mpi_wtime(3) debian man page | unix.com

MPI_Wtime(3)								MPI							      MPI_Wtime(3)

NAME
       MPI_Wtime -  Returns an elapsed time on the calling processor

SYNOPSIS
       double MPI_Wtime( void )

RETURN VALUE
       Time in seconds since an arbitrary time in the past.

NOTES
       This is intended to be a high-resolution, elapsed (or wall) clock.  See MPI_WTICK to determine the resolution of MPI_WTIME .

       If the attribute MPI_WTIME_IS_GLOBAL is defined and true, then the value is synchronized across all processes in MPI_COMM_WORLD .

NOTES FOR FORTRAN
       This is a function, declared as DOUBLE PRECISION MPI_WTIME() in Fortran.

SEE ALSO
       also: MPI_Wtick, MPI_Comm_get_attr, MPI_Attr_get

LOCATION
       wtime.c

								     11/6/2008							      MPI_Wtime(3)