double-complex precision

Functions

magma_int_t magma_zcumiccsetup (magma_z_matrix A, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the IC preconditioner via cuSPARSE.
magma_int_t magma_zcumicgeneratesolverinfo (magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the IC preconditioner solverinfo via cuSPARSE for a triangular matrix present on the device in precond->M.
magma_int_t magma_zapplycumicc_l (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the left triangular solves using the ICC preconditioner.
magma_int_t magma_zapplycumicc_r (magma_z_matrix b, magma_z_matrix *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the right triangular solves using the ICC preconditioner.
magma_int_t magma_zitericsetup (magma_z_matrix A, magma_z_matrix b, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the IC preconditioner via the iterative IC iteration.
magma_int_t magma_zitericupdate (magma_z_matrix A, magma_z_preconditioner *precond, magma_int_t updates, magma_queue_t queue)
 Updates an existing preconditioner via additional iterative IC sweeps for previous factorization initial guess (PFIG).

Function Documentation

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

Performs the left triangular solves using the ICC preconditioner.

Parameters:
[in] b magma_z_matrix RHS
[in,out] x magma_z_matrix* vector to precondition
[in,out] precond magma_z_preconditioner* preconditioner parameters
[in] queue magma_queue_t Queue to execute in.
magma_int_t magma_zapplycumicc_r ( magma_z_matrix  b,
magma_z_matrix *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the right triangular solves using the ICC preconditioner.

Parameters:
[in] b magma_z_matrix RHS
[in,out] x magma_z_matrix* vector to precondition
[in,out] precond magma_z_preconditioner* preconditioner parameters
[in] queue magma_queue_t Queue to execute in.
magma_int_t magma_zcumiccsetup ( magma_z_matrix  A,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the IC preconditioner via cuSPARSE.

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

Prepares the IC preconditioner solverinfo via cuSPARSE for a triangular matrix present on the device in precond->M.

Parameters:
[in,out] precond magma_z_preconditioner* preconditioner parameters
[in] queue magma_queue_t Queue to execute in.
magma_int_t magma_zitericsetup ( magma_z_matrix  A,
magma_z_matrix  b,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the IC preconditioner via the iterative IC iteration.

Parameters:
[in] A magma_z_matrix input matrix A
[in] out] precond magma_z_preconditioner* preconditioner parameters
[in] queue magma_queue_t Queue to execute in.
magma_int_t magma_zitericupdate ( magma_z_matrix  A,
magma_z_preconditioner *  precond,
magma_int_t  updates,
magma_queue_t  queue 
)

Updates an existing preconditioner via additional iterative IC sweeps for previous factorization initial guess (PFIG).

See Anzt et al., Parallel Computing, 2015.

Parameters:
[in] precond magma_z_preconditioner* preconditioner parameters
[in] magma_int_t number of updates
[in] queue magma_queue_t Queue to execute in.

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