Types

rocsparse_handle

typedef struct _rocsparse_handle *rocsparse_handle

Handle to the rocSPARSE library context queue.

The rocSPARSE handle is a structure holding the rocSPARSE library context. It must be initialized using rocsparse_create_handle() and the returned handle must be passed to all subsequent library function calls. It should be destroyed at the end using rocsparse_destroy_handle().

rocsparse_mat_descr

typedef struct _rocsparse_mat_descr *rocsparse_mat_descr

Descriptor of the matrix.

The rocSPARSE matrix descriptor is a structure holding all properties of a matrix. It must be initialized using rocsparse_create_mat_descr() and the returned descriptor must be passed to all subsequent library calls that involve the matrix. It should be destroyed at the end using rocsparse_destroy_mat_descr().

rocsparse_mat_info

typedef struct _rocsparse_mat_info *rocsparse_mat_info

Info structure to hold all matrix meta data.

The rocSPARSE matrix info is a structure holding all matrix information that is gathered during analysis routines. It must be initialized using rocsparse_create_mat_info() and the returned info structure must be passed to all subsequent library calls that require additional matrix information. It should be destroyed at the end using rocsparse_destroy_mat_info().

rocsparse_hyb_mat

typedef struct _rocsparse_hyb_mat *rocsparse_hyb_mat

HYB matrix storage format.

The rocSPARSE HYB matrix structure holds the HYB matrix. It must be initialized using rocsparse_create_hyb_mat() and the returned HYB matrix must be passed to all subsequent library calls that involve the matrix. It should be destroyed at the end using rocsparse_destroy_hyb_mat().

For more details on the HYB format, see HYB storage format.

rocsparse_action

enum rocsparse_action

Specify where the operation is performed on.

The rocsparse_action indicates whether the operation is performed on the full matrix, or only on the sparsity pattern of the matrix.

Values:

enumerator rocsparse_action_symbolic

Operate only on indices.

enumerator rocsparse_action_numeric

Operate on data and indices.

rocsparse_direction

enum rocsparse_direction

Specify the matrix direction.

The rocsparse_direction indicates whether a dense matrix should be parsed by rows or by columns, assuming column-major storage.

Values:

enumerator rocsparse_direction_row

Parse the matrix by rows.

enumerator rocsparse_direction_column

Parse the matrix by columns.

rocsparse_hyb_partition

enum rocsparse_hyb_partition

HYB matrix partitioning type.

The rocsparse_hyb_partition type indicates how the hybrid format partitioning between COO and ELL storage formats is performed.

Values:

enumerator rocsparse_hyb_partition_auto

automatically decide on ELL nnz per row.

enumerator rocsparse_hyb_partition_user

user given ELL nnz per row.

enumerator rocsparse_hyb_partition_max

max ELL nnz per row, no COO part.

rocsparse_index_base

enum rocsparse_index_base

Specify the matrix index base.

The rocsparse_index_base indicates the index base of the indices. For a given rocsparse_mat_descr, the rocsparse_index_base can be set using rocsparse_set_mat_index_base(). The current rocsparse_index_base of a matrix can be obtained by rocsparse_get_mat_index_base().

Values:

enumerator rocsparse_index_base_zero

zero based indexing.

enumerator rocsparse_index_base_one

one based indexing.

rocsparse_matrix_type

enum rocsparse_matrix_type

Specify the matrix type.

The rocsparse_matrix_type indices the type of a matrix. For a given rocsparse_mat_descr, the rocsparse_matrix_type can be set using rocsparse_set_mat_type(). The current rocsparse_matrix_type of a matrix can be obtained by rocsparse_get_mat_type().

Values:

enumerator rocsparse_matrix_type_general

general matrix type.

enumerator rocsparse_matrix_type_symmetric

symmetric matrix type.

enumerator rocsparse_matrix_type_hermitian

hermitian matrix type.

enumerator rocsparse_matrix_type_triangular

triangular matrix type.

rocsparse_fill_mode

enum rocsparse_fill_mode

Specify the matrix fill mode.

The rocsparse_fill_mode indicates whether the lower or the upper part is stored in a sparse triangular matrix. For a given rocsparse_mat_descr, the rocsparse_fill_mode can be set using rocsparse_set_mat_fill_mode(). The current rocsparse_fill_mode of a matrix can be obtained by rocsparse_get_mat_fill_mode().

Values:

enumerator rocsparse_fill_mode_lower

lower triangular part is stored.

enumerator rocsparse_fill_mode_upper

upper triangular part is stored.

rocsparse_storage_mode

enum rocsparse_storage_mode

Specify whether the matrix is stored sorted or not.

The rocsparse_storage_mode indicates whether the matrix is stored sorted or not. For a given rocsparse_mat_descr, the rocsparse_storage_mode can be set using rocsparse_set_storage_mode(). The current rocsparse_storage_mode of a matrix can be obtained by rocsparse_get_mat_storage_mode().

