From 571a61bcbce8b33a364ccde69d711a8ba62a77c9 Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Sun, 5 Mar 2017 16:00:15 +0100
Subject: [PATCH] Fix multigrid mpi tests by better output

---
 tests/multigrid/mg_coarse_01.cc               |  46 +++---
 ...st=true.with_trilinos=true.mpirun=1.output | 139 +++++++++---------
 ...st=true.with_trilinos=true.mpirun=3.output | 139 +++++++++---------
 tests/multigrid/step-50_01.cc                 |  37 ++---
 ...st=true.with_trilinos=true.mpirun=1.output |  79 +++++-----
 ...st=true.with_trilinos=true.mpirun=5.output |  79 +++++-----
 ...st=true.with_trilinos=true.mpirun=8.output |  79 +++++-----
 7 files changed, 300 insertions(+), 298 deletions(-)

diff --git a/tests/multigrid/mg_coarse_01.cc b/tests/multigrid/mg_coarse_01.cc
index 5f65bac14c..ed557e61bf 100644
--- a/tests/multigrid/mg_coarse_01.cc
+++ b/tests/multigrid/mg_coarse_01.cc
@@ -100,8 +100,6 @@ namespace Step50
     void refine_grid ();
     void output_results (const unsigned int cycle) const;
 
-    ConditionalOStream                        pcout;
-
     parallel::distributed::Triangulation<dim>   triangulation;
     FE_Q<dim>            fe;
     DoFHandler<dim>    mg_dof_handler;
@@ -181,9 +179,6 @@ namespace Step50
   template <int dim>
   LaplaceProblem<dim>::LaplaceProblem (const unsigned int degree)
     :
-    pcout (std::cout,
-           (Utilities::MPI::this_mpi_process(MPI_COMM_WORLD)
-            == 0)),
     triangulation (MPI_COMM_WORLD,Triangulation<dim>::
                    limit_level_difference_at_vertices,
                    parallel::distributed::Triangulation<dim>::construct_multigrid_hierarchy),
@@ -481,7 +476,7 @@ namespace Step50
         preconditioner.vmult(check2, tmp);
         check3.sadd(0.75, 0.25, check2);
         double residual = system_matrix.residual(tmp, check3, system_rhs);
-        pcout << "check residual:" << residual << std::endl;
+        deallog << "check residual: " << residual << std::endl;
       }
   }
 
@@ -496,7 +491,7 @@ namespace Step50
     SolverCG<vector_t> coarse_solver(coarse_solver_control);
 
     {
-      pcout << "CG(ID):" << std::endl;
+      deallog << "CG(ID):" << std::endl;
 
       PreconditionIdentity id;
 
@@ -508,11 +503,11 @@ namespace Step50
                                       id);
 
       vcycle(coarse_grid_solver);
-      pcout << "coarse iterations: " << coarse_solver_control.last_step() << std::endl;
+      deallog << "coarse iterations: " << coarse_solver_control.last_step() << std::endl;
     }
 
     {
-      pcout << "CG(ILU):" << std::endl;
+      deallog << "CG(ILU):" << std::endl;
 
       LA::MPI::PreconditionILU prec;
       prec.initialize(coarse_matrix);
@@ -525,11 +520,11 @@ namespace Step50
                                       prec);
 
       vcycle(coarse_grid_solver);
-      pcout << "coarse iterations: " << coarse_solver_control.last_step() << std::endl;
+      deallog << "coarse iterations: " << coarse_solver_control.last_step() << std::endl;
     }
 
     {
-      pcout << "CG(AMG):" << std::endl;
+      deallog << "CG(AMG):" << std::endl;
 
       LA::MPI::PreconditionAMG prec;
       prec.initialize(coarse_matrix);
@@ -542,11 +537,11 @@ namespace Step50
                                       prec);
 
       vcycle(coarse_grid_solver);
-      pcout << "coarse iterations: " << coarse_solver_control.last_step() << std::endl;
+      deallog << "coarse iterations: " << coarse_solver_control.last_step() << std::endl;
     }
 
