On Sat, 10 Apr 2004, Alex Nu wrote:
> Hi,
>
> Is there a way to specify how many processes I
> want to spawn in the MPI_INIT subroutine ?
> Or any other way to spawn processes besides
> mpi_comm_spawn ?
>
No, this is not possible. As far as your problem is concerned, it seems
that MPI_Comm_spawn is the only way to do it. This is the only way in MPI
to create new processes. Is there any particular reason you do not want to
use MPI_Comm_spawn?
Anju.
> I want to add a subroutine to a program where I would
>
> use MPI just under certain conditions and using
> different number of processes.
> ( I want to avoid using mpi_comm_spawn)
>
> short example:
>
> main(int argc, char *argv[])
> {
> ...
> if (condition) mympi(mpi_argc, mpiargv)
> ...
> }
>
> mympi(int argc, char *argv[]) {
> ...
> MPI_Init(argc,argv);
> MPI_Comm_size(MPI_COMM_WORLD, &size);
> MPI_Comm_rank(MPI_COMM_WORLD, &rank);
> ....
> MPI_Finalize()
> }
>
> Thanks
>
> Alex
>
>
>
>
> __________________________________
> Do you Yahoo!?
> Yahoo! Tax Center - File online by April 15th
> http://taxes.yahoo.com/filing.html
> _______________________________________________
> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>
|
