Link to the source code for this example:
Open systems_of_equations_ex1 in new tab.The console output of the program:
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* Running Example systems_of_equations_ex1:
* example-opt
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Mesh Information:
elem_dimensions()={2}
spatial_dimension()=2
n_nodes()=961
n_local_nodes()=961
n_elem()=225
n_local_elem()=225
n_active_elem()=225
n_subdomains()=1
n_partitions()=1
n_processors()=1
n_threads()=1
processor_id()=0
EquationSystems
n_systems()=1
System #0, "Stokes"
Type "LinearImplicit"
Variables={ "u" "v" } "p"
Finite Element Types="LAGRANGE", "JACOBI_20_00" "LAGRANGE", "JACOBI_20_00"
Infinite Element Mapping="CARTESIAN" "CARTESIAN"
Approximation Orders="SECOND", "THIRD" "FIRST", "THIRD"
n_dofs()=2178
n_local_dofs()=2178
n_constrained_dofs()=0
n_local_constrained_dofs()=0
n_vectors()=1
n_matrices()=1
DofMap Sparsity
Average On-Processor Bandwidth <= 38.4683
Average Off-Processor Bandwidth <= 0
Maximum On-Processor Bandwidth <= 59
Maximum Off-Processor Bandwidth <= 0
DofMap Constraints
Number of DoF Constraints = 0
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| Time: Wed Apr 13 09:57:17 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=0.02965, Active time=0.023228 |
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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 0.000106 0.0001 0.000106 0.46 0.46 |
| build_sparsity() 1 0.0018 0.001763 0.0019 0.001885 7.59 8.12 |
| create_dof_constraints() 1 0.0000 0.000031 0.0000 0.000031 0.13 0.13 |
| distribute_dofs() 1 0.0002 0.000176 0.0007 0.000706 0.76 3.04 |
| dof_indices() 1800 0.0005 0.000000 0.0005 0.000000 2.20 2.20 |
| prepare_send_list() 2 0.0000 0.000000 0.0000 0.000000 0.00 0.00 |
| reinit() 1 0.0005 0.000530 0.0005 0.000530 2.28 2.28 |
| |
| EquationSystems |
| build_solution_vector() 1 0.0006 0.000565 0.0008 0.000769 2.43 3.31 |
| |
| ExodusII_IO |
| write_nodal_data() 1 0.0018 0.001770 0.0018 0.001770 7.62 7.62 |
| |
| FE |
| compute_shape_functions() 450 0.0003 0.000001 0.0003 0.000001 1.24 1.24 |
| init_shape_functions() 2 0.0000 0.000006 0.0000 0.000006 0.05 0.05 |
| |
| FEMap |
| compute_affine_map() 450 0.0003 0.000001 0.0003 0.000001 1.50 1.50 |
| init_reference_to_physical_map() 2 0.0000 0.000013 0.0000 0.000013 0.11 0.11 |
| |
| Mesh |
| find_neighbors() 1 0.0004 0.000384 0.0004 0.000384 1.65 1.65 |
| renumber_nodes_and_elem() 2 0.0000 0.000008 0.0000 0.000008 0.07 0.07 |
| |
| MeshOutput |
| write_equation_systems() 1 0.0000 0.000017 0.0026 0.002557 0.07 11.01 |
| |
| MeshTools::Generation |
| build_cube() 1 0.0002 0.000178 0.0002 0.000178 0.77 0.77 |
| |
| Parallel |
| allgather() 1 0.0000 0.000000 0.0000 0.000000 0.00 0.00 |
| |
| Partitioner |
| single_partition() 1 0.0000 0.000017 0.0000 0.000017 0.07 0.07 |
| |
| PetscLinearSolver |
| solve() 1 0.0135 0.013492 0.0135 0.013492 58.09 58.09 |
| |
| System |
| assemble() 1 0.0030 0.002996 0.0041 0.004078 12.90 17.56 |
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| Totals: 2722 0.0232 100.00 |
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* Done Running Example systems_of_equations_ex1:
* example-opt
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