fix: Missing thread sync in CUDA connected components (#4080)

acts-project · Feb 11, 2025 · 287bf22 · 287bf22
1 parent e46a352
commit 287bf22
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Plugins/ExaTrkX/include/Acts/Plugins/ExaTrkX/detail/ConnectedComponents.cuh b/Plugins/ExaTrkX/include/Acts/Plugins/ExaTrkX/detail/ConnectedComponents.cuh
@@ -38,6 +38,7 @@ __global__ void labelConnectedComponents(std::size_t numEdges,
     labelsNext[i] = i;
   }
 
+  __syncthreads();
   bool changed = false;
 
   do {