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Subject: Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-02-14 09:18:47


On Feb 13, 2011, at 10:54 PM, Tena Sakai wrote:

> I have a file app.ac3, which looks like:
> [tsakai_at_vixen Rmpi]$ cat app.ac3
> -H dasher.egcrc.org -np 1 hostname
> -H dasher.egcrc.org -np 1 hostname
> -H vixen.egcrc.org -np 1 hostname
> -H vixen.egcrc.org -np 1 hostname

Note that you don't *have* to use app files. For example, the moral equivalent of the above is:

    mpirun --host dasher.egcrc.org,vixen.egcrc.org -np 4 hostname

-- 
Jeff Squyres
jsquyres_at_[hidden]
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