[mpich-discuss] Issue with Slurm / Hydra

[Vienne Jérôme]

Hi Darius,

Thanks you for your tips. If fact, I didn't try mpiexec.

I set HYDRA_BOOTSTRAP_EXEC=slurm
then i did:
mpiexec -n 16 IMB-MPI1 -npmin 16 bcast

And now it's working.

Thanks again,
Jerome


On Wed, Nov 24, 2010 at 15:26, Darius Buntinas <buntinas at mcs.anl.gov> wrote:
> Try using mpiexec instead of srun.
>
> -d
>
> On Nov 24, 2010, at 12:32 PM, Vienne Jérôme wrote:
>
>> Hi,
>>
>> I have actually an issue when I want to use mpich2 1.3.1 with hydra and slurm.
>> I configured mpich2 using the following command:
>> ./configure --with-hydra-bss=ssh,rsh,fork,slurm
>> (I saw this command on
>> http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager)
>>
>> But when I want to run a MPI program like IMB with the following command:
>> srun -n 16 IMB-MPI1 -npmin 16 bcast
>> I have 16 instances of bcast with only 1 MPI process each time instead
>> of one instance of bcast with 16 MPI processes
>>
>> I tried to configure Mpich2 with only slurm:
>> ./configure --with-hydra-bss=slurm
>> But the issue is still appearing.
>>
>> I don't know if it's a bug or if the command changed
>> Can you tell me how to use correctly Hydra with slurm ?
>>
>> Thanks,
>> Jerome
>> _______________________________________________
>> mpich-discuss mailing list
>> mpich-discuss at mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>
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