     {
-      pcout << "AMG:" << std::endl;
+      deallog << "AMG:" << std::endl;
       LA::MPI::PreconditionAMG::AdditionalData Amg_data;
       Amg_data.elliptic = true;
       Amg_data.higher_order_elements = true;
@@ -555,7 +550,7 @@ namespace Step50
       MGCoarseAMG<LA::MPI::Vector> coarse_grid_solver(coarse_matrix, Amg_data);
 
       vcycle(coarse_grid_solver);
-      pcout << "applications: " << coarse_grid_solver.count << std::endl;
+      deallog << "applications: " << coarse_grid_solver.count << std::endl;
     }
 
   }
@@ -596,7 +591,7 @@ namespace Step50
   {
     for (unsigned int cycle=0; cycle<3; ++cycle)
       {
-        pcout << "Cycle " << cycle << ':' << std::endl;
+        deallog << "Cycle " << cycle << ':' << std::endl;
 
         {
           unsigned int n_subdiv = 6+5*cycle;
@@ -605,20 +600,20 @@ namespace Step50
           triangulation.refine_global(1);
         }
 
-        pcout << "   Number of active cells:       "
-              << triangulation.n_global_active_cells()
-              << std::endl;
+        deallog << "   Number of active cells:       "
+                << triangulation.n_global_active_cells()
+                << std::endl;
 
         setup_system ();
 
-        pcout << "   Number of degrees of freedom: "
-              << mg_dof_handler.n_dofs()
-              << " (by level: ";
+        deallog << "   Number of degrees of freedom: "
+                << mg_dof_handler.n_dofs()
+                << " (by level: ";
         for (unsigned int level=0; level<triangulation.n_global_levels(); ++level)
-          pcout << mg_dof_handler.n_dofs(level)
-                << (level == triangulation.n_global_levels()-1
-                    ? ")" : ", ");
-        pcout << std::endl;
+          deallog << mg_dof_handler.n_dofs(level)
+                  << (level == triangulation.n_global_levels()-1
+                      ? ")" : ", ");
+        deallog << std::endl;
 
         assemble_system ();
         assemble_multigrid ();
@@ -632,6 +627,7 @@ namespace Step50
 int main (int argc, char *argv[])
 {
   dealii::Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);
+  mpi_initlog(true);
 
   try
     {
diff --git a/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output b/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output
index 62a9fb8fb0..80c6792b39 100644
--- a/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output
+++ b/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output
@@ -1,69 +1,70 @@
-Cycle 0:
-   Number of active cells:       144
-   Number of degrees of freedom: 1369 (by level: 361, 1369)
-CG(ID):
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-coarse iterations: 31
-CG(ILU):
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-coarse iterations: 19
-CG(AMG):
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-coarse iterations: 1
-AMG:
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-applications: 3
-Cycle 1:
-   Number of active cells:       484
-   Number of degrees of freedom: 4489 (by level: 1156, 4489)
-CG(ID):
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-coarse iterations: 56
-CG(ILU):
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-coarse iterations: 30
-CG(AMG):
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-coarse iterations: 1
-AMG:
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-applications: 3
-Cycle 2:
-   Number of active cells:       1024
-   Number of degrees of freedom: 9409 (by level: 2401, 9409)
-CG(ID):
-check residual:0.00872685
-check residual:0.00725329
-check residual:0.00652099
-coarse iterations: 80
-CG(ILU):
-check residual:0.00872685
-check residual:0.00725329
-check residual:0.00652099
-coarse iterations: 38
-CG(AMG):
-check residual:0.00872685
-check residual:0.00725329
-check residual:0.00652099
-coarse iterations: 22
-AMG:
-check residual:0.0114115
-check residual:0.0128114
-check residual:0.0135806
-applications: 3
+
+DEAL::Cycle 0:
+DEAL::   Number of active cells:       144
+DEAL::   Number of degrees of freedom: 1369 (by level: 361, 1369)
+DEAL::CG(ID):
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::coarse iterations: 31
+DEAL::CG(ILU):
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::coarse iterations: 19
+DEAL::CG(AMG):
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::coarse iterations: 1
+DEAL::AMG:
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::applications: 3
+DEAL::Cycle 1:
+DEAL::   Number of active cells:       484
+DEAL::   Number of degrees of freedom: 4489 (by level: 1156, 4489)
+DEAL::CG(ID):
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::coarse iterations: 56
+DEAL::CG(ILU):
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::coarse iterations: 30
+DEAL::CG(AMG):
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::coarse iterations: 1
+DEAL::AMG:
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::applications: 3
+DEAL::Cycle 2:
+DEAL::   Number of active cells:       1024
+DEAL::   Number of degrees of freedom: 9409 (by level: 2401, 9409)
+DEAL::CG(ID):
+DEAL::check residual: 0.00872685
+DEAL::check residual: 0.00725329
+DEAL::check residual: 0.00652099
+DEAL::coarse iterations: 80
+DEAL::CG(ILU):
+DEAL::check residual: 0.00872685
+DEAL::check residual: 0.00725329
+DEAL::check residual: 0.00652099
+DEAL::coarse iterations: 38
+DEAL::CG(AMG):
+DEAL::check residual: 0.00872685
+DEAL::check residual: 0.00725329
+DEAL::check residual: 0.00652099
+DEAL::coarse iterations: 22
+DEAL::AMG:
+DEAL::check residual: 0.0114120
+DEAL::check residual: 0.0128120
+DEAL::check residual: 0.0135811
+DEAL::applications: 3
diff --git a/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=3.output b/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=3.output
index 6f1356aa46..2e0aadb5ff 100644
--- a/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=3.output
+++ b/tests/multigrid/mg_coarse_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=3.output
@@ -1,69 +1,70 @@
-Cycle 0:
-   Number of active cells:       144
-   Number of degrees of freedom: 1369 (by level: 361, 1369)
-CG(ID):
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-coarse iterations: 31
-CG(ILU):
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-coarse iterations: 30
-CG(AMG):
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-coarse iterations: 1
-AMG:
-check residual:0.0231622
-check residual:0.0192417
-check residual:0.0172953
-applications: 3
-Cycle 1:
-   Number of active cells:       484
-   Number of degrees of freedom: 4489 (by level: 1156, 4489)
-CG(ID):
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-coarse iterations: 56
-CG(ILU):
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-coarse iterations: 50
-CG(AMG):
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-coarse iterations: 1
-AMG:
-check residual:0.012677
-check residual:0.0105349
-check residual:0.00947063
-applications: 3
-Cycle 2:
-   Number of active cells:       1024
-   Number of degrees of freedom: 9409 (by level: 2401, 9409)
-CG(ID):
-check residual:0.00872685
-check residual:0.00725329
-check residual:0.00652099
-coarse iterations: 80
-CG(ILU):
-check residual:0.00872685
-check residual:0.00725329
-check residual:0.00652099
-coarse iterations: 67
-CG(AMG):
-check residual:0.00872685
-check residual:0.00725329
-check residual:0.00652099
-coarse iterations: 20
-AMG:
-check residual:0.0115343
-check residual:0.0130869
-check residual:0.0139613
-applications: 3
+
+DEAL::Cycle 0:
+DEAL::   Number of active cells:       144
+DEAL::   Number of degrees of freedom: 1369 (by level: 361, 1369)
+DEAL::CG(ID):
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::coarse iterations: 31
+DEAL::CG(ILU):
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::coarse iterations: 30
+DEAL::CG(AMG):
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::coarse iterations: 1
+DEAL::AMG:
+DEAL::check residual: 0.0231622
+DEAL::check residual: 0.0192417
+DEAL::check residual: 0.0172953
+DEAL::applications: 3
+DEAL::Cycle 1:
+DEAL::   Number of active cells:       484
+DEAL::   Number of degrees of freedom: 4489 (by level: 1156, 4489)
+DEAL::CG(ID):
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::coarse iterations: 56
+DEAL::CG(ILU):
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::coarse iterations: 50
+DEAL::CG(AMG):
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::coarse iterations: 1
+DEAL::AMG:
+DEAL::check residual: 0.0126770
+DEAL::check residual: 0.0105349
+DEAL::check residual: 0.00947063
+DEAL::applications: 3
+DEAL::Cycle 2:
+DEAL::   Number of active cells:       1024
+DEAL::   Number of degrees of freedom: 9409 (by level: 2401, 9409)
+DEAL::CG(ID):
+DEAL::check residual: 0.00872685
+DEAL::check residual: 0.00725329
+DEAL::check residual: 0.00652099
+DEAL::coarse iterations: 80
+DEAL::CG(ILU):
+DEAL::check residual: 0.00872685
+DEAL::check residual: 0.00725329
+DEAL::check residual: 0.00652099
+DEAL::coarse iterations: 67
+DEAL::CG(AMG):
+DEAL::check residual: 0.00872685
+DEAL::check residual: 0.00725329
+DEAL::check residual: 0.00652099
+DEAL::coarse iterations: 20
+DEAL::AMG:
+DEAL::check residual: 0.0115344
+DEAL::check residual: 0.0130870
+DEAL::check residual: 0.0139614
+DEAL::applications: 3
diff --git a/tests/multigrid/step-50_01.cc b/tests/multigrid/step-50_01.cc
index 10a8815851..277689ce7f 100644
--- a/tests/multigrid/step-50_01.cc
+++ b/tests/multigrid/step-50_01.cc
@@ -96,8 +96,6 @@ namespace Step50
     void refine_grid ();
     void output_results (const unsigned int cycle) const;
 
