Re: [OMPI users] Using strace with Open MPI on Cray

2019-04-02 Thread Christoph Niethammer
Hello all, Here a short update: It seems, that the ompio io module does not support the external32 and internal data representation. However, this problem gets only triggered on NFS file systems for me. In my case, trying to use external32, this lead to writing with the default file view for al

[OMPI users] mpi_comm_dup + mpi_comm_group Issue

2019-04-02 Thread Stella Paronuzzi
Good afternoon, I am attaching a simple fortran code that: - calls the MPI_INIT - duplicates the global communicator, via MPI_COMM_DUP - creates a group with half of processes of the global communicator, via MPI_COMM_GROUP - finally from this group creates a new communicator via MPI_

Re: [OMPI users] mpi_comm_dup + mpi_comm_group Issue

2019-04-02 Thread Nathan Hjelm via users
That is perfectly valid. The MPI processes that make up the group are all part of comm world. I would file a bug with Intel MPI. -Nathan > On Apr 2, 2019, at 7:11 AM, Stella Paronuzzi > wrote: > > Good afternoon, I am attaching a simple fortran code that: > calls the MPI_INIT > duplicates th