Functions
magma_int_t	magma_scumiccsetup (magma_s_matrix A, magma_s_preconditioner *precond, magma_queue_t queue)
	Prepares the IC preconditioner via cuSPARSE. More...

magma_int_t	magma_scumicgeneratesolverinfo (magma_s_preconditioner *precond, magma_queue_t queue)
	Prepares the IC preconditioner solverinfo via cuSPARSE for a triangular matrix present on the device in precond->M. More...

magma_int_t	magma_sapplycumicc_l (magma_s_matrix b, magma_s_matrix x, magma_s_preconditioner precond, magma_queue_t queue)
	Performs the left triangular solves using the ICC preconditioner. More...

magma_int_t	magma_sapplycumicc_r (magma_s_matrix b, magma_s_matrix x, magma_s_preconditioner precond, magma_queue_t queue)
	Performs the right triangular solves using the ICC preconditioner. More...

magma_int_t	magma_spariluupdate (magma_s_matrix A, magma_s_preconditioner *precond, magma_int_t updates, magma_queue_t queue)
	Updates an existing preconditioner via additional iterative ILU sweeps for previous factorization initial guess (PFIG). More...

magma_int_t	magma_sparicsetup (magma_s_matrix A, magma_s_matrix b, magma_s_preconditioner *precond, magma_queue_t queue)
	Prepares the IC preconditioner via the iterative IC iteration. More...

magma_int_t	magma_sparicupdate (magma_s_matrix A, magma_s_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). More...

Detailed Description

Function Documentation

magma_int_t magma_scumiccsetup	(	magma_s_matrix	A,
		magma_s_preconditioner *	precond,
		magma_queue_t	queue
	)

Prepares the IC preconditioner via cuSPARSE.

Parameters

[in]	A	magma_s_matrix input matrix A
[in,out]	precond	magma_s_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_int_t magma_scumicgeneratesolverinfo	(	magma_s_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_s_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_int_t magma_sapplycumicc_l	(	magma_s_matrix	b,
		magma_s_matrix *	x,
		magma_s_preconditioner *	precond,
		magma_queue_t	queue
	)

Performs the left triangular solves using the ICC preconditioner.

Parameters

[in]	b	magma_s_matrix RHS
[in,out]	x	magma_s_matrix* vector to precondition
[in,out]	precond	magma_s_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_int_t magma_sapplycumicc_r	(	magma_s_matrix	b,
		magma_s_matrix *	x,
		magma_s_preconditioner *	precond,
		magma_queue_t	queue
	)

Performs the right triangular solves using the ICC preconditioner.

Parameters

[in]	b	magma_s_matrix RHS
[in,out]	x	magma_s_matrix* vector to precondition
[in,out]	precond	magma_s_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_int_t magma_spariluupdate	(	magma_s_matrix	A,
		magma_s_preconditioner *	precond,
		magma_int_t	updates,
		magma_queue_t	queue
	)

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

See Anzt et al., Parallel Computing, 2015.

Parameters

[in]	A	magma_s_matrix input matrix A, current target system
[in]	precond	magma_s_preconditioner* preconditioner parameters
[in]	updates	magma_int_t number of updates
[in]	queue	magma_queue_t Queue to execute in.

magma_int_t magma_sparicsetup	(	magma_s_matrix	A,
		magma_s_matrix	b,
		magma_s_preconditioner *	precond,
		magma_queue_t	queue
	)

Prepares the IC preconditioner via the iterative IC iteration.

Parameters

[in]	A	magma_s_matrix input matrix A
[in]	b	magma_s_matrix input RHS b
[in,out]	precond	magma_s_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_int_t magma_sparicupdate	(	magma_s_matrix	A,
		magma_s_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]	A	magma_s_matrix input matrix A, current target system
[in]	precond	magma_s_preconditioner* preconditioner parameters
[in]	updates	magma_int_t number of updates
[in]	queue	magma_queue_t Queue to execute in.