-    ConditionalOStream                        pcout;
-
     parallel::distributed::Triangulation<dim>   triangulation;
     FE_Q<dim>            fe;
     DoFHandler<dim>    mg_dof_handler;
@@ -179,9 +177,6 @@ namespace Step50
   template <int dim>
   LaplaceProblem<dim>::LaplaceProblem (const unsigned int degree)
     :
-    pcout (std::cout,
-           (Utilities::MPI::this_mpi_process(MPI_COMM_WORLD)
-            == 0)),
     triangulation (MPI_COMM_WORLD,Triangulation<dim>::
                    limit_level_difference_at_vertices,
                    parallel::distributed::Triangulation<dim>::construct_multigrid_hierarchy),
@@ -407,9 +402,9 @@ namespace Step50
     for (unsigned int i=0; i<triangulation.n_global_levels(); ++i)
       {
         mg_matrices[i].compress(VectorOperation::add);
-        pcout << "mg_mat" << i << " " << mg_matrices[i].frobenius_norm() << std::endl;
+        deallog << "mg_mat" << i << " " << mg_matrices[i].frobenius_norm() << std::endl;
         mg_interface_matrices[i].compress(VectorOperation::add);
-        pcout << "mg_interface_mat" << i << " " << mg_interface_matrices[i].frobenius_norm() << std::endl;
+        deallog << "mg_interface_mat" << i << " " << mg_interface_matrices[i].frobenius_norm() << std::endl;
 
       }
   }
@@ -473,17 +468,16 @@ namespace Step50
             check3 += check2;
           }
 
-        pcout << "check3 iteration: " << check3.linfty_norm() << std::endl;
+        deallog << "check3 iteration: " << check3.linfty_norm() << std::endl;
       }
 
 
     solver.solve (system_matrix, solution, system_rhs,
                   preconditioner);
-    pcout << "   CG converged in " << solver_control.last_step() << " iterations." << std::endl;
 
     constraints.distribute (solution);
 
-    pcout << " sol: " << solution.min() << " - " << solution.max() << std::endl;
+    deallog << " sol: " << solution.min() << " - " << solution.max() << std::endl;
   }
 
   template <int dim>
@@ -522,7 +516,7 @@ namespace Step50
   {
     for (unsigned int cycle=0; cycle<2; ++cycle)
       {
-        pcout << "Cycle " << cycle << ':' << std::endl;
+        deallog << "Cycle " << cycle << ':' << std::endl;
 
         if (cycle == 0)
           {
@@ -554,20 +548,20 @@ namespace Step50
         else
           triangulation.refine_global ();
 
-        pcout << "   Number of active cells:       "
-              << triangulation.n_global_active_cells()
-              << std::endl;
+        deallog << "   Number of active cells:       "
+                << triangulation.n_global_active_cells()
+                << std::endl;
 
         setup_system ();
 
