peclet::core::solver::GraphAMGDevice Class Reference

#include <graph_amg_device.hpp>

Classes
struct	DLevel

Public Types
using	DView = View< double >
using	IView = View< Index >

Public Member Functions
void	build (const HostCsrOp &A, const AmgParams &prm={})
	Host setup + one-time device mirror. Rebuild whenever the operator changes.
void	apply (const DView &r, const DView &z) const
	z = M⁻¹ r: one V-cycle (correction scheme) from a zero initial guess. Device views, size n.
int	numLevels () const
Index	size (int L=0) const
const GraphAMG &	hostHierarchy () const
void	mirror ()
void	vcycle (int L) const
void	smooth (const DLevel &lv, int sweeps) const
void	jacobiSweep (const DLevel &lv) const
void	chebSweep (const DLevel &lv) const
void	coarseSolve (const DLevel &lv) const

Static Public Member Functions
template<class T >
static View< T >	toDev (const std::vector< T > &v, const char *name)
static void	spmv (const DLevel &lv, const DView &x, const DView &y)
static double	dot (const DView &a, const DView &b, Index n)

Detailed Description

Definition at line 29 of file graph_amg_device.hpp.

Member Typedef Documentation

DView

using peclet::core::solver::GraphAMGDevice::DView = View<double>

Definition at line 31 of file graph_amg_device.hpp.

IView

using peclet::core::solver::GraphAMGDevice::IView = View<Index>

Definition at line 32 of file graph_amg_device.hpp.

Member Function Documentation

build()

void peclet::core::solver::GraphAMGDevice::build ( const HostCsrOp &  A, const AmgParams &  prm = {}  )

inline

Host setup + one-time device mirror. Rebuild whenever the operator changes.

Definition at line 35 of file graph_amg_device.hpp.

apply()

void peclet::core::solver::GraphAMGDevice::apply ( const DView &  r, const DView &  z  ) const

inline

z = M⁻¹ r: one V-cycle (correction scheme) from a zero initial guess. Device views, size n.

Definition at line 42 of file graph_amg_device.hpp.

References vcycle().

numLevels()

int peclet::core::solver::GraphAMGDevice::numLevels ( ) const

inline

Definition at line 50 of file graph_amg_device.hpp.

size()

Index peclet::core::solver::GraphAMGDevice::size ( int  L = 0 ) const

inline

Definition at line 51 of file graph_amg_device.hpp.

hostHierarchy()

const GraphAMG & peclet::core::solver::GraphAMGDevice::hostHierarchy ( ) const

inline

Definition at line 52 of file graph_amg_device.hpp.

toDev()

template<class T >

static View< T > peclet::core::solver::GraphAMGDevice::toDev ( const std::vector< T > &  v, const char *  name  )

inlinestatic

Definition at line 68 of file graph_amg_device.hpp.

Referenced by mirror().

mirror()

void peclet::core::solver::GraphAMGDevice::mirror ( )

inline

Definition at line 77 of file graph_amg_device.hpp.

References peclet::core::solver::GraphAMG::levels(), peclet::core::solver::GraphAMGDevice::DLevel::n, and toDev().

spmv()

static void peclet::core::solver::GraphAMGDevice::spmv ( const DLevel &  lv, const DView &  x, const DView &  y  )

inlinestatic

Definition at line 130 of file graph_amg_device.hpp.

Referenced by chebSweep(), coarseSolve(), jacobiSweep(), and vcycle().

vcycle()

void peclet::core::solver::GraphAMGDevice::vcycle ( int  L ) const

inline

Definition at line 143 of file graph_amg_device.hpp.

References coarseSolve(), peclet::core::solver::AmgParams::post, peclet::core::solver::AmgParams::pre, smooth(), spmv(), and vcycle().

Referenced by apply(), and vcycle().

smooth()

void peclet::core::solver::GraphAMGDevice::smooth ( const DLevel &  lv, int  sweeps  ) const

inline

Definition at line 187 of file graph_amg_device.hpp.

References peclet::core::solver::AmgParams::chebDegree, chebSweep(), and jacobiSweep().

Referenced by coarseSolve(), and vcycle().

jacobiSweep()

void peclet::core::solver::GraphAMGDevice::jacobiSweep ( const DLevel &  lv ) const

inline

Definition at line 197 of file graph_amg_device.hpp.

References peclet::core::solver::AmgParams::jacobiOmega, and spmv().

Referenced by smooth().

chebSweep()

void peclet::core::solver::GraphAMGDevice::chebSweep ( const DLevel &  lv ) const

inline

Definition at line 206 of file graph_amg_device.hpp.

References peclet::core::solver::AmgParams::chebDegree, and spmv().

Referenced by smooth().

dot()

static double peclet::core::solver::GraphAMGDevice::dot ( const DView &  a, const DView &  b, Index  n  )

inlinestatic

Definition at line 233 of file graph_amg_device.hpp.

Referenced by coarseSolve().

coarseSolve()

void peclet::core::solver::GraphAMGDevice::coarseSolve ( const DLevel &  lv ) const

inline

Definition at line 243 of file graph_amg_device.hpp.

References peclet::core::solver::AmgParams::coarseSweeps, dot(), smooth(), and spmv().

Referenced by vcycle().

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The documentation for this class was generated from the following file:

• graph_amg_device.hpp