public void ComputeActualConcurrency()
{
List <PipSpan> spans = new List <PipSpan>();
LongestRunningPips = GetSortedPips(20, true, n => true, n => Durations[n]);
ShortestRunningProcesses = GetSortedPips(20, false, n => PipTypes[n] == PipType.Process, n => Durations[n]);
foreach (var node in DataflowGraph.Nodes)
{
Interlocked.Increment(ref PipTypeCounts[(int)PipTypes[node]]);
var startTime = StartTimes[node];
if (PipTypes[node] == PipType.Process)
{
spans.Add(new PipSpan()
{
Id = node,
StartTime = startTime - MinStartTime,
Duration = Durations[node]
});
}
}
spans.Sort(new ComparerBuilder <PipSpan>().CompareByAfter(s => s.StartTime).CompareByAfter(s => s.Duration));
Spans = spans;
ConcurrentDenseIndex <int> concurrencyIndex = new ConcurrentDenseIndex <int>(false);
ConcurrentDenseIndex <int> concurrencyCount = new ConcurrentDenseIndex <int>(false);
for (int i = 0; i < spans.Count; i++)
{
PipSpan s = spans[i];
ulong endTime = s.EndTime;
for (int j = i; j < spans.Count; j++)
{
PipSpan t = spans[j];
if (t.StartTime <= s.EndTime)
{
int value = concurrencyIndex[(uint)j] + 1;
concurrencyIndex[(uint)j] = value;
Max(ref ActualConcurrency, value);
}
else
{
break;
}
}
var c = concurrencyIndex[(uint)i];
concurrencyCount[(uint)c] = concurrencyCount[(uint)c] + 1;
}
}
public void AddExecution(NodeId pip, ulong minimumStartTime, ulong duration, SimulationResult result, SortedSet <PipAndPriority> pips)
{
var execution = new PipSpan()
{
Id = pip,
StartTime = Math.Max(EndTime, minimumStartTime),
Duration = duration,
Thread = Id,
};
Executions.Add(execution);
EndTime = execution.StartTime + duration;
ActiveTime += duration;
result.EndTimes[pip] = EndTime;
result.CompletePip(execution.StartTime, pip, pips);
}
private static void CreateSpanImage(string path, List <PipSpan> spans, ulong totalTime, int threadCount)
{
Bitmap bitmap = new Bitmap(1200, 800);
Graphics graphics = Graphics.FromImage(bitmap);
int width = 1000;
int height = 600;
graphics.FillRectangle(Brushes.Gray, 100, 100, width, height);
Pen pen = new Pen(Brushes.Green, 1);
int bottomY = 700;
ulong currentTime = 0;
ulong timeInterval = totalTime / (ulong)width;
ConcurrentDenseIndex <double> timeSliceConcurrencies = new ConcurrentDenseIndex <double>(false);
ConcurrentDenseIndex <int> minConcurrencies = new ConcurrentDenseIndex <int>(false);
ConcurrentDenseIndex <int> maxConcurrencies = new ConcurrentDenseIndex <int>(false);
ConcurrentDenseIndex <int> concurrencyIndex = new ConcurrentDenseIndex <int>(false);
for (int i = 0; i < spans.Count; i++)
{
PipSpan s = spans[i];
uint firstTimeSlice = (uint)(s.StartTime / timeInterval);
uint lastTimeSlice = (uint)(s.EndTime / timeInterval);
((uint)width).Min(ref lastTimeSlice);
uint firstFullTimeSlice = firstTimeSlice + 1;
uint lastFullTimeSlice = lastTimeSlice - 1;
for (uint sliceIndex = firstTimeSlice; sliceIndex <= lastTimeSlice; sliceIndex++)
{
ulong sliceStart = sliceIndex * timeInterval;
ulong sliceEnd = sliceStart + timeInterval;
s.StartTime.Max(ref sliceStart);
s.EndTime.Min(ref sliceEnd);
double concurrency = ((double)(sliceEnd - sliceStart)) / (double)timeInterval;
timeSliceConcurrencies[sliceIndex] = timeSliceConcurrencies[sliceIndex] + concurrency;
}
}
int lastConcurrency = 0;
for (int i = 0; i < width; i++)
{
int x = 100 + i;
Point bottom = new Point(x, bottomY);
int concurrency = (int)lastConcurrency;
int concurrencyHeight = (int)(timeSliceConcurrencies[(uint)i] * height / threadCount);
var top = bottom;
top.Offset(0, -concurrencyHeight);
graphics.DrawLine(pen, top, bottom);
currentTime += timeInterval;
}
bitmap.Save(path, ImageFormat.Png);
}