MATMPIBAIJ#
MATMPIBAIJ = “mpibaij” - A matrix type to be used for distributed block sparse matrices.
Options Database Keys#
-mat_type mpibaij - sets the matrix type to
MATMPIBAIJ
during a call toMatSetFromOptions()
-mat_block_size
- set the blocksize used to store the matrix-mat_baij_mult_version version - indicate the version of the matrix-vector product to use (0 often indicates using BLAS)
-mat_use_hash_table
- set hash table factor
Note#
MatSetOptions
(,MAT_STRUCTURE_ONLY
,PETSC_TRUE
) may be called for this matrix type. In this no
space is allocated for the nonzero entries and any entries passed with MatSetValues()
are ignored
See Also#
Mat
, MATBAIJ, MATSEQBAIJ
, MatCreateBAIJ
Level#
beginner
Location#
src/mat/impls/baij/mpi/mpibaij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages