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Subject: Re: [OMPI users] How to check OMPI is using IB or not?
From: Eugene Loh (Eugene.Loh_at_[hidden])
Date: 2010-01-27 10:23:39


You could also rule Ethernet (TCP) out. E.g.,

mpirun --mca btl self,openib ./a.out

Or, if you wanted the opposite (Ethernet/TCP, but not IB), then

mpirun --mca btl self,tcp ./a.out

>>If an infiniband network is configured successfully, how to confirm
>>that Open MPI is using infiniband, not other ethernet network
>>available?
>>