Aqua::MPI Namespace Reference

Functions
void	error_handler (MPI_Comm UNUSED_PARAM *comm, int *err,...)
std::string	error_str (int errorcode)
	Wrapper for MPI_Error_string()
void	init (int *argc, char ***argv)
	Wrapper for MPI_Init()
void	finalize ()
	Wrapper for MPI_Finalize()
int	rank (MPI_Comm comm)
	Wrapper for MPI_Comm_rank()
int	size (MPI_Comm comm)
	Wrapper for MPI_Comm_size()
void	barrier (MPI_Comm comm)
	Wrapper for MPI_Barrier()
void	send (const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
	Wrapper for MPI_Send()
MPI_Request	isend (const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
	Wrapper for MPI_Isend()
MPI_Status	recv (void *buf, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm)
	Wrapper for MPI_Recv()
MPI_Request	irecv (void *buf, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm)
	Wrapper for MPI_Irecv()
MPI_Status	wait (MPI_Request *request)
	Wrapper for MPI_Wait()

Function Documentation

barrier()

DECLDIR void Aqua::MPI::barrier

(

MPI_Comm

comm

)

Wrapper for MPI_Barrier()

Parameters

comm	Communicator

Exceptions

std::runtime_error

If MPI errors are detected

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error_handler()

void Aqua::MPI::error_handler	(	MPI_Comm UNUSED_PARAM *	comm,
		int *	err,
			... )

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error_str()

std::string Aqua::MPI::error_str

(

int

errorcode

)

Wrapper for MPI_Error_string()

Parameters

errorcode

Error code returned by an MPI routine or an MPI error class

Returns

Text that corresponds to the errorcode

finalize()

DECLDIR void Aqua::MPI::finalize

(

)

Wrapper for MPI_Finalize()

Exceptions

std::runtime_error

If MPI errors are detected

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init()

DECLDIR void Aqua::MPI::init	(	int *	argc,
		char ***	argv )

Wrapper for MPI_Init()

Parameters

argc	Pointer to the number of arguments
argv	Argument vector

Exceptions

std::runtime_error

If MPI errors are detected

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irecv()

MPI_Request Aqua::MPI::irecv	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm )

Wrapper for MPI_Irecv()

Parameters

buf	Initial address of receive buffer
count	Number of elements in receive buffer
datatype	Datatype of each receive buffer element
source	Rank of source
tag	Message tag
comm	Communicator

Returns

Communication request

Exceptions

std::runtime_error

If MPI errors are detected

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isend()

MPI_Request Aqua::MPI::isend	(	const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm )

Wrapper for MPI_Isend()

Parameters

buf	Initial address of send buffer
count	Number of elements in send buffer
datatype	Datatype of each send buffer element
dest	Rank of destination
tag	Message tag
comm	Communicator

Returns

Communication request

Exceptions

std::runtime_error

If MPI errors are detected

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rank()

int Aqua::MPI::rank

(

MPI_Comm

comm

)

Wrapper for MPI_Comm_rank()

Parameters

comm	Communicator

Returns

Rank of the calling process in group of comm

Exceptions

std::runtime_error

If MPI errors are detected

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recv()

MPI_Status Aqua::MPI::recv	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm )

Wrapper for MPI_Recv()

Parameters

buf	Initial address of receive buffer
count	Number of elements in receive buffer
datatype	Datatype of each receive buffer element
source	Rank of source
tag	Message tag
comm	Communicator

Returns

Status object

Exceptions

std::runtime_error

If MPI errors are detected

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send()

void Aqua::MPI::send	(	const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm )

Wrapper for MPI_Send()

Parameters

buf	Initial address of send buffer
count	Number of elements in send buffer
datatype	Datatype of each send buffer element
dest	Rank of destination
tag	Message tag
comm	Communicator

Exceptions

std::runtime_error

If MPI errors are detected

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size()

int Aqua::MPI::size

(

MPI_Comm

comm

)

Wrapper for MPI_Comm_size()

Parameters

comm	Communicator

Returns

Number of processes in the group of comm

Exceptions

std::runtime_error

If MPI errors are detected

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wait()

MPI_Status Aqua::MPI::wait

(

MPI_Request *

request

)

Wrapper for MPI_Wait()

Parameters

request

Request

Returns

Status object

Exceptions

std::runtime_error

If MPI errors are detected

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