-        pcout << "   Number of degrees of freedom: "
-              << mg_dof_handler.n_dofs()
-              << " (by level: ";
+        deallog << "   Number of degrees of freedom: "
+                << mg_dof_handler.n_dofs()
+                << " (by level: ";
         for (unsigned int level=0; level<triangulation.n_global_levels(); ++level)
-          pcout << mg_dof_handler.n_dofs(level)
-                << (level == triangulation.n_global_levels()-1
-                    ? ")" : ", ");
-        pcout << std::endl;
+          deallog << mg_dof_handler.n_dofs(level)
+                  << (level == triangulation.n_global_levels()-1
+                      ? ")" : ", ");
+        deallog << std::endl;
 
         assemble_system ();
         assemble_multigrid ();
@@ -581,6 +575,7 @@ namespace Step50
 int main (int argc, char *argv[])
 {
   dealii::Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);
+  mpi_initlog(true);
 
   try
     {
diff --git a/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output b/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output
index 77494eaf70..343d7eb270 100644
--- a/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output
+++ b/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=1.output
@@ -1,38 +1,41 @@
-Cycle 0:
-   Number of active cells:       94
-   Number of degrees of freedom: 129 (by level: 4, 9, 25, 45, 57, 57)
-mg_mat0 1.33333
-mg_interface_mat0 0
-mg_mat1 4
-mg_interface_mat1 0
-mg_mat2 9.56847
-mg_interface_mat2 0
-mg_mat3 14.15
-mg_interface_mat3 1.66667
-mg_mat4 15.7198
-mg_interface_mat4 2.44949
-mg_mat5 12.4007
-mg_interface_mat5 2.86744
-check3 iteration: 2.0047e-07
-   CG converged in 8 iterations.
- sol: 0 - 0.0765196
-Cycle 1:
-   Number of active cells:       376
-   Number of degrees of freedom: 445 (by level: 4, 9, 25, 81, 153, 193, 177)
-mg_mat0 1.33333
-mg_interface_mat0 0
-mg_mat1 4
-mg_interface_mat1 0
-mg_mat2 9.56847
-mg_interface_mat2 0
-mg_mat3 20.8487
-mg_interface_mat3 0
-mg_mat4 30.1146
-mg_interface_mat4 2.60342
-mg_mat5 33.546
-mg_interface_mat5 3.74166
-mg_mat6 28.2686
-mg_interface_mat6 4.78423
-check3 iteration: 4.0548e-08
-   CG converged in 7 iterations.
- sol: 0 - 0.0743542
+
+DEAL::Cycle 0:
+DEAL::   Number of active cells:       94
+DEAL::   Number of degrees of freedom: 129 (by level: 4, 9, 25, 45, 57, 57)
+DEAL::mg_mat0 1.33333
+DEAL::mg_interface_mat0 0.00000
+DEAL::mg_mat1 4.00000
+DEAL::mg_interface_mat1 0.00000
+DEAL::mg_mat2 9.56847
+DEAL::mg_interface_mat2 0.00000
+DEAL::mg_mat3 14.1500
+DEAL::mg_interface_mat3 1.66667
+DEAL::mg_mat4 15.7198
+DEAL::mg_interface_mat4 2.44949
+DEAL::mg_mat5 12.4007
+DEAL::mg_interface_mat5 2.86744
+DEAL::check3 iteration: 2.00470e-07
+DEAL:cg::Starting value 0.141831
+DEAL:cg::Convergence step 8 value 1.02533e-10
+DEAL:: sol: 0.00000 - 0.0765196
+DEAL::Cycle 1:
+DEAL::   Number of active cells:       376
