spike Namespace Reference

spike is the top-level namespace which contains all Spike functions and types. More...

Namespaces
	device
	spike::device contains all CUDA kernels.

Classes
struct	IsEqualTo
struct	Components
class	system_error
class	Dijkstra
class	Node
class	EdgeT
class	Graph
class	Monitor
class	Precond
	Spike preconditioner. More...
struct	Multiply
struct	SmallerThan
struct	Options
	Input solver options. More...
struct	Stats
	Output solver statistics. More...
class	Solver
	Main SPIKE::GPU solver. More...
class	SpmvCusp
	Default SPMV functor class. More...
class	strided_range
class	Timer
	Base timer class. More...
class	GPUTimer
	GPU timer. More...
class	CPUTimer
	CPU timer. More...

Typedefs
typedef cusp::array1d< int, cusp::host_memory >	IntVectorH

Enumerations
enum	KrylovSolverType { BiCGStab, BiCGStab2 }
enum	FactorizationMethod { LU_UL, LU_only }
enum	PreconditionerType { Spike, Block }

Functions
template<typename SolverVector , typename PrecVector , typename IntVector >
void	precondSolveWrapper (SolverVector &rhs, SolverVector &sol, std::vector< Precond< PrecVector > * > &precond_pointers, IntVector &compIndices, IntVector &comp_perms, std::vector< IntVector > &comp_reorderings)
template<typename SpmvOperator , typename SolverVector , typename PrecVector , int L>
void	bicgstabl (SpmvOperator &spmv, const SolverVector &b, SolverVector &x, Monitor< SolverVector > &monitor, std::vector< Precond< PrecVector > * > &precond_pointers, IntVectorH &compIndices, IntVectorH &comp_perms, std::vector< IntVectorH > &comp_reorderings)
	Preconditioned BiCGStab(L) Krylov method. More...
template<typename SpmvOperator , typename SolverVector , typename PrecVector >
void	bicgstab2 (SpmvOperator &spmv, const SolverVector &b, SolverVector &x, Monitor< SolverVector > &monitor, std::vector< Precond< PrecVector > * > &precond_pointers, IntVectorH &compIndices, IntVectorH &comp_perms, std::vector< IntVectorH > &comp_reorderings)
	Specializations of the generic spike::bicgstabl function for L=2. More...
template<typename SpmvOperator , typename SolverVector , typename PrecVector >
void	bicgstab4 (SpmvOperator &spmv, const SolverVector &b, SolverVector &x, Monitor< SolverVector > &monitor, std::vector< Precond< PrecVector > * > &precond_pointers, IntVectorH &compIndices, IntVectorH &comp_perms, std::vector< IntVectorH > &comp_reorderings)
	Specializations of the generic spike::bicgstabl function for L=4. More...
void	kernelConfigAdjust (int &numThreads, int &numBlockX, const int numThreadsMax)
void	kernelConfigAdjust (int &numThreads, int &numBlockX, int &numBlockY, const int numThreadsMax, const int numBlockXMax)

Variables
const unsigned int	BLOCK_SIZE = 512
const unsigned int	MAX_GRID_DIMENSION = 32768
const unsigned int	CRITICAL_THRESHOLD = 70

Detailed Description

spike is the top-level namespace which contains all Spike functions and types.

Typedef Documentation

typedef cusp::array1d<int, cusp::host_memory> spike::IntVectorH

Enumeration Type Documentation

enum spike::FactorizationMethod

Enumerator
LU_UL
LU_only

enum spike::KrylovSolverType

Enumerator
BiCGStab
BiCGStab2

enum spike::PreconditionerType

Enumerator
Spike
Block

Function Documentation

template<typename SpmvOperator , typename SolverVector , typename PrecVector >

void spike::bicgstab2	(	SpmvOperator &	spmv,
		const SolverVector &	b,
		SolverVector &	x,
		Monitor< SolverVector > &	monitor,
		std::vector< Precond< PrecVector > * > &	precond_pointers,
		IntVectorH &	compIndices,
		IntVectorH &	comp_perms,
		std::vector< IntVectorH > &	comp_reorderings
	)

Specializations of the generic spike::bicgstabl function for L=2.

template<typename SpmvOperator , typename SolverVector , typename PrecVector >

void spike::bicgstab4	(	SpmvOperator &	spmv,
		const SolverVector &	b,
		SolverVector &	x,
		Monitor< SolverVector > &	monitor,
		std::vector< Precond< PrecVector > * > &	precond_pointers,
		IntVectorH &	compIndices,
		IntVectorH &	comp_perms,
		std::vector< IntVectorH > &	comp_reorderings
	)

Specializations of the generic spike::bicgstabl function for L=4.

template<typename SpmvOperator , typename SolverVector , typename PrecVector , int L>

void spike::bicgstabl	(	SpmvOperator &	spmv,
		const SolverVector &	b,
		SolverVector &	x,
		Monitor< SolverVector > &	monitor,
		std::vector< Precond< PrecVector > * > &	precond_pointers,
		IntVectorH &	compIndices,
		IntVectorH &	comp_perms,
		std::vector< IntVectorH > &	comp_reorderings
	)

Preconditioned BiCGStab(L) Krylov method.

Template Parameters

SpmvOperator	is a functor class for sparse matrix-vector product.
SolverVector	is the vector type for the linear system solution.
PrecVector	is the vector type used in the preconditioner.
L	is the degree of the BiCGStab(L) method.

void spike::kernelConfigAdjust ( int &  numThreads, int &  numBlockX, const int  numThreadsMax  )

inline

void spike::kernelConfigAdjust ( int &  numThreads, int &  numBlockX, int &  numBlockY, const int  numThreadsMax, const int  numBlockXMax  )

inline

template<typename SolverVector , typename PrecVector , typename IntVector >

void spike::precondSolveWrapper	(	SolverVector &	rhs,
		SolverVector &	sol,
		std::vector< Precond< PrecVector > * > &	precond_pointers,
		IntVector &	compIndices,
		IntVector &	comp_perms,
		std::vector< IntVector > &	comp_reorderings
	)

Variable Documentation

const unsigned int spike::BLOCK_SIZE = 512

const unsigned int spike::CRITICAL_THRESHOLD = 70

const unsigned int spike::MAX_GRID_DIMENSION = 32768