petsc-3.7.3 2016-08-01
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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_package superlu_dist to us 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_matinput <0,1> - matrix input mode; 0=global, 1=distributed
-mat_superlu_dist_equil - equilibrate the matrix
-mat_superlu_dist_rowperm <LargeDiag,NATURAL> - row permutation
-mat_superlu_dist_colperm <MMD_AT_PLUS_A,MMD_ATA,NATURAL> - column permutation
-mat_superlu_dist_replacetinypivot - replace tiny pivots
-mat_superlu_dist_fact <SamePattern> - (choose one of) SamePattern SamePattern_SameRowPerm
-mat_superlu_dist_iterrefine - use iterative refinement
-mat_superlu_dist_statprint - print factorization information

See Also

PCLU

See Also

PCFactorSetMatSolverPackage(), MatSolverPackage

Level:beginner
Location:
src/mat/impls/aij/mpi/superlu_dist/superlu_dist.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex52.c.html