You can run petsc in one process regardeless of mpi setup in your pc. I believe that some routines or other packages of petsc need mpi and therefore you take these errors. Do setup of mpi and make your code as before.
K.P > Dear all, > > I need to build a no mpi version of petsc for some reason. I use the > option > --with-mpi=0. The build seems to be successful. But when I compile my code > with petsc, then it has some errors related to undefined reference to > MPI_ABORT, MPI_NUITMP... > I just tired to use KSP solver. Is anyone have some suggestions? > > Thanks, > Nan >
