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From: David Daniel (ddd_at_[hidden])
Date: 2007-03-22 11:11:05


This is a development system for roadrunner using ssh.

David

On Mar 22, 2007, at 5:19 AM, Jeff Squyres wrote:

> FWIW, I believe that we had intended --prefix to handle simple cases
> which is why this probably doesn't work for you. But as long as the
> different prefixes are specified for different nodes, it could
> probably be made to work.
>
> Which launcher are you using this with?
>
>
>
> On Mar 21, 2007, at 11:36 PM, Ralph Castain wrote:
>
>> Yo David
>>
>> What system are you running this on? RoadRunner? If so, I can take
>> a look at
>> "fixing" it for you tomorrow (Thurs).
>>
>> Ralph
>>
>>
>> On 3/21/07 10:17 AM, "David Daniel" <ddd_at_[hidden]> wrote:
>>
>>> I'm experimenting with heterogeneous applications (x86_64 <-->
>>> ppc64), where the systems share the file system where Open MPI is
>>> installed.
>>>
>>> What I would like to be able to do is something like this:
>>>
>>> mpirun --np 1 --host host-x86_64 --prefix /opt/ompi/x86_64
>>> a.out.x86_64 : --np 1 --host host-ppc64 --prefix /opt/ompi/ppc64
>>> a.out.ppc64
>>>
>>> Unfortunately it looks as if the second --prefix is always ignored.
>>> My guess is that orte_app_context_t::prefix_dir is getting set, but
>>> only the 0th app context is never consulted (except in the dynamic
>>> process stuff where I do see a loop over the app context array).
>>>
>>> I can of course work around it with startup scripts, but a command
>>> line solution would be attractive.
>>>
>>> This is with openmpi-1.2.
>>>
>>> Thanks, David
>>>
>>> _______________________________________________
>>> devel mailing list
>>> devel_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>>
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
>
> --
> Jeff Squyres
> Cisco Systems
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

--
David Daniel <ddd_at_[hidden]>
Computer Science for High-Performance Computing (CCS-1)