Link to the source code for this example:
Open vector_fe_ex2 in new tab.The console output of the program:
CXX example_dbg-vector_fe_ex2.o
CXXLD example-dbg
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* Running Example vector_fe_ex2:
* example-opt
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Mesh Information:
elem_dimensions()={3}
spatial_dimension()=3
n_nodes()=216
n_local_nodes()=216
n_elem()=125
n_local_elem()=125
n_active_elem()=125
n_subdomains()=1
n_partitions()=1
n_processors()=1
n_threads()=1
processor_id()=0
EquationSystems
n_systems()=1
System #0, "Laplace"
Type "Implicit"
Variables="u"
Finite Element Types="LAGRANGE_VEC", "JACOBI_20_00"
Infinite Element Mapping="CARTESIAN"
Approximation Orders="FIRST", "THIRD"
n_dofs()=648
n_local_dofs()=648
n_constrained_dofs()=456
n_local_constrained_dofs()=456
n_vectors()=1
n_matrices()=1
DofMap Sparsity
Average On-Processor Bandwidth <= 56.8889
Average Off-Processor Bandwidth <= 0
Maximum On-Processor Bandwidth <= 81
Maximum Off-Processor Bandwidth <= 0
DofMap Constraints
Number of DoF Constraints = 456
Number of Heterogenous Constraints= 456
Average DoF Constraint Length= 0
Assembling the System
Nonlinear Residual: 4.00845
Linear solve starting, tolerance 1e-12
Linear solve finished, step 8, residual 3.873e-13
Trying full Newton step
Current Residual: 4.26989e-13
Nonlinear solver converged, step 0, residual reduction 1.06522e-13 < 1e-12
Nonlinear solver relative step size 0.723571 > 1e-06
L2-Error is: 0.142039
H1-Error is: 0.902143
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| Time: Wed Apr 13 10:34:42 2016 |
| OS: Darwin |
| HostName: peterson-laptop.local |
| OS Release: 15.0.0 |
| OS Version: Darwin Kernel Version 15.0.0: Sat Sep 19 15:53:46 PDT 2015; root:xnu-3247.10.11~1/RELEASE_X86_64 |
| Machine: x86_64 |
| Username: petejw |
| Configuration: ../configure 'INSTALL=/usr/bin/install -C' |
| '--with-methods=opt dbg' |
| '--prefix=/Users/petejw/projects/libmesh_git/installed' |
| '--enable-perflog' |
| '--enable-tracefiles' |
| '--disable-blocked-storage' |
| '--enable-default-comm-world' |
| '--enable-tecio' |
| '--enable-unique-ptr' |
| '--enable-ifem' |
| 'PETSC_DIR=/opt/moose/petsc/mpich_petsc-3.6.1/clang-opt-superlu' |
| 'SLEPC_DIR=/opt/petejw/slepc/3.6.1' |
| 'CPPFLAGS= ' |
| 'LIBS= ' |
| 'CPPFLAGS= ' |
| 'LIBS= ' |
| '--disable-netcdf-4' |
| '--disable-testsets' |
| 'CXX=mpicxx' |
| 'CC=mpicc' |
| 'F77=mpif77' |
| 'FC=mpif90' |
| 'CPPFLAGS= ' |
| 'LIBS= ' |
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| libMesh Performance: Alive time=0.073219, Active time=0.047946 |
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| Event nCalls Total Time Avg Time Total Time Avg Time % of Active Time |
| w/o Sub w/o Sub With Sub With Sub w/o S With S |
|-----------------------------------------------------------------------------------------------------------------|
| |
| |
| DofMap |
| add_neighbors_to_send_list() 1 0.0001 0.000058 0.0001 0.000058 0.12 0.12 |
| build_constraint_matrix() 250 0.0008 0.000003 0.0008 0.000003 1.69 1.69 |
| build_sparsity() 1 0.0014 0.001376 0.0015 0.001483 2.87 3.09 |
| cnstrn_elem_mat_vec() 125 0.0006 0.000005 0.0006 0.000005 1.35 1.35 |
| constrain_elem_vector() 125 0.0002 0.000001 0.0002 0.000001 0.33 0.33 |
| create_dof_constraints() 1 0.0008 0.000768 0.0009 0.000887 1.60 1.85 |
| distribute_dofs() 1 0.0001 0.000058 0.0003 0.000253 0.12 0.53 |
| dof_indices() 1125 0.0005 0.000000 0.0005 0.000000 1.06 1.06 |
| enforce_constraints_exactly() 3 0.0002 0.000060 0.0002 0.000060 0.38 0.38 |
| prepare_send_list() 2 0.0000 0.000001 0.0000 0.000001 0.00 0.00 |
| reinit() 1 0.0002 0.000194 0.0002 0.000194 0.40 0.40 |
| |
| EquationSystems |
| build_solution_vector() 2 0.0005 0.000234 0.0006 0.000282 0.98 1.18 |
| |
| ExodusII_IO |
| write_nodal_data() 1 0.0012 0.001204 0.0012 0.001204 2.51 2.51 |
| |
| FE |
| compute_shape_functions() 675 0.0275 0.000041 0.0275 0.000041 57.35 57.35 |
| init_shape_functions() 303 0.0008 0.000003 0.0008 0.000003 1.61 1.61 |
| |
| FEMSystem |
| assembly() 1 0.0059 0.005927 0.0105 0.010526 12.36 21.95 |
| assembly(get_residual) 1 0.0012 0.001225 0.0045 0.004505 2.55 9.40 |
| |
| FEMap |
| compute_affine_map() 675 0.0013 0.000002 0.0013 0.000002 2.66 2.66 |
| compute_face_map() 300 0.0002 0.000001 0.0002 0.000001 0.40 0.40 |
| init_face_shape_functions() 2 0.0000 0.000005 0.0000 0.000005 0.02 0.02 |
| init_reference_to_physical_map() 303 0.0014 0.000005 0.0014 0.000005 2.98 2.98 |
| |
| Mesh |
| find_neighbors() 1 0.0004 0.000363 0.0004 0.000363 0.76 0.76 |
| renumber_nodes_and_elem() 2 0.0000 0.000006 0.0000 0.000006 0.03 0.03 |
| |
| MeshOutput |
| write_equation_systems() 2 0.0011 0.000568 0.0029 0.001452 2.37 6.06 |
| |
| MeshTools::Generation |
| build_cube() 1 0.0001 0.000108 0.0001 0.000108 0.23 0.23 |
| |
| NewtonSolver |
| solve() 1 0.0002 0.000227 0.0168 0.016774 0.47 34.99 |
| |
| Parallel |
| allgather() 1 0.0000 0.000001 0.0000 0.000001 0.00 0.00 |
| |
| Partitioner |
| single_partition() 1 0.0000 0.000011 0.0000 0.000011 0.02 0.02 |
| |
| PetscLinearSolver |
| solve() 1 0.0013 0.001334 0.0013 0.001334 2.78 2.78 |
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| Totals: 3908 0.0479 100.00 |
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* Done Running Example vector_fe_ex2:
* example-opt
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