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Subject: Re: [OMPI users] How does authentication between nodes work without password? (Newbie alert on)
From: Tena Sakai (tsakai_at_[hidden])
Date: 2011-02-14 18:39:08


Thank you, Jeff. That's good to know, but for now
I am going to stick to -app option. For this old
dog can't learn new tricks so fast.

Regards,

Tena

On 2/14/11 6:18 AM, "Jeff Squyres" <jsquyres_at_[hidden]> wrote:

> 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