petsc-3.13.6 2020-09-29
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MATSOLVERSUPERLU_DIST

Parallel direct solver package for LU factorization Use ./configure --download-superlu_dist --download-parmetis --download-metis --download-ptscotch to have PETSc installed with SuperLU_DIST

Use -pc_type lu -pc_factor_mat_solver_type superlu_dist to use this direct solver

Works with AIJ matrices

Options Database Keys

-mat_superlu_dist_r <n> - number of rows in processor partition
-mat_superlu_dist_c <n> - number of columns in processor partition
-mat_superlu_dist_equil - equilibrate the matrix
-mat_superlu_dist_rowperm <NOROWPERM,LargeDiag_MC64,LargeDiag_AWPM,MY_PERMR> - row permutation
-mat_superlu_dist_colperm <NATURAL,MMD_AT_PLUS_A,MMD_ATA,METIS_AT_PLUS_A,PARMETIS> - column permutation
-mat_superlu_dist_replacetinypivot - replace tiny pivots
-mat_superlu_dist_fact <SamePattern> - (choose one of) SamePattern SamePattern_SameRowPerm DOFACT
-mat_superlu_dist_iterrefine - use iterative refinement
-mat_superlu_dist_statprint - print factorization information

See Also

PCLU

See Also

PCFactorSetMatSolverType(), MatSolverType

Level

beginner

Location

src/mat/impls/aij/mpi/superlu_dist/superlu_dist.c

Examples

src/ksp/ksp/tutorials/ex52.c.html
src/tao/constrained/tutorials/ex1.c.html

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages