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 ?
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
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