On 10/12/2015 13:55, Sturla Molden wrote: > Mathieu Dubois <mathieu.dubois at icm-institute.org> wrote: > >> Does it make sense? > No. Memory mapping should just memory map, not do all sorts of crap. The point is precisely that, you can't do memory mapping with Npz files (while it works with Npy files). Mathieu