Tpetra: Making applyTranspose replicated logic consistent with applyN…

…onTranspose (removing a fence in the process)
trilinos · Sep 13, 2023 · f1ae552 · f1ae552
1 parent 58ad750
commit f1ae552
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/tpetra/core/src/Tpetra_CrsMatrix_def.hpp b/packages/tpetra/core/src/Tpetra_CrsMatrix_def.hpp
@@ -4909,7 +4909,7 @@ CrsMatrix<Scalar, LocalOrdinal, GlobalOrdinal, Node>::
     RCP<const MV> X;
 
     // some parameters for below
-    const bool Y_is_replicated = ! Y_in.isDistributed ();
+    const bool Y_is_replicated = (! Y_in.isDistributed () && this->getComm ()->getSize () != 1);
     const bool Y_is_overwritten = (beta == ZERO);
     if (Y_is_replicated && this->getComm ()->getRank () > 0) {
       beta = ZERO;