chi::ChiMPICommunicatorSet Class Reference

#include <chi_mpi_commset.h>

Public Member Functions
	ChiMPICommunicatorSet (std::vector< MPI_Comm > &communicators, std::vector< MPI_Group > &location_groups, MPI_Group &world_group)
MPI_Comm	LocICommunicator (int locI) const
int	MapIonJ (int locI, int locJ) const

Private Attributes
std::vector< MPI_Comm >	communicators_
std::vector< MPI_Group >	location_groups_
MPI_Group	world_group_

Detailed Description

Simple implementation a communicator set. Definitions: P = total amount of processors. locI = process I in [0,P]

Definition at line 16 of file chi_mpi_commset.h.

Constructor & Destructor Documentation

ChiMPICommunicatorSet()

chi::ChiMPICommunicatorSet::ChiMPICommunicatorSet ( std::vector< MPI_Comm > &  communicators, std::vector< MPI_Group > &  location_groups, MPI_Group &  world_group  )

inline

Definition at line 29 of file chi_mpi_commset.h.

Member Function Documentation

LocICommunicator()

MPI_Comm chi::ChiMPICommunicatorSet::LocICommunicator ( int  locI ) const

inline

Definition at line 37 of file chi_mpi_commset.h.

MapIonJ()

int chi::ChiMPICommunicatorSet::MapIonJ ( int  locI, int  locJ  ) const

inline

Definition at line 42 of file chi_mpi_commset.h.

Field Documentation

communicators_

std::vector<MPI_Comm> chi::ChiMPICommunicatorSet::communicators_

private

A list of communicators, size P, contains a communicator for only communicating with the neighbors of locI.

Definition at line 21 of file chi_mpi_commset.h.

location_groups_

std::vector<MPI_Group> chi::ChiMPICommunicatorSet::location_groups_

private

A list of groupings, size P, allows mapping of the rank of locJ relative to the local communicator.

Definition at line 24 of file chi_mpi_commset.h.

world_group_

MPI_Group chi::ChiMPICommunicatorSet::world_group_

private

Used to translate ranks.

Definition at line 26 of file chi_mpi_commset.h.

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

• framework/mpi/chi_mpi_commset.h