pselinv.hpp File Reference

Main file for parallel selected inversion. More...

#include "pexsi/environment.hpp"
#include "pexsi/NumVec.hpp"
#include "pexsi/NumMat.hpp"
#include "pexsi/sparse_matrix.hpp"
#include "pexsi/superlu_dist_interf.hpp"
#include "pexsi/mpi_interf.hpp"
#include "pexsi/utility.hpp"
#include "pexsi/blas.hpp"
#include "pexsi/lapack.hpp"
#include "pexsi/TreeBcast.hpp"
#include <set>
#include "pexsi/pselinv_impl.hpp"

Go to the source code of this file.

Classes
struct	PEXSI::ULComparator
struct	PEXSI::PSelInvOptions
	A thin interface for passing parameters to set the PSelInv options. More...
struct	PEXSI::FactorizationOptions
	A thin interface for passing parameters to set the Factorization options. More...
struct	PEXSI::GridType
	GridType is the PSelInv way of defining the grid. More...
struct	PEXSI::SuperNodeType
	SuperNodeType describes mapping between supernode and column, the permutation information, and potentially the elimination tree (not implemented here). More...
struct	PEXSI::LBlock< T >
	LBlock stores a nonzero block in the lower triangular part or the diagonal part in PSelInv. More...
struct	PEXSI::UBlock< T >
	UBlock stores a nonzero block in the upper triangular part in PSelInv. More...
class	PEXSI::PMatrix< T >
	PMatrix contains the main data structure and the computational routine for the parallel selected inversion. More...
struct	PEXSI::PMatrix< T >::SuperNodeBufferType
class	PEXSI::PMatrixUnsym< T >
	PMatrixUnsym contains the main data structure and the computational routine for the parallel selected inversion. More...

Namespaces
	PEXSI
	The main namespace.
	LBlockMask
	LBlockMask allows one to compress the selected data in LBlock used for communication.
	UBlockMask
	UBlockMask allows one to compress the selected data in UBlock used for communication.

Macros
#define	IDX_TO_TAG(lidx, tag, max)   ((SELINV_TAG_COUNT*(lidx%(max+1))+(tag)))
#define	IDX_TO_TAG2(sidx, lidx, tag)   (SELINV_TAG_COUNT*(sidx)+(tag))
#define	TAG_TO_IDX(tag, typetag)   (((tag)-(typetag))/SELINV_TAG_COUNT)

Typedefs
typedef std::vector< bool >	PEXSI::bitMask
typedef std::map< bitMask, std::vector< Int > >	PEXSI::bitMaskSet

Enumerations
enum	MSGTYPE {   LSIZE =0, LROWSIZE, USIZE, UCOLSIZE,   LCONTENT, LROWCONTENT, UCONTENT, UCOLCONTENT,   MSGCOUNT }
enum	{   BLOCKIDX, NUMROW, NUMCOL, ROWS,   NZVAL, TOTAL_NUMBER }
enum	{   BLOCKIDX, NUMROW, NUMCOL, COLS,   NZVAL, TOTAL_NUMBER }

Functions
Int	PEXSI::MYPROC (const GridType *g)
	MYPROC returns the current processor rank.
Int	PEXSI::MYROW (const GridType *g)
	MYROW returns my processor row.
Int	PEXSI::MYCOL (const GridType *g)
	MYCOL returns my processor column.
Int	PEXSI::PROW (Int bnum, const GridType *g)
	PROW returns the processor row that the bnum-th block (supernode) belongs to.
Int	PEXSI::PCOL (Int bnum, const GridType *g)
	PCOL returns the processor column that the bnum-th block (supernode) belongs to.
Int	PEXSI::PNUM (Int i, Int j, const GridType *g)
	PNUM returns the processor rank that the bnum-th block (supernode) belongs to.
Int	PEXSI::LBi (Int bnum, const GridType *g)
	LBi returns the local block number on the processor at processor row PROW( bnum, g ).
Int	PEXSI::LBj (Int bnum, const GridType *g)
	LBj returns the local block number on the processor at processor column PCOL( bnum, g ).
Int	PEXSI::GBi (Int iLocal, const GridType *g)
	GBi returns the global block number from a local block number in the row direction.
Int	PEXSI::GBj (Int jLocal, const GridType *g)
	GBj returns the global block number from a local block number in the column direction.
Int	PEXSI::CEILING (Int a, Int b)
	CEILING is used for computing the storage space for local number of blocks.
Int	PEXSI::BlockIdx (Int i, const SuperNodeType *s)
	BlockIdx returns the block index of a column i.
Int	PEXSI::FirstBlockCol (Int bnum, const SuperNodeType *s)
	FirstBlockCol returns the first column of a block bnum.
Int	PEXSI::FirstBlockRow (Int bnum, const SuperNodeType *s)
	FirstBlockRow returns the first column of a block bnum. Note: the functionality of FirstBlockRow is exactly the same as in FirstBlockCol.
Int	PEXSI::SuperSize (Int bnum, const SuperNodeType *s)
	SuperSize returns the size of the block bnum.
Int	PEXSI::NumSuper (const SuperNodeType *s)
	NumSuper returns the total number of supernodes.
Int	PEXSI::NumCol (const SuperNodeType *s)
	NumCol returns the total number of columns for a supernodal partiiton.
template<typename T >
Int	PEXSI::serialize (LBlock< T > &val, std::ostream &os, const std::vector< Int > &mask)
template<typename T >
Int	PEXSI::deserialize (LBlock< T > &val, std::istream &is, const std::vector< Int > &mask)
template<typename T >
Int	PEXSI::serialize (UBlock< T > &val, std::ostream &os, const std::vector< Int > &mask)
template<typename T >
Int	PEXSI::deserialize (UBlock< T > &val, std::istream &is, const std::vector< Int > &mask)

Detailed Description

Main file for parallel selected inversion.

Date

2013-08-05