extra sync

f3sch · f3sch · commit 378cc245041c · 2026-05-03T09:49:00.000+02:00
Signed-off-by: Felix Schlepper &lt;felix.schlepper@cern.ch&gt;
diff --git a/Detectors/ITSMFT/ITS/tracking/GPU/cuda/TrackerTraitsGPU.cxx b/Detectors/ITSMFT/ITS/tracking/GPU/cuda/TrackerTraitsGPU.cxx
@@ -387,6 +387,8 @@ void TrackerTraitsGPU<NLayers>::findRoads(const int iteration)
     auto& tracks = mTimeFrameGPU->getTrackITSExt();
     this->acceptTracks(iteration, tracks, firstClusters, sharedFirstClusters);
     mTimeFrameGPU->loadUsedClustersDevice();
+    // The next road-building level reads the updated used-cluster mask on the default stream.
+    mTimeFrameGPU->syncStreams(false);
   }
   this->markTracks(iteration, sharedFirstClusters);
   // wipe the artefact memory

Original file line number	Diff line number	Diff line change
`@@ -387,6 +387,8 @@ void TrackerTraitsGPU<NLayers>::findRoads(const int iteration)`
`387`	`387`	`auto& tracks = mTimeFrameGPU->getTrackITSExt();`
`388`	`388`	`this->acceptTracks(iteration, tracks, firstClusters, sharedFirstClusters);`
`389`	`389`	`mTimeFrameGPU->loadUsedClustersDevice();`
	`390`	`+ // The next road-building level reads the updated used-cluster mask on the default stream.`
	`391`	`+ mTimeFrameGPU->syncStreams(false);`
`390`	`392`	`}`
`391`	`393`	`this->markTracks(iteration, sharedFirstClusters);`
`392`	`394`	`// wipe the artefact memory`