Defines a communication avoiding Conjugate Gradient method. More...

Data Types
type	cacg_t
	S-step communication avoiding preconditioned conjugate gradient method. More...

Functions/Subroutines
subroutine	cacg_init (this, n, max_iter, M, s, rel_tol, abs_tol)
	Initialise a s-step CA PCG solver. More...

subroutine	cacg_free (this)
	Deallocate a s-step CA PCG solver. More...

type(ksp_monitor_t) function	cacg_solve (this, Ax, x, f, n, coef, blst, gs_h, niter)
	S-step CA PCG solve. More...

subroutine	construct_basis_matrix (Tt, s)
	Monomial matrix constuction, not sparse. More...

Detailed Description

Defines a communication avoiding Conjugate Gradient method.

Function/Subroutine Documentation

subroutine cacg::cacg_free ( class(cacg_t), intent(inout) this )

private

Deallocate a s-step CA PCG solver.

Definition at line 104 of file cacg.f90.

subroutine cacg::cacg_init	(	class(cacg_t), intent(inout)	this,
		integer, intent(in)	n,
		integer, intent(in)	max_iter,
		class(pc_t), intent(inout), optional, target	M,
		integer, intent(inout), optional	s,
		real(kind=rp), intent(inout), optional	rel_tol,
		real(kind=rp), intent(inout), optional	abs_tol
	)

Initialise a s-step CA PCG solver.

Definition at line 65 of file cacg.f90.

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type(ksp_monitor_t) function cacg::cacg_solve	(	class(cacg_t), intent(inout)	this,
		class(ax_t), intent(inout)	Ax,
		type(field_t), intent(inout)	x,
		real(kind=rp), dimension(n), intent(inout)	f,
		integer, intent(in)	n,
		type(coef_t), intent(inout)	coef,
		type(bc_list_t), intent(inout)	blst,
		type(gs_t), intent(inout)	gs_h,
		integer, intent(in), optional	niter
	)

private

S-step CA PCG solve.

Definition at line 127 of file cacg.f90.

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subroutine cacg::construct_basis_matrix	(	real(kind=rp), dimension(4s+1,4s+1), intent(inout)	Tt,
		integer, intent(in)	s
	)

private

Monomial matrix constuction, not sparse.

Definition at line 324 of file cacg.f90.

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