Values:

enumerator rocsparse_storage_mode_sorted

matrix is sorted.

enumerator rocsparse_storage_mode_unsorted

matrix is unsorted.

rocsparse_diag_type

enum rocsparse_diag_type

Indicates if the diagonal entries are unity.

The rocsparse_diag_type indicates whether the diagonal entries of a matrix are unity or not. If rocsparse_diag_type_unit is specified, all present diagonal values will be ignored. For a given rocsparse_mat_descr, the rocsparse_diag_type can be set using rocsparse_set_mat_diag_type(). The current rocsparse_diag_type of a matrix can be obtained by rocsparse_get_mat_diag_type().

Values:

enumerator rocsparse_diag_type_non_unit

diagonal entries are non-unity.

enumerator rocsparse_diag_type_unit

diagonal entries are unity

rocsparse_operation

enum rocsparse_operation

Specify whether the matrix is to be transposed or not.

The rocsparse_operation indicates the operation performed with the given matrix.

Values:

enumerator rocsparse_operation_none

Operate with matrix.

enumerator rocsparse_operation_transpose

Operate with transpose.

enumerator rocsparse_operation_conjugate_transpose

Operate with conj. transpose.

rocsparse_pointer_mode

enum rocsparse_pointer_mode

Indicates if the pointer is device pointer or host pointer.

The rocsparse_pointer_mode indicates whether scalar values are passed by reference on the host or device. The rocsparse_pointer_mode can be changed by rocsparse_set_pointer_mode(). The currently used pointer mode can be obtained by rocsparse_get_pointer_mode().

Values:

enumerator rocsparse_pointer_mode_host

scalar pointers are in host memory.

enumerator rocsparse_pointer_mode_device

scalar pointers are in device memory.

rocsparse_analysis_policy

enum rocsparse_analysis_policy

Specify policy in analysis functions.

The rocsparse_analysis_policy specifies whether gathered analysis data should be re-used or not. If meta data from a previous e.g. rocsparse_csrilu0_analysis() call is available, it can be re-used for subsequent calls to e.g. rocsparse_csrsv_analysis() and greatly improve performance of the analysis function.

Values:

enumerator rocsparse_analysis_policy_reuse

try to re-use meta data.

enumerator rocsparse_analysis_policy_force

force to re-build meta data.

rocsparse_solve_policy

enum rocsparse_solve_policy

Specify policy in triangular solvers and factorizations.

This is a placeholder.

Values:

enumerator rocsparse_solve_policy_auto

automatically decide on level information.

rocsparse_layer_mode

enum rocsparse_layer_mode

Indicates if layer is active with bitmask.

The rocsparse_layer_mode bit mask indicates the logging characteristics.

Values:

enumerator rocsparse_layer_mode_none

layer is not active.

enumerator rocsparse_layer_mode_log_trace

layer is in logging mode.

enumerator rocsparse_layer_mode_log_bench

layer is in benchmarking mode.

enumerator rocsparse_layer_mode_log_debug

layer is in debug mode.

For more details on logging, see Logging.

rocsparse_status

enum rocsparse_status

List of rocsparse status codes definition.

This is a list of the rocsparse_status types that are used by the rocSPARSE library.

Values:

enumerator rocsparse_status_success

success.

enumerator rocsparse_status_invalid_handle

handle not initialized, invalid or null.

enumerator rocsparse_status_not_implemented

function is not implemented.

enumerator rocsparse_status_invalid_pointer

invalid pointer parameter.

enumerator rocsparse_status_invalid_size

invalid size parameter.

enumerator rocsparse_status_memory_error

failed memory allocation, copy, dealloc.

enumerator rocsparse_status_internal_error

other internal library failure.

enumerator rocsparse_status_invalid_value

invalid value parameter.

enumerator rocsparse_status_arch_mismatch

device arch is not supported.

enumerator rocsparse_status_zero_pivot

encountered zero pivot.

enumerator rocsparse_status_not_initialized

descriptor has not been initialized.

enumerator rocsparse_status_type_mismatch

index types do not match.

enumerator rocsparse_status_requires_sorted_storage

sorted storage required.

enumerator rocsparse_status_thrown_exception

exception being thrown.

rocsparse_indextype

enum rocsparse_indextype

List of rocsparse index types.

Indicates the index width of a rocsparse index type.

Values:

enumerator rocsparse_indextype_u16

16 bit unsigned integer.

enumerator rocsparse_indextype_i32

32 bit signed integer.

enumerator rocsparse_indextype_i64

64 bit signed integer.

rocsparse_datatype

enum rocsparse_datatype

List of rocsparse data types.

Indicates the precision width of data stored in a rocsparse type.

