Thanks for your response, George.
Just confirming that this should be okay to use iteratively is a huge help.
After further investigation, this only seems to occur on my test workstation
with the following …
Open MPI repo revision: v4.0.2
Open MPI release date: Oct 07, 2019
Bradley,
You call then through a blocking MPI function, the operation is therefore
completed by the time you return from the MPI call. So, short story you
should be safe calling the dost_graph_create in a loop.
The segfault indicates a memory issue with some of the internals of the
treematch. Do
Hello OMPI Developers and Community,
I am interested in investigating dynamic runtime optimization of MPI topologies
using an evolutionary approach.
My initial testing is resulting in segfaults\sigabrts when I attempt to
iteratively create a new communicator with reordering enabled, e.g…
