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_zpariluupdate (magma_z_matrix A, magma_z_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).
magma_int_t	magma_zparicsetup (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_zparicupdate (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).

Detailed Description

Function Documentation

magma_zcumiccsetup()

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_zcumicgeneratesolverinfo()

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_zapplycumicc_l()

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_zapplycumicc_r()

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_zpariluupdate()

magma_int_t magma_zpariluupdate	(	magma_z_matrix	A,
		magma_z_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_z_matrix input matrix A, current target system
[in]	precond	magma_z_preconditioner* preconditioner parameters
[in]	updates	magma_int_t number of updates
[in]	queue	magma_queue_t Queue to execute in.

magma_zparicsetup()

magma_int_t magma_zparicsetup	(	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]	b	magma_z_matrix input RHS b
[in,out]	precond	magma_z_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_zparicupdate()

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