nm_mpi_p2p.h File Reference

declarations for MPI point to point operations More...

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Functions
Functions: Point-to-point communications
int	MPI_Send (const void *buffer, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
	Performs a standard-mode, blocking send.
int	MPI_Send_c (const void *buffer, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
int	MPI_Isend (const void *buffer, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request)
	Posts a standard-mode, non blocking send.
int	MPI_Isend_c (const void *buffer, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request)
int	MPI_Issend (const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request)
int	MPI_Issend_c (const void *buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request)
int	MPI_Rsend (const void *buffer, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
	Performs a ready-mode, blocking send.
int	MPI_Rsend_c (const void *buffer, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
int	MPI_Ssend (const void *buffer, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
	Performs a synchronous-mode, blocking send.
int	MPI_Ssend_c (const void *buffer, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
int	MPI_Bsend (const void *buffer, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
int	MPI_Bsend_c (const void *buffer, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
int	MPI_Irsend (const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request)
int	MPI_Irsend_c (const void *buf, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request)
int	MPI_Recv (void *buffer, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Status *status)
	Performs a standard-mode, blocking receive.
int	MPI_Recv_c (void *buffer, MPI_Count count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Status *status)
int	MPI_Irecv (void *buffer, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Request *request)
	Posts a nonblocking receive.
int	MPI_Irecv_c (void *buffer, MPI_Count count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Request *request)
int	MPI_Sendrecv (const void *sendbuf, int sendcount, MPI_Datatype sendtype, int dest, int sendtag, void *recvbuf, int recvcount, MPI_Datatype recvtype, int source, int recvtag, MPI_Comm comm, MPI_Status *status)
	Executes a blocking send and receive operation.
int	MPI_Sendrecv_c (const void *sendbuf, MPI_Count sendcount, MPI_Datatype sendtype, int dest, int sendtag, void *recvbuf, MPI_Count recvcount, MPI_Datatype recvtype, int source, int recvtag, MPI_Comm comm, MPI_Status *status)
int	MPI_Sendrecv_replace (void *buf, int count, MPI_Datatype datatype, int dest, int sendtag, int source, int recvtag, MPI_Comm comm, MPI_Status *status)
int	MPI_Sendrecv_replace_c (void *buf, MPI_Count count, MPI_Datatype datatype, int dest, int sendtag, int source, int recvtag, MPI_Comm comm, MPI_Status *status)
int	MPI_Iprobe (int source, int tag, MPI_Comm comm, int *flag, MPI_Status *status)
	Nonblocking operation that returns flag = true if there is a message that can be received and that matches the message envelope specified by source, tag and comm.
int	MPI_Probe (int source, int tag, MPI_Comm comm, MPI_Status *status)
	Blocks and returns only after a message that matches the message envelope specified by source, tag and comm can be received.
int	MPI_Improbe (int source, int tag, MPI_Comm comm, int *flag, MPI_Message *message, MPI_Status *status)
int	MPI_Mprobe (int source, int tag, MPI_Comm comm, MPI_Message *message, MPI_Status *status)
int	MPI_Mrecv (void *buf, int count, MPI_Datatype datatype, MPI_Message *message, MPI_Status *status)
int	MPI_Mrecv_c (void *buf, MPI_Count count, MPI_Datatype datatype, MPI_Message *message, MPI_Status *status)
int	MPI_Imrecv (void *buf, int count, MPI_Datatype datatype, MPI_Message *message, MPI_Request *request)
int	MPI_Imrecv_c (void *buf, MPI_Count count, MPI_Datatype datatype, MPI_Message *message, MPI_Request *request)
int	MPI_Psend_init (const void *buf, int partitions, MPI_Count count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Info info, MPI_Request *request)
int	MPI_Precv_init (void *buf, int partitions, MPI_Count count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Info info, MPI_Request *request)
int	MPI_Pready (int partition, MPI_Request request)
int	MPI_Pready_range (int partition_low, int partition_high, MPI_Request request)
int	MPI_Pready_list (int length, const int array_of_partitions[], MPI_Request request)
int	MPI_Parrived (MPI_Request request, int partition, int *flag)

Detailed Description

declarations for MPI point to point operations

Definition in file nm_mpi_p2p.h.

Function Documentation

MPI_Bsend()

int MPI_Bsend	(	const void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

MPI_Bsend_c()

int MPI_Bsend_c	(	const void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

MPI_Improbe()

int MPI_Improbe	(	int	source,
		int	tag,
		MPI_Comm	comm,
		int *	flag,
		MPI_Message *	message,
		MPI_Status *	status
	)

MPI_Imrecv()

int MPI_Imrecv	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Message *	message,
		MPI_Request *	request
	)

MPI_Imrecv_c()

int MPI_Imrecv_c	(	void *	buf,
		MPI_Count	count,
		MPI_Datatype	datatype,
		MPI_Message *	message,
		MPI_Request *	request
	)

MPI_Iprobe()

int MPI_Iprobe	(	int	source,
		int	tag,
		MPI_Comm	comm,
		int *	flag,
		MPI_Status *	status
	)

Nonblocking operation that returns flag = true if there is a message that can be received and that matches the message envelope specified by source, tag and comm.

