MAGMA  2.0.0
Matrix Algebra for GPU and Multicore Architectures

Functions

magma_int_t magma_zcumilusetup (magma_z_matrix A, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the ILU preconditioner via the cuSPARSE. More...
 
magma_int_t magma_zcumilusetup_transpose (magma_z_matrix A, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the ILU transpose preconditioner via the cuSPARSE. More...
 
magma_int_t magma_zcumilugeneratesolverinfo (magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the ILU triangular solves via cuSPARSE using an ILU factorization matrix stored either in precond->M or on the device as precond->L and precond->U. More...
 
magma_int_t magma_zapplycumilu_l (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the left triangular solves using the ILU preconditioner. More...
 
magma_int_t magma_zapplycumilu_l_transpose (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the left triangular solves using the transpose ILU preconditioner. More...
 
magma_int_t magma_zapplycumilu_r (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the right triangular solves using the ILU preconditioner. More...
 
magma_int_t magma_zapplycumilu_r_transpose (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the right triangular solves using the transpose ILU preconditioner. More...
 
magma_int_t magma_zcustomicsetup (magma_z_matrix A, magma_z_matrix b, magma_z_preconditioner *precond, magma_queue_t queue)
 Reads in an Incomplete Cholesky preconditioner. More...
 
magma_int_t magma_zcustomilusetup (magma_z_matrix A, magma_z_matrix b, magma_z_preconditioner *precond, magma_queue_t queue)
 Reads in an Incomplete LU preconditioner. More...
 
magma_int_t magma_ziterictsetup (magma_z_matrix A, magma_z_matrix b, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the iterative threshold Incomplete Cholesky preconditioner. More...
 
magma_int_t magma_ziterilusetup (magma_z_matrix A, magma_z_matrix b, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the ILU preconditioner via the iterative ILU iteration. More...
 
magma_int_t magma_zapplyiteric_l (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the left triangular solves using the IC preconditioner via Jacobi. More...
 
magma_int_t magma_zapplyiteric_r (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the right triangular solves using the IC preconditioner via Jacobi. More...
 

Detailed Description

Function Documentation

magma_int_t magma_zapplycumilu_l ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the left triangular solves using the ILU preconditioner.

Parameters
[in]bmagma_z_matrix RHS
[in,out]xmagma_z_matrix* vector to precondition
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zapplycumilu_l_transpose ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the left triangular solves using the transpose ILU preconditioner.

Parameters
[in]bmagma_z_matrix RHS
[in,out]xmagma_z_matrix* vector to precondition
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zapplycumilu_r ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the right triangular solves using the ILU preconditioner.

Parameters
[in]bmagma_z_matrix RHS
[in,out]xmagma_z_matrix* vector to precondition
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zapplycumilu_r_transpose ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the right triangular solves using the transpose ILU preconditioner.

Parameters
[in]bmagma_z_matrix RHS
[in,out]xmagma_z_matrix* vector to precondition
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zapplyiteric_l ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the left triangular solves using the IC preconditioner via Jacobi.

Parameters
[in]bmagma_z_matrix RHS
[out]xmagma_z_matrix* vector to precondition
[in]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zapplyiteric_r ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the right triangular solves using the IC preconditioner via Jacobi.

Parameters
[in]bmagma_z_matrix RHS
[out]xmagma_z_matrix* vector to precondition
[in]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcumilugeneratesolverinfo ( magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the ILU triangular solves via cuSPARSE using an ILU factorization matrix stored either in precond->M or on the device as precond->L and precond->U.

Parameters
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcumilusetup ( magma_z_matrix  A,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the ILU preconditioner via the cuSPARSE.

Parameters
[in]Amagma_z_matrix input matrix A
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcumilusetup_transpose ( magma_z_matrix  A,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the ILU transpose preconditioner via the cuSPARSE.

Parameters
[in]Amagma_z_matrix input matrix A
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcustomicsetup ( magma_z_matrix  A,
magma_z_matrix  b,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Reads in an Incomplete Cholesky preconditioner.

Parameters
[in]Amagma_z_matrix input matrix A
[in]bmagma_z_matrix input RHS b
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcustomilusetup ( magma_z_matrix  A,
magma_z_matrix  b,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Reads in an Incomplete LU preconditioner.

Parameters
[in]Amagma_z_matrix input matrix A
[in]bmagma_z_matrix input RHS b
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_ziterictsetup ( magma_z_matrix  A,
magma_z_matrix  b,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the iterative threshold Incomplete Cholesky preconditioner.

This function requires OpenMP, and is only available if OpenMP is activated.

Parameters
[in]Amagma_z_matrix input matrix A
[in]bmagma_z_matrix input RHS b
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_ziterilusetup ( magma_z_matrix  A,
magma_z_matrix  b,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the ILU preconditioner via the iterative ILU iteration.

Parameters
[in]Amagma_z_matrix input matrix A
[in]bmagma_z_matrix input RHS b
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.