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