Values:

enumerator rocsparse_datatype_f32_r

32 bit floating point, real.

enumerator rocsparse_datatype_f64_r

64 bit floating point, real.

enumerator rocsparse_datatype_f32_c

32 bit floating point, complex.

enumerator rocsparse_datatype_f64_c

64 bit floating point, complex.

enumerator rocsparse_datatype_i8_r

8-bit signed integer, real

enumerator rocsparse_datatype_u8_r

8-bit unsigned integer, real

enumerator rocsparse_datatype_i32_r

32-bit signed integer, real

enumerator rocsparse_datatype_u32_r

32-bit unsigned integer, real

rocsparse_format

enum rocsparse_format

List of sparse matrix formats.

This is a list of supported rocsparse_format types that are used to describe a sparse matrix.

Values:

enumerator rocsparse_format_coo

COO sparse matrix format.

enumerator rocsparse_format_coo_aos

COO AoS sparse matrix format.

enumerator rocsparse_format_csr

CSR sparse matrix format.

enumerator rocsparse_format_csc

CSC sparse matrix format.

enumerator rocsparse_format_ell

ELL sparse matrix format.

enumerator rocsparse_format_bell

BLOCKED ELL sparse matrix format.

enumerator rocsparse_format_bsr

BSR sparse matrix format.

rocsparse_order

enum rocsparse_order

List of dense matrix ordering.

This is a list of supported rocsparse_order types that are used to describe the memory layout of a dense matrix

Values:

enumerator rocsparse_order_row

Row major.

enumerator rocsparse_order_column

Column major.

rocsparse_spmv_alg

enum rocsparse_spmv_alg

List of SpMV algorithms.

This is a list of supported rocsparse_spmv_alg types that are used to perform matrix vector product.

Values:

enumerator rocsparse_spmv_alg_default

Default SpMV algorithm for the given format.

enumerator rocsparse_spmv_alg_coo

COO SpMV algorithm 1 (segmented) for COO matrices.

enumerator rocsparse_spmv_alg_csr_adaptive

CSR SpMV algorithm 1 (adaptive) for CSR matrices.

enumerator rocsparse_spmv_alg_csr_stream

CSR SpMV algorithm 2 (stream) for CSR matrices.

enumerator rocsparse_spmv_alg_ell

ELL SpMV algorithm for ELL matrices.

enumerator rocsparse_spmv_alg_coo_atomic

COO SpMV algorithm 2 (atomic) for COO matrices.

enumerator rocsparse_spmv_alg_bsr

BSR SpMV algorithm 1 for BSR matrices.

rocsparse_spmv_stage

enum rocsparse_spmv_stage

List of SpMV stages.

This is a list of possible stages during SpMV computation. Typical order is rocsparse_spmv_buffer_size, rocsparse_spmv_preprocess, rocsparse_spmv_compute.

Values:

enumerator rocsparse_spmv_stage_auto

Automatic stage detection.

enumerator rocsparse_spmv_stage_buffer_size

Returns the required buffer size.

enumerator rocsparse_spmv_stage_preprocess

Preprocess data.

enumerator rocsparse_spmv_stage_compute

Performs the actual SpMV computation.

rocsparse_spsv_alg

enum rocsparse_spsv_alg

List of SpSV algorithms.

This is a list of supported rocsparse_spsv_alg types that are used to perform triangular solve.

Values:

enumerator rocsparse_spsv_alg_default

Default SpSV algorithm for the given format.

rocsparse_spsv_stage

enum rocsparse_spsv_stage

List of SpSV stages.

This is a list of possible stages during SpSV computation. Typical order is rocsparse_spsv_buffer_size, rocsparse_spsv_preprocess, rocsparse_spsv_compute.

Values:

enumerator rocsparse_spsv_stage_auto

Automatic stage detection.

enumerator rocsparse_spsv_stage_buffer_size

Returns the required buffer size.

enumerator rocsparse_spsv_stage_preprocess

Preprocess data.

enumerator rocsparse_spsv_stage_compute

Performs the actual SpSV computation.

rocsparse_spsm_alg

enum rocsparse_spsm_alg

List of SpSM algorithms.

This is a list of supported rocsparse_spsm_alg types that are used to perform triangular solve.

Values:

enumerator rocsparse_spsm_alg_default

Default SpSM algorithm for the given format.

rocsparse_spsm_stage

enum rocsparse_spsm_stage

List of SpSM stages.

This is a list of possible stages during SpSM computation. Typical order is rocsparse_spsm_buffer_size, rocsparse_spsm_preprocess, rocsparse_spsm_compute.

Values:

enumerator rocsparse_spsm_stage_auto

Automatic stage detection.

enumerator rocsparse_spsm_stage_buffer_size

Returns the required buffer size.

enumerator rocsparse_spsm_stage_preprocess

Preprocess data.

enumerator rocsparse_spsm_stage_compute

Performs the actual SpSM computation.

rocsparse_spmm_alg

enum rocsparse_spmm_alg

List of SpMM algorithms.

