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 to MatSetFromOptions()

  • -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#

MATBAIJ, MATSEQBAIJ, MatCreateBAIJ

Level#

beginner

Location#

src/mat/impls/baij/mpi/mpibaij.c


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