double precision

Functions
magma_int_t	magma_dcumiccsetup (magma_d_matrix A, magma_d_preconditioner *precond, magma_queue_t queue)
	Prepares the IC preconditioner via cuSPARSE.
magma_int_t	magma_dcumicgeneratesolverinfo (magma_d_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_dapplycumicc_l (magma_d_matrix b, magma_d_matrix *x, magma_d_preconditioner *precond, magma_queue_t queue)
	Performs the left triangular solves using the ICC preconditioner.
magma_int_t	magma_dapplycumicc_r (magma_d_matrix b, magma_d_matrix *x, magma_d_preconditioner *precond, magma_queue_t queue)
	Performs the right triangular solves using the ICC preconditioner.
magma_int_t	magma_dpariluupdate (magma_d_matrix A, magma_d_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_dparicsetup (magma_d_matrix A, magma_d_matrix b, magma_d_preconditioner *precond, magma_queue_t queue)
	Prepares the IC preconditioner via the iterative IC iteration.
magma_int_t	magma_dparicupdate (magma_d_matrix A, magma_d_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_dcumiccsetup()

magma_int_t magma_dcumiccsetup	(	magma_d_matrix	A,
		magma_d_preconditioner *	precond,
		magma_queue_t	queue )

Prepares the IC preconditioner via cuSPARSE.

Parameters

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

magma_dcumicgeneratesolverinfo()

magma_int_t magma_dcumicgeneratesolverinfo	(	magma_d_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_d_preconditioner* preconditioner parameters
[in]	queue	magma_queue_t Queue to execute in.

magma_dapplycumicc_l()

magma_int_t magma_dapplycumicc_l	(	magma_d_matrix	b,
		magma_d_matrix *	x,
		magma_d_preconditioner *	precond,
		magma_queue_t	queue )

Performs the left triangular solves using the ICC preconditioner.

Parameters

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

magma_dapplycumicc_r()

magma_int_t magma_dapplycumicc_r	(	magma_d_matrix	b,
		magma_d_matrix *	x,
		magma_d_preconditioner *	precond,
		magma_queue_t	queue )

Performs the right triangular solves using the ICC preconditioner.

Parameters

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

magma_dpariluupdate()

magma_int_t magma_dpariluupdate	(	magma_d_matrix	A,
		magma_d_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_d_matrix input matrix A, current target system
[in]	precond	magma_d_preconditioner* preconditioner parameters
[in]	updates	magma_int_t number of updates
[in]	queue	magma_queue_t Queue to execute in.

magma_dparicsetup()

magma_int_t magma_dparicsetup	(	magma_d_matrix	A,
		magma_d_matrix	b,
		magma_d_preconditioner *	precond,
		magma_queue_t	queue )

Prepares the IC preconditioner via the iterative IC iteration.

Parameters

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

magma_dparicupdate()

magma_int_t magma_dparicupdate	(	magma_d_matrix	A,
		magma_d_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_d_matrix input matrix A, current target system
[in]	precond	magma_d_preconditioner* preconditioner parameters
[in]	updates	magma_int_t number of updates
[in]	queue	magma_queue_t Queue to execute in.