API: Sparse

Containers

Sparse containers are data structures that store indices and values associated with linear algebra objects, they allow storage savings all values associated with indices not explicitly stored are assumed to be zeros.

• CrsMatrix

• BsrMatrix

• KokkosKernelsHandle

Sorting

• Sort sparse data structures

  • sort_crs_matrix

  • sort_brs_matrix

  • sort_and_merge_matrix

  • sort_crs_graph

  • sort_and_merge_graph

Linear Algebra Operations

• sparse matrix-vector multiplication

  • spmv

• sparse matrix-matrix addition

  • spadd_symbolic

  • spadd_numeric

• sparse matrix-matrix multiplication

  • spgemm_symbolic

  • spgemm_numeric

• sparse triangular matrix solve

  • sptrsv_symbolic

  • sptrsv_solve

Linear Solver / Preconditioners

• Gauss-Seidel and SOR

  • gauss_seidel_symbolic

  • gauss_seidel_numeric

  • symmetric_gauss_seidel_apply

  • forward_sweep_gauss_seidel_apply

  • backward_sweep_gauss_seidel_apply

• incomplete LU factorization

  • spiluk_symbolic

  • spiluk_numeric

  • par_ilut

Utility Functions

• Apply RCB to the coordinates associated with rows/columns of a crs matrix then extract the diagonal blocks corresponding to the RCB partitions

  • extract_diagonal_blocks_rcb