From 069199fe734285b0ce123b06001be73b52299038 Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <martin.kronbichler@rub.de>
Date: Fri, 8 Nov 2024 12:57:06 +0100
Subject: [PATCH] Fix initialization of partitioners in two performance tests

---
 tests/performance/timing_step_37.cc    | 8 +++-----
 tests/performance/timing_step_37_gc.cc | 8 +++-----
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/tests/performance/timing_step_37.cc b/tests/performance/timing_step_37.cc
index 40fd9ec226..445fdd96a6 100644
--- a/tests/performance/timing_step_37.cc
+++ b/tests/performance/timing_step_37.cc
@@ -501,11 +501,9 @@ LaplaceProblem<dim>::setup_transfer()
   std::vector<std::shared_ptr<const Utilities::MPI::Partitioner>> partitioners(
     dof_handler.get_triangulation().n_global_levels());
   for (unsigned int level = 0; level < partitioners.size(); ++level)
-    {
-      LinearAlgebra::distributed::Vector<float> vec;
-      mg_matrices[level].initialize_dof_vector(vec);
-      partitioners[level] = vec.get_partitioner();
-    }
+    partitioners[level] =
+      mg_matrices[level].get_matrix_free()->get_dof_info().vector_partitioner;
+
   mg_transfer.build(dof_handler, partitioners);
 }
 
diff --git a/tests/performance/timing_step_37_gc.cc b/tests/performance/timing_step_37_gc.cc
index 0e1ae33351..b160ee96ef 100644
--- a/tests/performance/timing_step_37_gc.cc
+++ b/tests/performance/timing_step_37_gc.cc
@@ -501,11 +501,9 @@ LaplaceProblem<dim>::setup_transfer()
   std::vector<std::shared_ptr<const Utilities::MPI::Partitioner>> partitioners(
     dof_handler.get_triangulation().n_global_levels());
   for (unsigned int level = 0; level < partitioners.size(); ++level)
-    {
-      LinearAlgebra::distributed::Vector<float> vec;
-      mg_matrices[level].initialize_dof_vector(vec);
-      partitioners[level] = vec.get_partitioner();
-    }
+    partitioners[level] =
+      mg_matrices[level].get_matrix_free()->get_dof_info().vector_partitioner;
+
   mg_transfer.build(dof_handler, partitioners);
 }
 
-- 
2.39.5