[MPICH] MPI Question !!

[koppole at aim.com]

Dear MPI-users,

I am not sure whether I am asking this question at the right place. 
Pardon me if I am in the wrong place ...


I want to break my MPI_COMM_WORLD into "x" number of groups where each 
group runs on "y" processors. I want to let the user decide "x" and "y" 
during run-time. Is there a way I can pass x and y from command line 
and break the application using MPI_GROUP_INCL ?


Thanks for your help.

Cheers,

Sampath.

FYI: I am compiling my Fortran application using MPICH2 and gfortran.

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