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Subject: Re: [OMPI users] how to select a specific network
From: Lydia Heck (lydia.heck_at_[hidden])
Date: 2008-01-11 06:46:56


I should have added that the two networks are not routable,
and that they are private class B.

On Fri, 11 Jan 2008, Lydia Heck wrote:

>
> I have a setup which contains one set of machines
> with one nge and one e1000g network and of machines
> with two e1000g networks configured. I am planning a
> large run where all these computers will be occupied
> with one job and the mpi communication should only go
> over one specific network which is configured over
> e1000g0 on the first set of machines and on e1000g1 on the
> second set. I cannot use - for obvious reasons to either
> include all of e1000g or to exclude part of e1000g - if that is
> possible.
> So I have to exclude or include on the internet number range.
>
> Is there an obvious flag - which I have not yet found - to tell
> mpirun to use one specific network?
>
> Lydia
>
> ------------------------------------------
> Dr E L Heck
>
> University of Durham
> Institute for Computational Cosmology
> Ogden Centre
> Department of Physics
> South Road
>
> DURHAM, DH1 3LE
> United Kingdom
>
> e-mail: lydia.heck_at_[hidden]
>
> Tel.: + 44 191 - 334 3628
> Fax.: + 44 191 - 334 3645
> ___________________________________________
>

------------------------------------------
Dr E L Heck

University of Durham
Institute for Computational Cosmology
Ogden Centre
Department of Physics
South Road

DURHAM, DH1 3LE
United Kingdom

e-mail: lydia.heck_at_[hidden]

Tel.: + 44 191 - 334 3628
Fax.: + 44 191 - 334 3645
___________________________________________