?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
--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
