MPI_COMM_CREATE(3)MPI_COMM_CREATE(3)NAMEMPI_Comm_create - Creates a new communicator
SYNOPSIS
C:
#include <mpi.h>
int MPI_Comm_create ( comm, group, comm_out )
MPI_Comm comm;
MPI_Group group;
MPI_Comm *comm_out;
C++:
#include <mpi.h>
Intracomm Intracomm::Create(
const Group& group) const
Fortran:
INCLUDE "mpif.h" (or USE MPI)
INTEGER comm, group, newcomm, ierror,
CALL MPI_COMM_CREATE(comm, group, newcomm,
ierror)
STANDARDS
This release implements the MPI 1.2 standard, as documented by the MPI
Forum in the spring 1997 release of MPI: A Message Passing Interface
Standard.
DESCRIPTION
The MPI_Comm_create routine creates a new communicator. This routine
accepts the following parameters:
comm Specifies a communicator (handle)
group Specifies the group, which is a subset of the group of comm
(handle)
comm_out Returns a new communicator (handle) ierror Specifies the return
code value for successful completion, which is in MPI_SUCCESS.
MPI_SUCCESS is defined in the mpif.h file.
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