This class wraps/extends the MPI interface for World. More...

#include <worldmpi.h>

Inheritance diagram for madness::WorldMpiInterface:

Collaboration diagram for madness::WorldMpiInterface:

Public Member Functions
	WorldMpiInterface (const SafeMPI::Intracomm &comm)

	~WorldMpiInterface ()

SafeMPI::Intracomm &	comm ()
	Returns the associated SafeMPI communicator. More...

template<typename T >
madness::disable_if < std::is_pointer< T > , SafeMPI::Request >::type	Isend (const T &datum, int dest, int tag=SafeMPI::DEFAULT_SEND_RECV_TAG) const
	Isend one element ... disabled for pointers to reduce accidental misuse. More...

template<typename T >
SafeMPI::Request	Irecv (T *buf, int count, int source, int tag=SafeMPI::DEFAULT_SEND_RECV_TAG) const
	Async receive data of up to lenbuf elements from process dest. More...

template<typename T >
madness::disable_if < std::is_pointer< T > , SafeMPI::Request >::type	Irecv (T &buf, int source, int tag=SafeMPI::DEFAULT_SEND_RECV_TAG) const
	Async receive datum from process dest with default tag=1. More...

template<class T >
void	Send (const T *buf, long lenbuf, int dest, int tag=SafeMPI::DEFAULT_SEND_RECV_TAG) const
	Send array of lenbuf elements to process dest. More...

template<typename T >
madness::disable_if < std::is_pointer< T >, void > ::type	Send (const T &datum, int dest, int tag=SafeMPI::DEFAULT_SEND_RECV_TAG) const
	Send element to process dest with default tag=1001. More...

template<typename T >
void	Recv (T *buf, long lenbuf, int src, int tag) const
	Receive data of up to lenbuf elements from process dest. More...

template<typename T >
void	Recv (T *buf, long lenbuf, int src, int tag, SafeMPI::Status &status) const
	Receive data of up to lenbuf elements from process dest with status. More...

template<typename T >
madness::disable_if < std::is_pointer< T >, void > ::type	Recv (T &buf, int src, int tag=SafeMPI::DEFAULT_SEND_RECV_TAG) const
	Receive datum from process src. More...

template<typename T >
void	Bcast (T *buffer, int count, int root) const
	MPI broadcast an array of count elements. More...

template<typename T >
madness::disable_if < std::is_pointer< T >, void > ::type	Bcast (T &buffer, int root) const
	MPI broadcast a datum. More...

int	rank () const

int	nproc () const

int	size () const

Public Member Functions inherited from SafeMPI::Intracomm
	Intracomm (const WorldInitObject &)

	Intracomm (const MPI_Comm &comm, bool take_ownership_of_comm=true)

	Intracomm (const Intracomm &other)

	~Intracomm ()

Intracomm	Create (Group group) const

bool	operator== (const Intracomm &other) const

Group	Get_group () const

MPI_Comm &	Get_mpi_comm () const

int	Get_rank () const

int	Get_size () const

Request	Isend (const void *buf, const int count, const MPI_Datatype datatype, const int dest, const int tag) const

Request	Irecv (void *buf, const int count, const MPI_Datatype datatype, const int src, const int tag) const

void	Send (const void *buf, const int count, const MPI_Datatype datatype, int dest, int tag) const

void	Recv (void *buf, const int count, const MPI_Datatype datatype, const int source, const int tag, MPI_Status &status) const

void	Recv (void *buf, const int count, const MPI_Datatype datatype, const int source, const int tag) const

void	Bcast (void *buf, size_t count, const MPI_Datatype datatype, const int root) const

void	Reduce (const void sendbuf, void recvbuf, const int count, const MPI_Datatype datatype, const MPI_Op op, const int root) const

void	Allreduce (const void sendbuf, void recvbuf, const int count, const MPI_Datatype datatype, const MPI_Op op) const

bool	Get_attr (int key, void *value) const

void	Abort (int code=1) const

void	Barrier () const

int	unique_tag ()
	Returns a unique tag for temporary use (1023<tag<=4095) More...

int	unique_reserved_tag ()
	Returns a unique tag reserved for long-term use (0<tag<1000) More...

void	binary_tree_info (int root, int &parent, int &child0, int &child1)
	Construct info about a binary tree with given root. More...

Detailed Description

This class wraps/extends the MPI interface for World.

Constructor & Destructor Documentation

madness::WorldMpiInterface::WorldMpiInterface ( const SafeMPI::Intracomm & comm )

inline

References SafeMPI::Intracomm::Intracomm().

madness::WorldMpiInterface::~WorldMpiInterface ( )

inline

Member Function Documentation

template<typename T >

void madness::WorldMpiInterface::Bcast	(	T *	buffer,
		int	count,
		int	root
	)		const

inline

MPI broadcast an array of count elements.

NB. Read documentation about interaction of MPI collectives and AM/task handling.

References SafeMPI::Intracomm::Bcast(), MPI_BYTE, and std::tr1::T().

template<typename T >

madness::disable_if<std::is_pointer<T>, void>::type madness::WorldMpiInterface::Bcast	(	T &	buffer,
		int	root
	)		const

inline

MPI broadcast a datum.

NB. Read documentation about interaction of MPI collectives and AM/task handling.

References SafeMPI::Intracomm::Bcast(), MPI_BYTE, and std::tr1::T().

SafeMPI::Intracomm& madness::WorldMpiInterface::comm ( )

inline

Returns the associated SafeMPI communicator.

Referenced by madness::WorldAmInterface::WorldAmInterface().

template<typename T >

SafeMPI::Request madness::WorldMpiInterface::Irecv	(	T *	buf,
		int	count,
		int	source,
		int	tag = `SafeMPI::DEFAULT_SEND_RECV_TAG`
	)		const

inline

Async receive data of up to lenbuf elements from process dest.

References SafeMPI::Intracomm::Irecv(), MPI_BYTE, and std::tr1::T().

Referenced by madness::WorldGopInterface::broadcast(), and madness::WorldGopInterface::fence().

template<typename T >

madness::disable_if<std::is_pointer<T>, SafeMPI::Request>::type madness::WorldMpiInterface::Irecv	(	T &	buf,
		int	source,
		int	tag = `SafeMPI::DEFAULT_SEND_RECV_TAG`
	)		const

inline

Async receive datum from process dest with default tag=1.

References SafeMPI::Intracomm::Irecv(), MPI_BYTE, and std::tr1::T().

template<typename T >

madness::disable_if<std::is_pointer<T>, SafeMPI::Request>::type madness::WorldMpiInterface::Isend	(	const T &	datum,
		int	dest,
		int	tag = `SafeMPI::DEFAULT_SEND_RECV_TAG`
	)		const

inline

Isend one element ... disabled for pointers to reduce accidental misuse.

References SafeMPI::Intracomm::Isend(), MPI_BYTE, and std::tr1::T().

Referenced by madness::WorldGopInterface::broadcast(), and madness::WorldGopInterface::fence().

int madness::WorldMpiInterface::nproc ( ) const

inline

References SafeMPI::Intracomm::Get_size().

Referenced by madness::World::nproc().

int madness::WorldMpiInterface::rank ( ) const

inline

References SafeMPI::Intracomm::Get_rank().

Referenced by madness::World::rank(), and madness::redirectio().

template<typename T >

void madness::WorldMpiInterface::Recv	(	T *	buf,
		long	lenbuf,
		int	src,
		int	tag
	)		const

inline

Receive data of up to lenbuf elements from process dest.

References MPI_BYTE, SafeMPI::Intracomm::Recv(), and std::tr1::T().

Referenced by madness::archive::MPIRawInputArchive::load(), madness::archive::MPIInputArchive::load(), and madness::archive::ArchiveStoreImpl< ParallelOutputArchive, WorldContainer< keyT, valueT > >::store().

template<typename T >

void madness::WorldMpiInterface::Recv	(	T *	buf,
		long	lenbuf,
		int	src,
		int	tag,
		SafeMPI::Status &	status
	)		const

inline

Receive data of up to lenbuf elements from process dest with status.

References MPI_BYTE, SafeMPI::Intracomm::Recv(), and std::tr1::T().

template<typename T >

madness::disable_if<std::is_pointer<T>, void>::type madness::WorldMpiInterface::Recv	(	T &	buf,
		int	src,
		int	tag = `SafeMPI::DEFAULT_SEND_RECV_TAG`
	)		const

inline

Receive datum from process src.

References MPI_BYTE, SafeMPI::Intracomm::Recv(), and std::tr1::T().

template<class T >

void madness::WorldMpiInterface::Send	(	const T *	buf,
		long	lenbuf,
		int	dest,
		int	tag = `SafeMPI::DEFAULT_SEND_RECV_TAG`
	)		const

inline

Send array of lenbuf elements to process dest.

References MPI_BYTE, SafeMPI::Intracomm::Send(), and std::tr1::T().

Referenced by madness::archive::MPIOutputArchive::flush(), madness::archive::MPIRawOutputArchive::store(), and madness::archive::ArchiveStoreImpl< ParallelOutputArchive, WorldContainer< keyT, valueT > >::store().

template<typename T >

madness::disable_if<std::is_pointer<T>, void>::type madness::WorldMpiInterface::Send	(	const T &	datum,
		int	dest,
		int	tag = `SafeMPI::DEFAULT_SEND_RECV_TAG`
	)		const

inline

Send element to process dest with default tag=1001.

Disabled for pointers to reduce accidental misuse.

References MPI_BYTE, SafeMPI::Intracomm::Send(), and std::tr1::T().

int madness::WorldMpiInterface::size ( ) const

inline

References SafeMPI::Intracomm::Get_size().

Referenced by madness::World::size().

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

worldmpi.h

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation