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Subject: [OMPI devel] How to configure Open MPI on multi-port IB HCA cluster
From: Jie Cai (Jie.Cai_at_[hidden])
Date: 2009-03-03 02:48:39

We have installed a dual-port ConnectX HCA cluster with PIC-E 2.0 slots,
and each port represented as individual interface.

How to configure the Open MPI and hardware system
to correctly use the both ports for communication?

Are we expecting to see wider bandwidth with Open MPI?
In order to see the improvement of bandwidth, do I need to specific
Open MPI and the hardware?


Mr. Jie Cai