Thanks for the answer
On Mon, Dec 14, 2020 at 4:20 PM Jeff Squyres (jsquyres) <jsquy...@cisco.com> wrote: > On Dec 12, 2020, at 4:58 AM, Lesiano 16 via users < > users@lists.open-mpi.org> wrote: > > > > My question is, can I assume that when skipping the beginning of the > file that MPI will fill up with zeros? Or is it implementation dependent? > > > > I have read the standard, but I could not found anything meaningful > expected for: > > > > "Initially, all processes view the file as a linear byte stream, and > each process views data in its own native representation (no data > representation conversion is performed). (POSIX files are linear byte > streams in the native representation.) The file view can be changed via the > MPI_FILE_SET_VIEW routine." > > > > which I am not sure is actually relevant or not. > > In general, the contents of a file written by the MPI IO interface are > going to be implementation-specific. > > -- > Jeff Squyres > jsquy...@cisco.com > >
