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
