[mpich-discuss] Hydra launching on CPU+MIC?

[Jeff Hammond]

Hmm, I was hoping to not have to manually create a hostfile that
contained 16 copies of the host IP and 60 copies of the MIC IP.

Jeff

On Mon, Mar 4, 2013 at 10:16 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:
>
> Just give the IP address of the MIC card as one of the hosts.
>
>  -- Pavan
>
> On 03/04/2013 09:06 AM US Central Time, Jeff Hammond wrote:
>> Is there documentation somewhere for how to launch Nh MPI processes on
>> the host and Nm MPI processes on the MIC using Hydra?  TACC told me
>> that Intel MPI's Hydra supports this so I guess MPICH's does as well
>> but I'm not sure how to do it.
>>
>> I only care about launching on a single box right now, not a cluster,
>> so interactions with multiple nodes, IB, etc. don't matter to me.
>>
>> And when I run in this mode, I will be using Nemesis shm within the
>> host and within the MIC while using SCIF between them, right?
>>
>> Thanks,
>>
>> Jeff
>>
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji



-- 
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at alcf.anl.gov / (630) 252-5381
http://www.linkedin.com/in/jeffhammond
https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond