you can

mpirun --mca btl ^openib ...

in order to "disable" infiniband


On Mon, Nov 12, 2018 at 9:52 AM Andrei Berceanu
<> wrote:
> The node has an IB card, but it is a stand-alone node, disconnected from the 
> rest of the cluster.
> I am using OMPI to communicate internally between the GPUs of this node (and 
> not between nodes).
> So how can I disable the IB?
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