On Tue, Jul 12, 2016 at 2:37 PM, Carlos Fenoy <mini...@gmail.com> wrote:
> If you do not specify the number of nodes does it work as expected?
>
it run with 2 nodes, not 3 nodes.
I just realized, I have to use srun instead of mpirun in order for SLURM to
run my job as I'm expected.
> On Tue, 12 Jul 2016, 09:25 Loris Bennett, <loris.benn...@fu-berlin.de>
> wrote:
>
>>
>> Husen R <hus...@gmail.com> writes:
>>
>> > Re: [slurm-dev] Re: number of processes in slurm job
>> >
>> > Hi,
>> >
>> > Thanks for your reply !
>> >
>> > I use this sbatch script
>> >
>> > #!/bin/bash
>> > #SBATCH -J mm6kn2_03
>> > #SBATCH -o 6kn203-%j.out
>> > #SBATCH -A necis
>> > #SBATCH -N 3
>> > #SBATCH -n 16
>> > #SBATCH --time=05:30:00
>> >
>> > mpirun ./mm.o 6000
>>
>> You need to tell 'mpirun' how many processes to start. If you do not,
>> probably all cores available will be used. So it looks like you have 6
>> cores per node and thus 'mpirun' starts 18 processes. You should write
>> some thing like
>>
>> mpirun -np ${SLURM_NTASKS} ./mm.o 6000
>>
>> Cheers,
>>
>> Loris
>>
>> > regards,
>> >
>> > Husen
>> >
>> > On Tue, Jul 12, 2016 at 1:21 PM, Loris Bennett
>> > <loris.benn...@fu-berlin.de> wrote:
>> >
>> > Husen R <hus...@gmail.com> writes:
>> >
>> > > number of processes in slurm job
>> >
>> >
>> > >
>> > > Hi all,
>> > >
>> > > I tried to run a job on 3 nodes (N=3) with 16 number of processes
>> > > (n=16) but slurm automatically changes that n value to 18 (n=18).
>> > >
>> > > I also tried to use other combination of n values that are not
>> equally
>> > > devided by N but Slurm automatically changes those n values to
>> values
>> > > that are equally devided by N.
>> > >
>> > > How to change this behavior ?
>> > > I need to use a specific value of n for experimental purpose.
>> > >
>> > > Thank you in advance.
>> > >
>> > > Regards,
>> > >
>> > > Husen
>> >
>> >
>> > You need to give more details about what you did. How did you set
>> the
>> > number of processes?
>> >
>> > Cheers,
>> >
>> > Loris
>> >
>> > --
>> > Dr. Loris Bennett (Mr.)
>> > ZEDAT, Freie Universität Berlin Email
>> > loris.benn...@fu-berlin.de
>> >
>> >
>> >
>>
>> --
>> Dr. Loris Bennett (Mr.)
>> ZEDAT, Freie Universität Berlin Email loris.benn...@fu-berlin.de
>>
>
