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MPI_Comm_remote_size

Langue: en

Version: 173194 (fedora - 06/07/09)

Autres sections - même nom

Section: 4 (Pilotes et protocoles réseau)

NAME

MPI_Comm_remote_size - Determines the size of the remote group associated with an inter-communictor

SYNOPSIS

 int MPI_Comm_remote_size(MPI_Comm comm, int *size)
 

INPUT PARAMETER

comm
- communicator (handle)

OUTPUT PARAMETER

size
- number of processes in the remote group of comm (integer)

THREAD AND INTERRUPT SAFETY

This routine is both thread- and interrupt-safe. This means that this routine may safely be used by multiple threads and from within a signal handler.

NOTES FOR FORTRAN

All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argument ierr at the end of the argument list. ierr is an integer and has the same meaning as the return value of the routine in C. In Fortran, MPI routines are subroutines, and are invoked with the call statement.

All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.

ERRORS

All MPI routines (except MPI_Wtime and MPI_Wtick ) return an error value; C routines as the value of the function and Fortran routines in the last argument. Before the value is returned, the current MPI error handler is called. By default, this error handler aborts the MPI job. The error handler may be changed with MPI_Comm_set_errhandler (for communicators), MPI_File_set_errhandler (for files), and MPI_Win_set_errhandler (for RMA windows). The MPI-1 routine MPI_Errhandler_set may be used but its use is deprecated. The predefined error handler MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not guarentee that an MPI program can continue past an error; however, MPI implementations will attempt to continue whenever possible.

MPI_SUCCESS
- No error; MPI routine completed successfully.
MPI_ERR_COMM
- Invalid communicator. A common error is to use a null communicator in a call (not even allowed in MPI_Comm_rank ).
MPI_ERR_ARG
- Invalid argument. Some argument is invalid and is not identified by a specific error class (e.g., MPI_ERR_RANK ).

LOCATION

comm_remote_size.c
L'abolition de la religion en tant que bonheur illusoire du peuple est
une exigence de son bonheur réel. Exiger que le peuple renonce à ses
illusions sur sa condition, c'est exiger qu'il abandonne une condition
qui a besoin d'illusions. La critique de la religion est donc
virtuellement la critique de la vallée de larmes dont la religion est
l'auréole.
-+- Karl Marx -+-