Luis,
a MPI window creation is a collective operation, that involves the
creation of a communicator that involves (several) non blocking
allgather.
I recommend you first make sure you that creating a windows does not
start a recursion.
Cheers,
Gilles
On Fri, May 22, 2020 at 7:53 PM Luis
Hello OpenMPI devs,
I know this can be a bit vague question, but I am looking for some hint
that could help me to debug the problem I am facing here.
I am trying to create a dynamic window inside a collective operation.
Inside the operation, the call to ompi_win_create_dynamic hangs with