This is a list of supported rocsparse_spmm_alg types that are used to perform matrix vector product.

Values:

enumerator rocsparse_spmm_alg_default

Default SpMM algorithm for the given format.

enumerator rocsparse_spmm_alg_csr

SpMM algorithm for CSR format using row split and shared memory.

enumerator rocsparse_spmm_alg_coo_segmented

SpMM algorithm for COO format using segmented scan.

enumerator rocsparse_spmm_alg_coo_atomic

SpMM algorithm for COO format using atomics.

enumerator rocsparse_spmm_alg_csr_row_split

SpMM algorithm for CSR format using row split and shfl.

enumerator rocsparse_spmm_alg_csr_merge

SpMM algorithm for CSR format using conversion to COO.

enumerator rocsparse_spmm_alg_coo_segmented_atomic

SpMM algorithm for COO format using segmented scan and atomics.

enumerator rocsparse_spmm_alg_bell

SpMM algorithm for Blocked ELL format.

enumerator rocsparse_spmm_alg_bsr

SpMM algorithm for BSR format.

rocsparse_spmm_stage

enum rocsparse_spmm_stage

List of SpMM stages.

This is a list of possible stages during SpMM computation. Typical order is rocsparse_spmm_buffer_size, rocsparse_spmm_preprocess, rocsparse_spmm_compute.

Values:

enumerator rocsparse_spmm_stage_auto

Automatic stage detection.

enumerator rocsparse_spmm_stage_buffer_size

Returns the required buffer size.

enumerator rocsparse_spmm_stage_preprocess

Preprocess data.

enumerator rocsparse_spmm_stage_compute

Performs the actual SpMM computation.

rocsparse_sddmm_alg

enum rocsparse_sddmm_alg

List of sddmm algorithms.

This is a list of supported rocsparse_sddmm_alg types that are used to perform matrix vector product.

Values:

enumerator rocsparse_sddmm_alg_default

Default sddmm algorithm for the given format.

rocsparse_spgemm_stage

enum rocsparse_spgemm_stage

List of SpGEMM stages.

This is a list of possible stages during SpGEMM computation. Typical order is rocsparse_spgemm_buffer_size, rocsparse_spgemm_nnz, rocsparse_spgemm_compute.

Values:

enumerator rocsparse_spgemm_stage_auto

Automatic stage detection.

enumerator rocsparse_spgemm_stage_buffer_size

Returns the required buffer size.

enumerator rocsparse_spgemm_stage_nnz

Computes number of non-zero entries.

enumerator rocsparse_spgemm_stage_compute

Performs the actual SpGEMM computation.

enumerator rocsparse_spgemm_stage_symbolic

Performs the actual SpGEMM symbolic computation.

enumerator rocsparse_spgemm_stage_numeric

Performs the actual SpGEMM numeric computation.

rocsparse_spgemm_alg

enum rocsparse_spgemm_alg

List of SpGEMM algorithms.

This is a list of supported rocsparse_spgemm_alg types that are used to perform sparse matrix sparse matrix product.

Values:

enumerator rocsparse_spgemm_alg_default

Default SpGEMM algorithm for the given format.

rocsparse_sparse_to_dense_alg

enum rocsparse_sparse_to_dense_alg

List of sparse to dense algorithms.

This is a list of supported rocsparse_sparse_to_dense_alg types that are used to perform sparse to dense conversion.

Values:

enumerator rocsparse_sparse_to_dense_alg_default

Default sparse to dense algorithm for the given format.

rocsparse_dense_to_sparse_alg

enum rocsparse_dense_to_sparse_alg

List of dense to sparse algorithms.

This is a list of supported rocsparse_dense_to_sparse_alg types that are used to perform dense to sparse conversion.

Values:

enumerator rocsparse_dense_to_sparse_alg_default

Default dense to sparse algorithm for the given format.

rocsparse_gtsv_interleaved_alg

enum rocsparse_gtsv_interleaved_alg

List of interleaved gtsv algorithms.

This is a list of supported rocsparse_gtsv_interleaved_alg types that are used to perform interleaved tridiagonal solve.

Values:

enumerator rocsparse_gtsv_interleaved_alg_default

Solve interleaved gtsv using QR algorithm (stable).

enumerator rocsparse_gtsv_interleaved_alg_thomas

Solve interleaved gtsv using thomas algorithm (unstable).

enumerator rocsparse_gtsv_interleaved_alg_lu

Solve interleaved gtsv using LU algorithm (stable).

enumerator rocsparse_gtsv_interleaved_alg_qr

Solve interleaved gtsv using QR algorithm (stable).