Definition
MPI_Finalize shuts down the MPI library. It must be called by each process at the end of the MPI program.
Returned value
The error code returned from the finalisation.
- MPI_SUCCESS
- The routine successfully completed.
Example
#include <stdio.h>
#include <stdlib.h>
#include <mpi.h>
/**
* @brief Illustrate how to finalise the MPI environment.
**/
int main(int argc, char* argv[])
{
MPI_Init(&argc, &argv);
// Tell MPI to shut down and that we no longer need it.
MPI_Finalize();
return EXIT_SUCCESS;
}
Definition
MPI_Finalize shuts down the MPI library. It must be called by each process at the end of the MPI program.
Parameters
- ierror
- The error code returned from the finalisation.
Example
!> @brief Illustrate how to finalise the MPI environment.
PROGRAM main
USE mpi
IMPLICIT NONE
INTEGER :: ierror
CALL MPI_Init(ierror)
! Tell MPI to shut down and that we no longer need it.
CALL MPI_Finalize(ierror)
END PROGRAM main
Definition
MPI_Finalize shuts down the MPI library. It must be called by each process at the end of the MPI program.
SUBROUTINE MPI_Finalize(ierror)
INTEGER, OPTIONAL, INTENT(OUT) :: ierror
Parameters
- ierror [Optional]
- The error code returned from the finalisation.
Example
!> @brief Illustrate how to finalise the MPI environment.
PROGRAM main
USE mpi_f08
IMPLICIT NONE
CALL MPI_Init()
! Tell MPI to shut down and that we no longer need it.
CALL MPI_Finalize()
END PROGRAM main
