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Subject: Re: [OMPI users] usNIC point-to-point messaging module
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-03-23 10:35:48


Hmmm...we'll have to check the configure logic as I don't think you should be getting that message. Regardless, it isn't something of concern - you can turn it "off" by adding

-mca btl ^usnic

on your command line, or configuring OMPI --enable-mca-no-build=btl-usnic

On Mar 22, 2014, at 10:00 PM, Filippo Spiga <spiga.filippo_at_[hidden]> wrote:

> Dear all,
>
> I recompiled Open MPI 1.7.5 a couple of time, I am sure I have been selected openib. However I have some doubts because this message
>
> --------------------------------------------------------------------------
> [[28098,1],8]: A high-performance Open MPI point-to-point messaging module
> was unable to find any relevant network interfaces:
>
> Module: usNIC
> Host: tesla79
>
> Another transport will be used instead, although this may result in
> lower performance.
> --------------------------------------------------------------------------
>
> keeps popping up. I am really worried there might be a degradation of performance because of this warning. Any clue about where it came from and how I can let it disappear?
>
> Thanks in advance,
> Filippo
>
> --
> Mr. Filippo SPIGA, M.Sc.
> http://www.linkedin.com/in/filippospiga ~ skype: filippo.spiga
>
> «Nobody will drive us out of Cantor's paradise.» ~ David Hilbert
>
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