[mpich2-dev] mpiexec to call launcher for all names in machines file without hostname resolution (was -nolocal option)

[Pavan Balaji]

On 07/08/2011 11:29 PM, John Marshall wrote:
> On 07/09/2011 12:18 AM, Pavan Balaji wrote:
>>
>> On 07/08/2011 11:11 PM, John Marshall wrote:
>>> Perhaps there is some confusion here, but I don't see how my launcher
>>> could be called since *is_local == 1.
>>
>> I'm confused on what exactly you need. Do you want Hydra to not fall back to fork when a local hostname is provided? Why?
> Right. I want my launcher to be called for each entry in the machines list, even if that entry ends up on the local host. No
> fall back to fork, ever.
>
> Why? Because the entries in the machines file are _not_ necessarily hostnames. What they are is interpreted by the launcher
> which effectively maps between the machines file entries and targets.

I understand that they are not hostnames -- in such cases the host 
resolution will fail and you'll get this behavior anyway. Are you not 
getting this behavior?

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji