Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] Migrating from lam-mpi
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-05-15 21:39:56


In addition to what Jody said: I wish there were guides like we had
for LAM/MPI, but we simply haven't had the resources to write them.
If the FAQ doesn't have what you need, please let us know and perhaps
we should add to it.

On May 14, 2008, at 2:45 AM, jody wrote:

> Hi
> Actually all you need is in this faq:
> http://www.open-mpi.org/faq/?category=running
> The analogues to the lam-mpi hostfiles is discussed here
> http://www.open-mpi.org/faq/?category=running#mpirun-host
> and here
> http://www.open-mpi.org/faq/?category=running#mpirun-host
>
> There is no booting required.
> All you do is start your application with mpirun
> mpirun --hostfile my_hostfile -np 4 my_parallel_application
>
> jody
>
>
> On Tue, May 13, 2008 at 7:07 PM, Rob Malpass
> <lug_at_[hidden]> wrote:
>> Hi
>>
>> Could someone help me out with some documentation? I'm searched
>> the faq
>> and can't find exactly what I'm after - which is a sort of setup
>> guide.
>>
>> Thus far, I have a couple of Ubuntu nodes running openmpi-1.2.6.
>> I've
>> currently got one setup so it can ssh into the other without a
>> password so I
>> guess all I need to do now is to run the job. With lam, there was
>> lam-bhost.def but I've not (this is where I need the help) found any
>> documentation that talks about the hostfile. The only thing I can
>> find is
>>
>> http://www.open-mpi.org/faq/?category=running#simple-launch
>>
>> but with lam, as I recall there were a whole host (no pun
>> intended!) of
>> configuration files and some test scripts like recon and lamboot to
>> "boot
>> the supercomputer". Are there no such files here?
>>
>> I hope this doesn't offend - I have searched the faq but I can't find
>> exactly what I'm after - is there a setup guide somewhere?
>>
>> Thanks
>>
>> Rob
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
Cisco Systems