if vasp's MPI process is paused, calling calc.close() might not cleanly terminate vasp as the poll does not return. While the zombie vasp processes are not taking CPU, the memory is not releases.
proposed solutions:
force awake vasp interactive when calling close / kill functions
if vasp's MPI process is paused, calling calc.close() might not cleanly terminate vasp as the poll does not return. While the zombie vasp processes are not taking CPU, the memory is not releases.
proposed solutions: