freefall, both with and without hydro boss-bodenheimer (tests hydro+gravity+sinks) khi (pure hydro test) all of this on c2pap, 1-16 cores openMP only, and then up to 64 or even 128 cores with MPI only and hybrid we do two kinds of tests: 1)keep the same problem size and change the number of cores 2)keep the number of cores fixed and change the problem size