MPISynchroShuffleAllToAllComm Class Reference

Specialization of MPIAllToAllCommunicator which implements a blocking version of the Synchronuous Shuffle Exchange algorithm presented in [1]. More...

#include <MPISynchroShuffleAllToAllComm.h>

Inheritance diagram for MPISynchroShuffleAllToAllComm:

[legend]

Collaboration diagram for MPISynchroShuffleAllToAllComm:

[legend]

List of all members.

Public Member Functions
	MPISynchroShuffleAllToAllComm (MPIInputBufferVector &mpiInputBuffers, MPIOutputBufferVector &mpiOutputBuffers, MPI::Intracomm &comm, vector< bool > &incomingConnections, vector< bool > &outgoingConnections)
	Constructor.
virtual	~MPISynchroShuffleAllToAllComm ()
virtual void	doExchangeAlgorithm ()
	Performs the mpi all-to-all exchange with synchronuous shuffle algorithm.
virtual void	prepare ()
	Setup of the needstosend and needstoreceive flags at the beginning of the all-to-all exchange procedure.

---

Detailed Description

Specialization of MPIAllToAllCommunicator which implements a blocking version of the Synchronuous Shuffle Exchange algorithm presented in [1].

References:

[1] A.T.C. Tam and C.L. Wang, Efficient Scheduling of Complete Exchange on Clusters, The 13th International Conference on Parallel and Distributed Computing Systems (PDCS 2000), Las Vegas, USA, Aug 2000

Definition at line 19 of file MPISynchroShuffleAllToAllComm.h.

---

Constructor & Destructor Documentation

MPISynchroShuffleAllToAllComm::MPISynchroShuffleAllToAllComm	(	MPIInputBufferVector &	mpiInputBuffers,
		MPIOutputBufferVector &	mpiOutputBuffers,
		MPI::Intracomm &	comm,
		vector< bool > &	incomingConnections,
		vector< bool > &	outgoingConnections
	)

Constructor.

Definition at line 7 of file MPISynchroShuffleAllToAllComm.cpp.

References MPIAllToAllCommunicator::needsToReceive, MPIAllToAllCommunicator::needsToSend, and MPIAllToAllCommunicator::numNodes.

MPISynchroShuffleAllToAllComm::~MPISynchroShuffleAllToAllComm

(

)

[virtual]

Definition at line 20 of file MPISynchroShuffleAllToAllComm.cpp.

---

Member Function Documentation

void MPISynchroShuffleAllToAllComm::doExchangeAlgorithm

(

)

[virtual]

Performs the mpi all-to-all exchange with synchronuous shuffle algorithm.

Implements MPIAllToAllCommunicator.

Definition at line 30 of file MPISynchroShuffleAllToAllComm.cpp.

References MPIExchangeBlocksInfo::buffers, MPIExchangeBlocksInfo::counts, MPIExchangeBlocksInfo::datatypes, MPIOutputBufferVector::getMPIExchangeBlocksInfo(), MPIInputBufferVector::getMPIExchangeBlocksInfo(), MPIAllToAllCommunicator::hasNextToSend, MPIAllToAllCommunicator::inputBuffers, MPIAllToAllCommunicator::mpi_comm, MPIAllToAllCommunicator::needsToReceive, MPIAllToAllCommunicator::needsToSend, MPIAllToAllCommunicator::numNodes, MPIAllToAllCommunicator::outputBuffers, and MPIOutputBufferVector::setFinishedFlag().

Here is the call graph for this function:

void MPISynchroShuffleAllToAllComm::prepare

(

)

[virtual]

Setup of the needstosend and needstoreceive flags at the beginning of the all-to-all exchange procedure.

Implements MPIAllToAllCommunicator.

Definition at line 23 of file MPISynchroShuffleAllToAllComm.cpp.

References MPIAllToAllCommunicator::hasNextToSend, MPIAllToAllCommunicator::incoming_connections, MPIAllToAllCommunicator::needsToReceive, MPIAllToAllCommunicator::needsToSend, and MPIAllToAllCommunicator::outgoing_connections.

---

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

• /home/tnatschl/PCSIM-Sandbox/pcsim/pcsim/simcore/MPISynchroShuffleAllToAllComm.h
• /home/tnatschl/PCSIM-Sandbox/pcsim/pcsim/simcore/MPISynchroShuffleAllToAllComm.cpp