fusedcg_device Module Reference

Defines a fused Conjugate Gradient method for accelerators. More...

Data Types
type	fusedcg_device_t
	Fused preconditioned conjugate gradient method. More...
interface	cuda_fusedcg_update_p
interface	cuda_fusedcg_update_x
interface	cuda_fusedcg_part2

Functions/Subroutines
subroutine	device_fusedcg_update_p (p_d, z_d, po_d, beta, n)
subroutine	device_fusedcg_update_x (x_d, p_d, alpha, p_cur, n)
real(kind=rp) function	device_fusedcg_part2 (a_d, b_d, c_d, alpha_d, alpha, p_cur, n)
subroutine	fusedcg_device_init (this, n, max_iter, M, rel_tol, abs_tol)
	Initialise a fused PCG solver. More...
subroutine	fusedcg_device_free (this)
	Deallocate a pipelined PCG solver. More...
type(ksp_monitor_t) function	fusedcg_device_solve (this, Ax, x, f, n, coef, blst, gs_h, niter)
	Pipelined PCG solve. More...

Variables
integer, parameter	device_fusedcg_p_space = 10

Detailed Description

Defines a fused Conjugate Gradient method for accelerators.

Function/Subroutine Documentation

device_fusedcg_part2()

real(kind=rp) function fusedcg_device::device_fusedcg_part2 ( type(c_ptr), value  a_d, type(c_ptr), value  b_d, type(c_ptr), value  c_d, type(c_ptr), value  alpha_d, real(c_rp)  alpha, integer  p_cur, integer  n  )

private

Definition at line 169 of file fusedcg_device.F90.

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device_fusedcg_update_p()

subroutine fusedcg_device::device_fusedcg_update_p ( type(c_ptr), value  p_d, type(c_ptr), value  z_d, type(c_ptr), value  po_d, real(c_rp)  beta, integer(c_int)  n  )

private

Definition at line 144 of file fusedcg_device.F90.

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device_fusedcg_update_x()

subroutine fusedcg_device::device_fusedcg_update_x ( type(c_ptr), value  x_d, type(c_ptr), value  p_d, type(c_ptr), value  alpha, integer(c_int)  p_cur, integer(c_int)  n  )

private

Definition at line 157 of file fusedcg_device.F90.

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fusedcg_device_free()

subroutine fusedcg_device::fusedcg_device_free ( class(fusedcg_device_t), intent(inout)  this )

private

Deallocate a pipelined PCG solver.

Definition at line 247 of file fusedcg_device.F90.

fusedcg_device_init()

subroutine fusedcg_device::fusedcg_device_init ( class(fusedcg_device_t), intent(inout), target  this, integer, intent(in)  n, integer, intent(in)  max_iter, class(pc_t), intent(inout), optional, target  M, real(kind=rp), intent(inout), optional  rel_tol, real(kind=rp), intent(inout), optional  abs_tol  )

private

Initialise a fused PCG solver.

Definition at line 194 of file fusedcg_device.F90.

fusedcg_device_solve()

type(ksp_monitor_t) function fusedcg_device::fusedcg_device_solve ( class(fusedcg_device_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

Pipelined PCG solve.

Definition at line 308 of file fusedcg_device.F90.

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Variable Documentation

device_fusedcg_p_space

integer, parameter fusedcg_device::device_fusedcg_p_space = 10

private

Definition at line 50 of file fusedcg_device.F90.