MPI_Group_size - Returns the size of a group
SYNOPSIS
C:
#include <mpi.h>
int MPI_Group_size ( group, size )
MPI_Group group;
int *size;
C++:
#include <mpi.h>
int Group::Get_size() const
Fortran:
INCLUDE "mpif.h" (or USE MPI)
INTEGER group, size, ierror
CALL MPI_GROUP_SIZE(group, size, 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_Group_size routine returns the size of a group.
This routine accepts the following parameters:
group Specifies the group (handle)
size Returns the number of processes in the group
(integer)
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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