[petsc-users] Start multiple Jobs from one process

[Jed Brown]

2011/7/5 Yixun Liu <yxliuwm at gmail.com>

> I have a PETSc application and I can start it using the command:
> mpiexec -n 4 app.exe
>
> I would like to know if I can start the four processes in one process.
>

Yes, but you would have to use the MPI-2 dynamic process management. It will
take some effort and I don't recommend it unless you're really sure that's
what you want.
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