[mpich-discuss] hydra and PBS

[Pavan Balaji]

Which version are you using? I remember there was a bug with respect to 
MPMD launches at some point. Can you update to 1.1.1p1?

  -- Pavan

On 08/07/2009 09:13 PM, Bryan Putnam wrote:
> On Fri, 7 Aug 2009, Pavan Balaji wrote:
> 
>>> Could you please also tell me if it's possible to set up a master/slave type
>>> job using mpiexec.hydra. That is the equivalent of something like
>>>
>>> mpiexec -machinefile $PBS_NODEFILE -np 1 ./master : -np 3 ./slave
>> This should work, except mpiexec takes the option "-f" instead of
>> "-machinefile". I'll add in an alias to "-machinefile" to do the same thing in
>> the next release; it might be useful.
> 
> Pavan, that didn't seems to work for me, I see
> 
> coates-a001 1010% mpiexec.hydra -f $PBS_NODEFILE -np 4 ./hellof
>  node           2 : Hello world!
>  node           3 : Hello world!
>  node           0 : Hello world!
>  node           1 : Hello world!
> 
> Above is OK, but below...
> 
> coates-a001 1011% mpiexec.hydra -f $PBS_NODEFILE -np 1 ./hellof : -np 3 
> ./hellof
> Fatal error in MPI_Init: Other MPI error, error stack:
> MPIR_Init_thread(377): Initialization failed
> (unknown)(): Other MPI error
> Fatal error in MPI_Init: Other MPI error, error stack:
> MPIR_Init_thread(377): Initialization failed
> (unknown)(): Other MPI error
> Fatal error in MPI_Init: Other MPI error, error stack:
> MPIR_Init_thread(377): Initialization failed
> (unknown)(): Other MPI error
> Fatal error in MPI_Init: Other MPI error, error stack:
> MPIR_Init_thread(377): Initialization failed
> (unknown)(): Other MPI error
> coates-a001 1012% 
> 
> 
>>  -- Pavan
>>
>> -- 
>> Pavan Balaji
>> http://www.mcs.anl.gov/~balaji
>>
> 
> 

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