MPI_Comm_remote_size(3)            Open MPI            MPI_Comm_remote_size(3)



NAME
       MPI_Comm_remote_size  - Determines the size of the remote group
       associated with an intercommunicator.


SYNTAX
C Syntax
       #include <mpi.h>
       int MPI_Comm_remote_size(MPI_Comm comm, int *size)


Fortran Syntax
       INCLUDE 'mpif.h'
       MPI_COMM_REMOTE_SIZE(COMM, SIZE, IERROR)
            INTEGER   COMM, SIZE, IERROR


C++ Syntax
       #include <mpi.h>
       int Intercomm::Get_remote_size() const


INPUT PARAMETER
       comm      Communicator (handle).


OUTPUT PARAMETERS
       size      Number of processes in the remote group of comm (integer).

       IERROR    Fortran only: Error status (integer).


DESCRIPTION
       MPI_Comm_remote_size determines the size of the remote group associated
       with an intercommunicator.

       The  intercommunicator accessors (MPI_Comm_test_inter,
       MPI_Comm_remote_size, MPI_Comm_remote_group) are all local operations.


ERRORS
       Almost all MPI routines return an error value; C routines as the value
       of the function and Fortran routines in the last argument. C++
       functions do not return errors. If the default error handler is set to
       MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism
       will be used to throw an MPI:Exception object.

       Before the error value is returned, the current MPI error handler is
       called. By default, this error handler aborts the MPI job, except for
       I/O function errors. The error handler may be changed with
       MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN
       may be used to cause error values to be returned. Note that MPI does
       not guarantee that an MPI program can continue past an error.


SEE ALSO
       MPI_Comm_test_inter
       MPI_Comm_remote_group
       MPI_Intercomm_create
       MPI_Intercomm_merge




1.4.1                            Jan 14, 2010          MPI_Comm_remote_size(3)
