[mpich-discuss] Question about MPI_Comm_spawn

[Pavan Balaji]

If you are using mpich2 version 1.3 or higher, Hydra is already the 
default mpiexec.

Is there a reason you don't want to launch the application using 
mpiexec? The following should work fine.

% mpiexec -n 1 ./foo

  -- Pavan

On 12/06/2010 10:05 PM, Manish Honap wrote:
> I am using MPI_Comm_spawn for spawning processes over a cluster.
>
> i am not using mpiexec for running the program, the program itself
> checks the command
> line and spawns processes.
>
> so can anyone please tell me how can I make use of hydra or gforker
> interface to spawn
> these processes ?
>
> One option may be to configure the mpich2 such that mpiexec.hydra is
> default. Is there any
> other method which does not require reconfiguring mpich2 ?
>
>
>
>
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji