how to run petsc on different machine

[Satish Balay]

--download-mpich=1 defaults to gforker i.e a single machine.

If you wish to run on multiple machines - then you'll have to
figureout what mechanism you'd like to use - and then direct the MPI
install for that method.

For eg: - the common method is to use MPD. So you can install petsc with

--download-mpich=1 --download-mpich-pm=mpd

[Or install any MPI  as you desire - separately - and then install PETSc with it].

Satish

On Wed, 2 Dec 2009, ming zhu wrote:

>  With --download-mpich=1,Petsc install mpi. However, since I want to run my Petsc program on different machines and mpiexec -machinefile <machineifle> does not work. It complains:invalid mpiexec argument -machinefile.
> Do I have to install mpi for this　? Or do other way?
> Thank you
> 
> 
> 
> 
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