ITS: Tracker early exit if no vertex + disallow trklt > dROF

Signed-off-by: Felix Schlepper <felix.schlepper@cern.ch>

Author: f3sch

Detectors/ITSMFT/ITS/tracking/src/TimeFrame.cxx

@@ -362,7 +362,7 @@ void TimeFrame<nLayers>::initialise(const int iteration, const TrackingParameter
     if (iLayer < (int)mCells.size()) {
       deepVectorClear(mCells[iLayer]);
       deepVectorClear(mTrackletsLookupTable[iLayer]);
-      mTrackletsLookupTable[iLayer].resize(mClusters[iLayer + 1].size(), 0);
+      mTrackletsLookupTable[iLayer].resize(mClusters[iLayer + 1].size() + 1, 0);
       deepVectorClear(mCellLabels[iLayer]);
     }
 
@@ -653,8 +653,8 @@ void TimeFrame<nLayers>::wipe()
   deepVectorClear(mCellsLookupTable);
   deepVectorClear(mTotVertPerIteration);
   deepVectorClear(mPrimaryVertices);
-  deepVectorClear(mROFramesPV);
   deepVectorClear(mClusters);
+  deepVectorClear(mTrackletsLookupTable);
   deepVectorClear(mTrackingFrameInfo);
   deepVectorClear(mClusterExternalIndices);
   deepVectorClear(mROFramesClusters);

Detectors/ITSMFT/ITS/tracking/src/Tracker.cxx

@@ -52,7 +52,9 @@ void Tracker::clustersToTracks(const LogFunc& logger, const LogFunc& error)
   int maxNvertices{-1};
   if (mTrkParams[0].PerPrimaryVertexProcessing) {
     for (int iROF{0}; iROF < mTimeFrame->getNrof(); ++iROF) {
-      maxNvertices = std::max(maxNvertices, (int)mTimeFrame->getPrimaryVertices(iROF).size());
+      int minRof = o2::gpu::CAMath::Max(0, iROF - mTrkParams[0].DeltaROF);
+      int maxRof = o2::gpu::CAMath::Min(mTimeFrame->getNrof(), iROF + mTrkParams[0].DeltaROF);
+      maxNvertices = std::max(maxNvertices, (int)mTimeFrame->getPrimaryVertices(minRof, maxRof).size());
     }
   }