Neko 0.9.99
A portable framework for high-order spectral element flow simulations
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cg_device Module Reference

Defines various Conjugate Gradient methods for accelerators.

Data Types

type  cg_device_t
 Device based preconditioned conjugate gradient method. More...
 

Functions/Subroutines

subroutine cg_device_init (this, n, max_iter, m, rel_tol, abs_tol, monitor)
 Initialise a device based PCG solver.
 
subroutine cg_device_free (this)
 Deallocate a device based PCG solver.
 
type(ksp_monitor_t) function cg_device_solve (this, ax, x, f, n, coef, blst, gs_h, niter)
 Standard PCG solve.
 
type(ksp_monitor_t) function, dimension(3) cg_device_solve_coupled (this, ax, x, y, z, fx, fy, fz, n, coef, blstx, blsty, blstz, gs_h, niter)
 Standard PCG coupled solve.
 

Function/Subroutine Documentation

◆ cg_device_free()

subroutine cg_device::cg_device_free ( class(cg_device_t), intent(inout this)

Definition at line 117 of file cg_device.f90.

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◆ cg_device_init()

subroutine cg_device::cg_device_init ( class(cg_device_t), intent(inout this,
integer, intent(in n,
integer, intent(in max_iter,
class(pc_t), intent(in), optional, target  m,
real(kind=rp), intent(in), optional  rel_tol,
real(kind=rp), intent(in), optional  abs_tol,
logical, intent(in), optional  monitor 
)

Definition at line 70 of file cg_device.f90.

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◆ cg_device_solve()

type(ksp_monitor_t) function cg_device::cg_device_solve ( class(cg_device_t), intent(inout this,
class(ax_t), intent(in ax,
type(field_t), intent(inout x,
real(kind=rp), dimension(n), intent(in 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 
)

Definition at line 163 of file cg_device.f90.

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◆ cg_device_solve_coupled()

type(ksp_monitor_t) function, dimension(3) cg_device::cg_device_solve_coupled ( class(cg_device_t), intent(inout this,
class(ax_t), intent(in ax,
type(field_t), intent(inout x,
type(field_t), intent(inout y,
type(field_t), intent(inout z,
real(kind=rp), dimension(n), intent(in fx,
real(kind=rp), dimension(n), intent(in fy,
real(kind=rp), dimension(n), intent(in fz,
integer, intent(in n,
type(coef_t), intent(inout coef,
type(bc_list_t), intent(inout blstx,
type(bc_list_t), intent(inout blsty,
type(bc_list_t), intent(inout blstz,
type(gs_t), intent(inout gs_h,
integer, intent(in), optional  niter 
)

Definition at line 238 of file cg_device.f90.