Developer Reference for Intel® oneAPI Math Kernel Library - C

Developer Reference

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mkl_sparse_set_sv_hint

Provides estimate of number and type of upcoming triangular system solver operations.

Syntax

sparse_status_t mkl_sparse_set_sv_hint
(
const sparse_matrix_t
A
,
const sparse_operation_t
operation
,
const struct
matrix_descr
descr
,
const MKL_INT
expected_calls
);
Include Files
  • mkl_spblas.h
Description
The
mkl_sparse_set_sv_hint
 routine provides an estimate of the number of upcoming triangular system solver operations and type of these operations for performance optimization.
Product and Performance Information
Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.
Notice revision #20201201
Input Parameters
operation
Specifies operation
op()
 on input matrix.
SPARSE_OPERATION_NON_TRANSPOSE
Non-transpose,
op(
A
) =
A
.
SPARSE_OPERATION_TRANSPOSE
Transpose,
op(
A
) =
A
T
.
SPARSE_OPERATION_CONJUGATE_TRANSPOSE
Conjugate transpose,
op(
A
) =
A
H
.
descr
Structure
 specifying sparse matrix properties.
sparse_matrix_type_t
type
 - Specifies the type of a sparse matrix:
SPARSE_MATRIX_TYPE_GENERAL
The matrix is processed as is.
SPARSE_MATRIX_TYPE_SYMMETRIC
The matrix is symmetric (only the requested triangle is processed).
SPARSE_MATRIX_TYPE_HERMITIAN
The matrix is Hermitian (only the requested triangle is processed).
SPARSE_MATRIX_TYPE_TRIANGULAR
The matrix is triangular (only the requested triangle is processed).
SPARSE_MATRIX_TYPE_DIAGONAL
The matrix is diagonal (only diagonal elements are processed).
SPARSE_MATRIX_TYPE_BLOCK_TRIANGULAR
The matrix is block-triangular (only requested triangle is processed). Applies to BSR format only.
SPARSE_MATRIX_TYPE_BLOCK_DIAGONAL
The matrix is block-diagonal (only diagonal blocks are processed). Applies to BSR format only.
sparse_fill_mode_t
mode
 - Specifies the triangular matrix part for symmetric, Hermitian, triangular, and block-triangular matrices:
SPARSE_FILL_MODE_LOWER
The lower triangular matrix part is processed.
SPARSE_FILL_MODE_UPPER
The upper triangular matrix part is processed.
sparse_diag_type_t
diag
 - Specifies diagonal type for non-general matrices:
SPARSE_DIAG_NON_UNIT
Diagonal elements might not be equal to one.
SPARSE_DIAG_UNIT
Diagonal elements are equal to one.
expected_calls
Number of expected calls to execution routine.
Output Parameters
A
Handle containing internal data.
Return Values
The function returns a value indicating whether the operation was successful or not, and why.
SPARSE_STATUS_SUCCESS
The operation was successful.
SPARSE_STATUS_NOT_INITIALIZED
The routine encountered an empty handle or matrix array.
SPARSE_STATUS_ALLOC_FAILED
Internal memory allocation failed.
SPARSE_STATUS_INVALID_VALUE
The input parameters contain an invalid value.
SPARSE_STATUS_EXECUTION_FAILED
Execution failed.
SPARSE_STATUS_INTERNAL_ERROR
An error in algorithm implementation occurred.
SPARSE_STATUS_NOT_SUPPORTED
The requested operation is not supported.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.