MAT_SOLVER_DSCPACK

"dscpack" - Provides direct solvers (Cholesky) for sequential or distributed matrices via the external package DSCPACK.

Options Database Keys

-mat_dscpack_order <1,2,3> - DSCPACK ordering, 1:ND, 2:Hybrid with Minimum Degree, 3:Hybrid with Minimum Deficiency
-mat_dscpack_scheme <1,2> - factorization scheme, 1:standard factorization, 2: factorization with selective inversion
-mat_dscpack_factor <LLT,LDLT> - the type of factorization to be performed.
-mat_dscpack_MaxMemAllowed <n> - the maximum memory to be used during factorization
-mat_dscpack_stats <0,1> - display stats of the factorization and solves during MatDestroy(), 0: no display, 1: display
-mat_dscpack_LBLAS <LBLAS1,LBLAS2,LBLAS3> - BLAS level used in the local phase
-mat_dscpack_DBLAS <DBLAS1,DBLAS2> - BLAS level used in the distributed phase

See Also

PCCHOLESKY, PCFactorSetMatSolverPackage(), MatSolverPackage

Level:beginner
Location:
src/mat/impls/baij/mpi/dscpack/dscpack.c
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