+DEAL::   Number of degrees of freedom: 445 (by level: 4, 9, 25, 81, 153, 193, 177)
+DEAL::mg_mat0 1.33333
+DEAL::mg_interface_mat0 0.00000
+DEAL::mg_mat1 4.00000
+DEAL::mg_interface_mat1 0.00000
+DEAL::mg_mat2 9.56847
+DEAL::mg_interface_mat2 0.00000
+DEAL::mg_mat3 20.8487
+DEAL::mg_interface_mat3 0.00000
+DEAL::mg_mat4 30.1146
+DEAL::mg_interface_mat4 2.60342
+DEAL::mg_mat5 33.5460
+DEAL::mg_interface_mat5 3.74166
+DEAL::mg_mat6 28.2686
+DEAL::mg_interface_mat6 4.78423
+DEAL::check3 iteration: 4.05480e-08
+DEAL:cg::Starting value 0.0832842
+DEAL:cg::Convergence step 7 value 5.24092e-10
+DEAL:: sol: 0.00000 - 0.0743542
diff --git a/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=5.output b/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=5.output
index 77494eaf70..343d7eb270 100644
--- a/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=5.output
+++ b/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=5.output
@@ -1,38 +1,41 @@
-Cycle 0:
-   Number of active cells:       94
-   Number of degrees of freedom: 129 (by level: 4, 9, 25, 45, 57, 57)
-mg_mat0 1.33333
-mg_interface_mat0 0
-mg_mat1 4
-mg_interface_mat1 0
-mg_mat2 9.56847
-mg_interface_mat2 0
-mg_mat3 14.15
-mg_interface_mat3 1.66667
-mg_mat4 15.7198
-mg_interface_mat4 2.44949
-mg_mat5 12.4007
-mg_interface_mat5 2.86744
-check3 iteration: 2.0047e-07
-   CG converged in 8 iterations.
- sol: 0 - 0.0765196
-Cycle 1:
-   Number of active cells:       376
-   Number of degrees of freedom: 445 (by level: 4, 9, 25, 81, 153, 193, 177)
-mg_mat0 1.33333
-mg_interface_mat0 0
-mg_mat1 4
-mg_interface_mat1 0
-mg_mat2 9.56847
-mg_interface_mat2 0
-mg_mat3 20.8487
-mg_interface_mat3 0
-mg_mat4 30.1146
-mg_interface_mat4 2.60342
-mg_mat5 33.546
-mg_interface_mat5 3.74166
-mg_mat6 28.2686
-mg_interface_mat6 4.78423
-check3 iteration: 4.0548e-08
-   CG converged in 7 iterations.
- sol: 0 - 0.0743542
+
+DEAL::Cycle 0:
+DEAL::   Number of active cells:       94
+DEAL::   Number of degrees of freedom: 129 (by level: 4, 9, 25, 45, 57, 57)
+DEAL::mg_mat0 1.33333
+DEAL::mg_interface_mat0 0.00000
+DEAL::mg_mat1 4.00000
+DEAL::mg_interface_mat1 0.00000
+DEAL::mg_mat2 9.56847
+DEAL::mg_interface_mat2 0.00000
+DEAL::mg_mat3 14.1500
+DEAL::mg_interface_mat3 1.66667
+DEAL::mg_mat4 15.7198
+DEAL::mg_interface_mat4 2.44949
+DEAL::mg_mat5 12.4007
+DEAL::mg_interface_mat5 2.86744
+DEAL::check3 iteration: 2.00470e-07
+DEAL:cg::Starting value 0.141831
+DEAL:cg::Convergence step 8 value 1.02533e-10
+DEAL:: sol: 0.00000 - 0.0765196
+DEAL::Cycle 1:
+DEAL::   Number of active cells:       376
+DEAL::   Number of degrees of freedom: 445 (by level: 4, 9, 25, 81, 153, 193, 177)
+DEAL::mg_mat0 1.33333
+DEAL::mg_interface_mat0 0.00000
+DEAL::mg_mat1 4.00000
+DEAL::mg_interface_mat1 0.00000
+DEAL::mg_mat2 9.56847
+DEAL::mg_interface_mat2 0.00000
+DEAL::mg_mat3 20.8487
+DEAL::mg_interface_mat3 0.00000
+DEAL::mg_mat4 30.1146
+DEAL::mg_interface_mat4 2.60342
+DEAL::mg_mat5 33.5460
+DEAL::mg_interface_mat5 3.74166
+DEAL::mg_mat6 28.2686
+DEAL::mg_interface_mat6 4.78423
+DEAL::check3 iteration: 4.05480e-08
+DEAL:cg::Starting value 0.0832842
+DEAL:cg::Convergence step 7 value 5.24092e-10
+DEAL:: sol: 0.00000 - 0.0743542
diff --git a/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=8.output b/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=8.output
index 77494eaf70..343d7eb270 100644
--- a/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=8.output
+++ b/tests/multigrid/step-50_01.with_mpi=true.with_p4est=true.with_trilinos=true.mpirun=8.output
@@ -1,38 +1,41 @@
-Cycle 0:
-   Number of active cells:       94
-   Number of degrees of freedom: 129 (by level: 4, 9, 25, 45, 57, 57)
-mg_mat0 1.33333
-mg_interface_mat0 0
-mg_mat1 4
-mg_interface_mat1 0
-mg_mat2 9.56847
-mg_interface_mat2 0
-mg_mat3 14.15
-mg_interface_mat3 1.66667
-mg_mat4 15.7198
-mg_interface_mat4 2.44949
-mg_mat5 12.4007
-mg_interface_mat5 2.86744
-check3 iteration: 2.0047e-07
-   CG converged in 8 iterations.
- sol: 0 - 0.0765196
-Cycle 1:
-   Number of active cells:       376
-   Number of degrees of freedom: 445 (by level: 4, 9, 25, 81, 153, 193, 177)
-mg_mat0 1.33333
-mg_interface_mat0 0
-mg_mat1 4
-mg_interface_mat1 0
-mg_mat2 9.56847
-mg_interface_mat2 0
-mg_mat3 20.8487
-mg_interface_mat3 0
-mg_mat4 30.1146
-mg_interface_mat4 2.60342
-mg_mat5 33.546
-mg_interface_mat5 3.74166
-mg_mat6 28.2686
-mg_interface_mat6 4.78423
-check3 iteration: 4.0548e-08
-   CG converged in 7 iterations.
- sol: 0 - 0.0743542
+
+DEAL::Cycle 0:
+DEAL::   Number of active cells:       94
+DEAL::   Number of degrees of freedom: 129 (by level: 4, 9, 25, 45, 57, 57)
+DEAL::mg_mat0 1.33333
+DEAL::mg_interface_mat0 0.00000
+DEAL::mg_mat1 4.00000
+DEAL::mg_interface_mat1 0.00000
+DEAL::mg_mat2 9.56847
+DEAL::mg_interface_mat2 0.00000
+DEAL::mg_mat3 14.1500
+DEAL::mg_interface_mat3 1.66667
+DEAL::mg_mat4 15.7198
+DEAL::mg_interface_mat4 2.44949
+DEAL::mg_mat5 12.4007
+DEAL::mg_interface_mat5 2.86744
+DEAL::check3 iteration: 2.00470e-07
+DEAL:cg::Starting value 0.141831
+DEAL:cg::Convergence step 8 value 1.02533e-10
+DEAL:: sol: 0.00000 - 0.0765196
+DEAL::Cycle 1:
+DEAL::   Number of active cells:       376
+DEAL::   Number of degrees of freedom: 445 (by level: 4, 9, 25, 81, 153, 193, 177)
+DEAL::mg_mat0 1.33333
+DEAL::mg_interface_mat0 0.00000
+DEAL::mg_mat1 4.00000
+DEAL::mg_interface_mat1 0.00000
+DEAL::mg_mat2 9.56847
+DEAL::mg_interface_mat2 0.00000
+DEAL::mg_mat3 20.8487
+DEAL::mg_interface_mat3 0.00000
+DEAL::mg_mat4 30.1146
+DEAL::mg_interface_mat4 2.60342
+DEAL::mg_mat5 33.5460
+DEAL::mg_interface_mat5 3.74166
+DEAL::mg_mat6 28.2686
+DEAL::mg_interface_mat6 4.78423
+DEAL::check3 iteration: 4.05480e-08
+DEAL:cg::Starting value 0.0832842
+DEAL:cg::Convergence step 7 value 5.24092e-10
+DEAL:: sol: 0.00000 - 0.0743542
-- 
2.39.5