On Tue, Jul 12, 2016 at 3:04 PM, David Ramírez <drami...@sie.es> wrote:
> Hi Husen > > > > I don’t use mcapich since some years. But I remenber when you compile > MVAPCIH2 you must indicate > > > > ./ configure --with -pm=no --with - pmi = slurm > Hi David, Thanks for the information > > > I hope to you can fix it ;) > > > > I used srun –pmi=mpi2 in some programs and Works too > > > > > > *De:* Husen R [mailto:hus...@gmail.com] > *Enviado el:* martes, 12 de julio de 2016 9:59 > > *Para:* slurm-dev <slurm-dev@schedmd.com> > *Asunto:* [slurm-dev] Re: number of processes in slurm job > > > > > > > > On Tue, Jul 12, 2016 at 2:53 PM, David Ramírez <drami...@sie.es> wrote: > > Hi Husen. > > > > Are you compiled OpenMPI with Slurm?? Indicate for example –with-slurm and > –with-pmi ¿? > > > > Hi David, > > I use MVAPICH2. > > I found that I have to use srun instead of mpirun. > > I use this command : srun --mpi=pmi2 ./mm.o 6000 > > it works. > > > > I use OpenMPI and Works fine without indicated mpi procs into my batch > file. > > > > *De:* Husen R [mailto:hus...@gmail.com] > *Enviado el:* martes, 12 de julio de 2016 9:41 > *Para:* slurm-dev <slurm-dev@schedmd.com> > *Asunto:* [slurm-dev] Re: number of processes in slurm job > > > > > > > > On Tue, Jul 12, 2016 at 2:24 PM, 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 > > > > without specifying -np value, using "#SBATCH -n 16" as written in my > sbatch script I hope mpirun will use 16 as the number of processes. > > however, I just realized mpirun doesn't read sbatch script. > > > 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 > > > > > > Este correo y sus archivos asociados son privados y confidenciales y va > dirigido exclusivamente a su destinatario. Si recibe este correo sin ser el > destinatario del mismo, le rogamos proceda a su eliminación y lo ponga en > conocimiento del emisor. La difusión por cualquier medio del contenido de > este correo podría ser sancionada conforme a lo previsto en las leyes > españolas. No se autoriza la utilización con fines comerciales o para su > incorporación a ficheros automatizados de las direcciones del emisor o del > destinatario . > > This mail and its attached files are confidential and are exclusively > intended to their addressee. 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