public RunResults Run()
{
if (Strategy.NeedsJitting() != isJitted)
{
throw new Exception($"You must{(Strategy.NeedsJitting() ? "" : " not")} call Jitting() first (Strategy = {Strategy})!");
}
if (!isPreAllocated)
{
throw new Exception("You must call PreAllocate() first!");
}
long invokeCount = InvocationCount;
IReadOnlyList <Measurement> idle = null;
if (Strategy != RunStrategy.ColdStart)
{
if (Strategy != RunStrategy.Monitoring)
{
invokeCount = pilotStage.Run();
if (EvaluateOverhead)
{
warmupStage.RunIdle(invokeCount, UnrollFactor);
idle = targetStage.RunIdle(invokeCount, UnrollFactor);
}
}
warmupStage.RunMain(invokeCount, UnrollFactor, forceSpecific: Strategy == RunStrategy.Monitoring);
}
// we enable monitoring after pilot & warmup, just to ignore the memory allocated by these runs
EnableMonitoring();
if (IsDiagnoserAttached)
{
Host.BeforeMainRun();
}
forcedFullGarbageCollections = 0; // zero it in case the Engine instance is reused (InProcessToolchain)
var initialGcStats = GcStats.ReadInitial(IsDiagnoserAttached);
var main = targetStage.RunMain(invokeCount, UnrollFactor, forceSpecific: Strategy == RunStrategy.Monitoring);
var finalGcStats = GcStats.ReadFinal(IsDiagnoserAttached);
var forcedCollections = GcStats.FromForced(forcedFullGarbageCollections);
var workGcHasDone = finalGcStats - forcedCollections - initialGcStats;
bool removeOutliers = TargetJob.ResolveValue(AccuracyMode.RemoveOutliersCharacteristic, Resolver);
return(new RunResults(idle, main, removeOutliers, workGcHasDone));
}
private GcStats MeasureGcStats(IterationData data)
{
// we enable monitoring after main target run, for this single iteration which is executed at the end
// so even if we enable AppDomain monitoring in separate process
// it does not matter, because we have already obtained the results!
EnableMonitoring();
IterationSetupAction(); // we run iteration setup first, so even if it allocates, it is not included in the results
var initialGcStats = GcStats.ReadInitial();
MainAction(data.InvokeCount / data.UnrollFactor);
var finalGcStats = GcStats.ReadFinal();
IterationCleanupAction(); // we run iteration cleanup after collecting GC stats
return((finalGcStats - initialGcStats).WithTotalOperations(data.InvokeCount * OperationsPerInvoke));
}
public RunResults Run()
{
if (!isJitted || !isPreAllocated)
{
throw new Exception("You must call PreAllocate() and Jitting() first!");
}
long invokeCount = InvocationCount;
IReadOnlyList <Measurement> idle = null;
if (Strategy != RunStrategy.ColdStart)
{
invokeCount = pilotStage.Run();
if (EvaluateOverhead)
{
warmupStage.RunIdle(invokeCount, UnrollFactor);
idle = targetStage.RunIdle(invokeCount, UnrollFactor);
}
warmupStage.RunMain(invokeCount, UnrollFactor);
}
// we enable monitoring after pilot & warmup, just to ignore the memory allocated by these runs
EnableMonitoring();
var initialGcStats = GcStats.ReadInitial(IsDiagnoserAttached);
var main = targetStage.RunMain(invokeCount, UnrollFactor);
var finalGcStats = GcStats.ReadFinal(IsDiagnoserAttached);
var forcedCollections = GcStats.FromForced(forcedFullGarbageCollections);
var workGcHasDone = finalGcStats - forcedCollections - initialGcStats;
bool removeOutliers = TargetJob.ResolveValue(AccuracyMode.RemoveOutliersCharacteristic, Resolver);
return(new RunResults(idle, main, removeOutliers, workGcHasDone));
}