warn if MT execution requested, but got sequential

legend-exp · Aug 11, 2024 · 47a5cf3 · 47a5cf3
1 parent ab47ad8
commit 47a5cf3
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/src/RMGManager.cc b/src/RMGManager.cc
@@ -83,8 +83,14 @@ void RMGManager::Initialize() {
       if (fNThreads <= 0) fNThreads = G4Threading::G4GetNumberOfCores();
       else fNThreads = std::min(fNThreads, G4Threading::G4GetNumberOfCores());
       fG4RunManager->SetNumberOfThreads(fNThreads);
-      RMGLog::OutFormat(RMGLog::detail, "Execution is multi-threaded ({} threads are used)",
-          fNThreads);
+      if (!IsExecSequential())
+        RMGLog::OutFormat(RMGLog::detail, "Execution is multi-threaded ({} threads are used)",
+            fNThreads);
+      else {
+        RMGLog::OutFormat(RMGLog::warning,
+            "multi-threaded execution with {} threads requested, but executing sequentially",
+            fNThreads);
+      }
     }
   }