The example codes provided here demonstrate the use of of various xSDK libraries in tandem to solve problems of interest. Each of the library folders has one or more examples codes that are built of that library and utilize code integrations with other xSDK libraries. Running these example codes and examining the output is a good way to better understand how these libraries can work together. The code samples are a good place to start for new projects. More details about the examples can be found in the README.md files in the library subfolders. For more information on the xSDK see https://xsdk.info/.
| Example | Libraries | Description |
|---|---|---|
| hypre/ij_laplacian.c | HYPRE+SuperLU_Dist | 2D Laplacian problem |
| libensemble/test_persistent_aposmm_tao.py | libEnsemble+PETSc | 2D constrained optimization problem |
| mfem/hypre-superlu/convdiff.cpp | MFEM+HYPRE+SuperLU_Dist | 2D steady state convective diffusion |
| mfem/ginkgo/mfem_ex1_gko.cpp | MFEM+Ginkgo | 2D Poisson problem with Ginko solver |
| mfem/petsc/obstacle.cpp | MFEM+PETSc | Membrane obstacle problem (min energy functional) |
| mfem/sundials/transient-heat.cpp | MFEM+SUNDIALS | 2D Transient nonlinear heat conduction |
| mfem/sundials/advection.cpp | MFEM+SUNDIALS (CUDA) | 2D Time-dependent advection |
| petsc/ex19.c | PETSc+HYPRE+SuperLU_Dist | 2D nonlinear driven cavity problem |
| sundials/ark_brusselator1D_FEM_sludist.cpp | SUNDIALS+SuperLU_Dist | Chemical kinetics brusselator problem |
| sundials/cv_petsc_ex7.c | SUNDIALS+PETSc | 2D nonlinear PDE solution |
| trilinos/SimpleSolve_WithParameters.cpp | Trilinos+SuperLU_Dist | Small linear system direct solution |
These examples are currently in the repo but will not be enabled in the xsdk-examples spack package until we release a new version of the xSDK. They can still be built using CMake directly.
| Example | Libraries | Description |
|---|---|---|
| sundials/cvRoberts_blockdiag_magma.cpp | SUNDIALS+MAGMA (CUDA) | Solves a group of chemical kinetics ODEs |
The examples can be installed along with the xSDK utilizing the spack package.
spack install xsdk-examples
Further details on how to run each example code can be found in each example folder's README.md file.