MPI_Wtick(3) LAM/MPI MPI_Wtick(3)NAME
MPI_Wtick - Returns the resolution of MPI_Wtime
SYNOPSIS
#include <mpi.h>
double MPI_Wtick(void)
RETURN VALUE
Time in seconds of resolution of MPI_Wtime
.
NOTES FOR FORTRAN
This is function is declared as DOUBLE PRECISION MPI_WTICK() in Fortran.
SEE ALSO
MPI_Wtime
MORE INFORMATION
For more information, please see the official MPI Forum web site, which contains the text of both the MPI-1 and MPI-2 standards. These
documents contain detailed information about each MPI function (most of which is not duplicated in these man pages).
http://www.mpi-forum.org/
ACKNOWLEDGEMENTS
The LAM Team would like the thank the MPICH Team for the handy program to generate man pages ("doctext" from ftp://ftp.mcs.anl.gov/pub/sow-
ing/sowing.tar.gz ), the initial formatting, and some initial text for most of the MPI-1 man pages.
LOCATION
wtick.c
LAM /MPI 6.5.8 11/10/2002 MPI_Wtick(3)
Check Out this Related Man Page
MPI_Initialized(3) LAM/MPI MPI_Initialized(3)NAME
MPI_Initialized - Indicates whether MPI_Init has been called.
SYNOPSIS
#include <mpi.h>
int MPI_Initialized(int *flag)
OUTPUT PARAMETER
flag - Flag is true (1) if MPI_Init has been called and false (0) otherwise.
NOTES
This function always returns MPI_SUCCESS
.
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.
MORE INFORMATION
For more information, please see the official MPI Forum web site, which contains the text of both the MPI-1 and MPI-2 standards. These
documents contain detailed information about each MPI function (most of which is not duplicated in these man pages).
http://www.mpi-forum.org/
ACKNOWLEDGEMENTS
The LAM Team would like the thank the MPICH Team for the handy program to generate man pages ("doctext" from ftp://ftp.mcs.anl.gov/pub/sow-
ing/sowing.tar.gz ), the initial formatting, and some initial text for most of the MPI-1 man pages.
LOCATION
inited.c
LAM /MPI 6.5.8 11/10/2002 MPI_Initialized(3)
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