Dune Core Modules (2.4.2)

A real mpi helper. More...

#include <dune/common/parallel/mpihelper.hh>

Public Types

enum  { isFake = false }
typedef MPI_Comm MPICommunicator
 The type of the mpi communicator.

Public Member Functions

int rank () const
 return rank of process
int size () const
 return number of processes

Static Public Member Functions

static MPICommunicator getCommunicator ()
 get the default communicator More...
static MPICommunicator getLocalCommunicator ()
 get a local communicator More...
static DUNE_EXPORT MPIHelperinstance (int &argc, char **&argv)
 Get the singleton instance of the helper. More...

Detailed Description

A real mpi helper.

This helper should be used for parallel programs.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Are we fake (i. e. pretend to have MPI support but are compiled without.

Member Function Documentation

◆ getCommunicator()

static MPICommunicator Dune::MPIHelper::getCommunicator ( )

get the default communicator

Return a communicator to exchange data with all processes


◆ getLocalCommunicator()

static MPICommunicator Dune::MPIHelper::getLocalCommunicator ( )

get a local communicator

Returns a communicator to exchange data with the local process only


◆ instance()

static DUNE_EXPORT MPIHelper& Dune::MPIHelper::instance ( int &  argc,
char **&  argv 

Get the singleton instance of the helper.

This method has to be called with the same arguments that the main method of the program was called:

int main(int argc, char** argv){
MPIHelper::instance(argc, argv);
// program code comes here
static DUNE_EXPORT MPIHelper & instance(int &argc, char **&argv)
Get the singleton instance of the helper.
Definition: mpihelper.hh:217
argcThe number of arguments provided to main.
argvThe arguments provided to main.

The documentation for this class was generated from the following file:
Creative Commons License   |  Legal Statements / Impressum  |  Hosted by TU Dresden  |  generated with Hugo v0.80.0 (Apr 18, 22:30, 2024)