Eric,
Error codes are **not** mandated to be consistent across ranks in the MPI
standard. Although file errors are not expected to cause the program to abort,
there is no special case for I/O in that regard in the MPI standard. The Open
MPI implementation acts accordingly and will not
Hi,
I have a simple question about error codes returned by MPI_File_*_all*
and MPI_File_open/close functions:
If an error is returned will it be the same for *all* processes? In
other worlds, are error codes communicated under the hood so we, end
users, can avoid to add "reduce" on those