[mpich-discuss] Question about MPI_Comm_spawn

[Manish Honap]

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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