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Subject: Re: [OMPI users] Ideal MTU in Infiniband
From: Gleb Natapov (glebn_at_[hidden])
Date: 2008-01-10 09:59:09


On Thu, Jan 10, 2008 at 06:23:50PM +0530, Parag Kalra wrote:
> Hello all,
>
> Any ideas?
Yes. The idea is that Open MPI knows what best. Run it with a default
value. Usually bigger MTU is better, but some HW has bugs. Open MPI
knows this and choses the best value for your HW.

>
> --
> Parag Kalra
>
>
> On Jan 10, 2008 4:15 AM, Parag Kalra <paragkalra_at_[hidden]> wrote:
>
> > Hello all,
> >
> > I am using Open MPI with Infiniband configured.
> >
> > What should be the ideal MTU size for infiniband?
> >
> > --
> > PARAG . A . KALRA
> >
> >
> >
> >

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--
			Gleb.