MPI_Group_size function

Retrieves the size of the specified group.

Syntax


int MPIAPI MPI_Group_size(
        MPI_Group group,
  _Out_ int       *size
);

Parameters

group

The group to evaluate.

size [out]

A pointer to an integer that, on return, contains the size of the specified group.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

In Fortran, the return value is stored in the IERROR parameter.

Fortran


MPI_GROUP_SIZE(GROUP, SIZE, IERROR)
    INTEGER GROUP, SIZE, IERROR 

Requirements

Product

HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities

Header

Mpi.h;
Mpif.h

Library

Msmpi.lib

DLL

Msmpi.dll

See also

MPI Group Functions

 

 

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