Parameters

source	source rank, or MPI_ANY_SOURCE
tag	tag value or MPI_ANY_TAG
comm	communicator
flag	true if operation has completed
status	status object

Returns

MPI status

MPI_Irecv()

int MPI_Irecv	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

Posts a nonblocking receive.

Parameters

buffer	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
request	pointer to request

Returns

MPI status

MPI_Irecv_c()

int MPI_Irecv_c	(	void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI_Irsend()

int MPI_Irsend	(	const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI_Irsend_c()

int MPI_Irsend_c	(	const void *	buf,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI_Isend()

int MPI_Isend	(	const void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

Posts a standard-mode, non blocking send.

Parameters

buffer	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
request	pointer to request

Returns

MPI status

MPI_Isend_c()

int MPI_Isend_c	(	const void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI_Issend()

int MPI_Issend	(	const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI_Issend_c()

int MPI_Issend_c	(	const void *	buf,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI_Mprobe()

int MPI_Mprobe	(	int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Message *	message,
		MPI_Status *	status
	)

MPI_Mrecv()

int MPI_Mrecv	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Message *	message,
		MPI_Status *	status
	)

MPI_Mrecv_c()

int MPI_Mrecv_c	(	void *	buf,
		MPI_Count	count,
		MPI_Datatype	datatype,
		MPI_Message *	message,
		MPI_Status *	status
	)

MPI_Parrived()

int MPI_Parrived	(	MPI_Request	request,
		int	partition,
		int *	flag
	)

MPI_Pready()

int MPI_Pready	(	int	partition,
		MPI_Request	request
	)

MPI_Pready_list()

int MPI_Pready_list	(	int	length,
		const int	array_of_partitions[],
		MPI_Request	request
	)

MPI_Pready_range()

int MPI_Pready_range	(	int	partition_low,
		int	partition_high,
		MPI_Request	request
	)

MPI_Precv_init()

int MPI_Precv_init	(	void *	buf,
		int	partitions,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Info	info,
		MPI_Request *	request
	)

MPI_Probe()

int MPI_Probe	(	int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

Blocks and returns only after a message that matches the message envelope specified by source, tag and comm can be received.

Parameters

source	source rank, or MPI_ANY_SOURCE
tag	tag value or MPI_ANY_TAG
comm	communicator
status	status object

Returns

MPI status

MPI_Psend_init()

int MPI_Psend_init	(	const void *	buf,
		int	partitions,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Info	info,
		MPI_Request *	request
	)

MPI_Recv()

int MPI_Recv	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

Performs a standard-mode, blocking receive.

Parameters

buffer	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
status	status object

Returns

MPI status

MPI_Recv_c()

int MPI_Recv_c	(	void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

MPI_Rsend()

int MPI_Rsend	(	const void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

Performs a ready-mode, blocking send.

Parameters

buffer	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

MPI status

MPI_Rsend_c()

int MPI_Rsend_c	(	const void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

MPI_Send()

int MPI_Send	(	const void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

Performs a standard-mode, blocking send.

Parameters

buffer	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

MPI status

MPI_Send_c()

int MPI_Send_c	(	const void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

MPI_Sendrecv()

int MPI_Sendrecv	(	const void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		int	dest,
		int	sendtag,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	source,
		int	recvtag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

Executes a blocking send and receive operation.

Parameters

sendbuf	initial address of send buffer
sendcount	number of elements in send buffer
sendtype	type of elements in send buffer
dest	rank of destination
sendtag	send tag
recvbuf	initial address of receive buffer
recvcount	number of elements in receive buffer
recvtype	type of elements in receive buffer
source	rank of source
recvtag	receive tag
comm	communicator
status	status object

Returns

MPI status

MPI_Sendrecv_c()

int MPI_Sendrecv_c	(	const void *	sendbuf,
		MPI_Count	sendcount,
		MPI_Datatype	sendtype,
		int	dest,
		int	sendtag,
		void *	recvbuf,
		MPI_Count	recvcount,
		MPI_Datatype	recvtype,
		int	source,
		int	recvtag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

MPI_Sendrecv_replace()

int MPI_Sendrecv_replace	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	sendtag,
		int	source,
		int	recvtag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

MPI_Sendrecv_replace_c()

int MPI_Sendrecv_replace_c	(	void *	buf,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	sendtag,
		int	source,
		int	recvtag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

MPI_Ssend()

int MPI_Ssend	(	const void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

Performs a synchronous-mode, blocking send.

Parameters

buffer	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

MPI status

MPI_Ssend_c()

int MPI_Ssend_c	(	const void *	buffer,
		MPI_Count	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)