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

MatSetOption(A, 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

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