fix2

f3sch · f3sch · commit 2e0adcaf09a5 · 2026-05-01T15:03:45.000+02:00
Signed-off-by: Felix Schlepper &lt;felix.schlepper@cern.ch&gt;
diff --git a/Detectors/ITSMFT/ITS/tracking/GPU/cuda/TrackingKernels.cu b/Detectors/ITSMFT/ITS/tracking/GPU/cuda/TrackingKernels.cu
@@ -197,7 +197,7 @@ GPUg() void __launch_bounds__(256, 1) computeLayerCellNeighboursKernel(
       }
 
       if constexpr (initRun) {
-        atomicAdd(neighboursCursor + iNextCell + 1, 1);
+        atomicAdd(neighboursCursor + iNextCell, 1);
       } else {
         const int offset = atomicAdd(neighboursCursor + iNextCell, 1);
         cellNeighbours[offset] = {sourceCellTopologyId, iCurrentCellIndex, targetCellTopologyId, iNextCell, currentCellSeed.getLevel() + 1};

Original file line number	Diff line number	Diff line change
`@@ -197,7 +197,7 @@ GPUg() void __launch_bounds__(256, 1) computeLayerCellNeighboursKernel(`
`197`	`197`	`}`
`198`	`198`
`199`	`199`	`if constexpr (initRun) {`
`200`		`- atomicAdd(neighboursCursor + iNextCell + 1, 1);`
	`200`	`+ atomicAdd(neighboursCursor + iNextCell, 1);`
`201`	`201`	`} else {`
`202`	`202`	`const int offset = atomicAdd(neighboursCursor + iNextCell, 1);`
`203`	`203`	`cellNeighbours[offset] = {sourceCellTopologyId, iCurrentCellIndex, targetCellTopologyId, iNextCell, currentCellSeed.getLevel() + 1};`