict.Add(i, i.ToString());
}
foreach (var kvp in dict)
{
if (kvp.Key.ToString() != kvp.Value)
{
throw new Exception();
}
}
for (int i = 0; i < totalCount; i++)
{
dict.Remove(i);
}
sw.Stop();
var rate = totalCount / sw.Elapsed.TotalSeconds;
log($"{nameof(DictionaryBench)} {totalCount}Add/Query/Remove in {sw.Elapsed}. QPS={rate:G3}");
log($" Gen0={GC.CollectionCount(0) - gen0} Gen1={GC.CollectionCount(1) - gen1} Gen2={GC.CollectionCount(2) - gen2}\n");
}
static void Main(string[] args)
{
if ((args.Length > 0) && (args.Length < 2))
{
Console.WriteLine("Usage: Allocation.exe <maxbytes> <byteArraySize> ");
return;
}
string processor = Environment.GetEnvironmentVariable("PROCESSOR_ARCHITECTURE");
Console.WriteLine("Running on {0}", processor);
UInt64 MaxBytes = 1500000000;
if (processor.ToLower() == "amd64")
{
MaxBytes = 5000000000;
}
int byteArraySize = 95000;
if (args.Length >= 2)
{
if (!UInt64.TryParse(args[0], out MaxBytes))
{
Console.WriteLine("Usage: Allocation.exe <maxbytes> <byteArraySize> ");
return;
}
if (!Int32.TryParse(args[1], out byteArraySize))
{
Console.WriteLine("Usage: Allocation.exe <maxbytes> <byteArraySize> ");
return;
}
}
//check if running on server GC:
if (!System.Runtime.GCSettings.IsServerGC)
{
Console.WriteLine("GCSettings is not server GC!");
return;
}
//Allocate memory
UInt64 objCount = MaxBytes / (UInt64)byteArraySize;
Console.WriteLine("Creating a list of {0} objects", objCount);
if (objCount > 0X7FEFFFFF)
{
Console.WriteLine("Exceeded the max number of objects in a list");
Console.WriteLine("Creating a list with {0} objects", 0X7FEFFFFF);
objCount = 0X7FEFFFFF;
}
Console.WriteLine("Byte array size is " + byteArraySize);
Object[] objList = new Object[objCount];
long timerStart = Environment.TickCount;
int count = (int)objCount;
for (int i = 0; i < count; i++)
{
objList[i] = new byte[byteArraySize];
}
long timerEnd = Environment.TickCount;
long allocTime = timerEnd - timerStart;
Console.WriteLine("Allocation time= {0} ms", allocTime);
Console.WriteLine("GC count: ");
Console.WriteLine("gen0: " + GC.CollectionCount(0));
Console.WriteLine("gen1: " + GC.CollectionCount(1));
Console.WriteLine("gen2: " + GC.CollectionCount(2));
}
private static void ConcurrentDictionaryBench(Action <string> log, int concurrency)
{
var dict = new ConcurrentDictionary <int, string>();
var sw = new Stopwatch();
int gen0 = GC.CollectionCount(0), gen1 = GC.CollectionCount(1), gen2 = GC.CollectionCount(2);
var totalCount = 20_000_000 / concurrency;
sw.Start();
var threads = Enumerable.Range(0, concurrency).Select(n => new Thread(() =>
{
var begin = totalCount * n;
var end = begin + totalCount;
for (int i = begin; i < end; i++)
{
dict.TryAdd(i, i.ToString());
}
foreach (var kvp in dict)
{
if (kvp.Key.ToString() != kvp.Value)
{
throw new Exception();
}
}
for (int i = begin; i < end; i++)
{
dict.Remove(i, out var s);
}
})).ToArray();
Parallel.ForEach(threads, t => t.Start());
Parallel.ForEach(threads, t => t.Join());
sw.Stop();
var rate = totalCount / sw.Elapsed.TotalSeconds;
log($"{nameof(ConcurrentDictionaryBench)} {totalCount}Add/Query/Remove in {sw.Elapsed}. QPS={rate:G3}");
log($" Gen0={GC.CollectionCount(0) - gen0} Gen1={GC.CollectionCount(1) - gen1} Gen2={GC.CollectionCount(2) - gen2}\n");
}
