Hi Mahmood,

On 3/28/19 7:33 AM, Mahmood Naderan wrote:
>srun --pack-group=0 --ntasks=2 : --pack-group=1 --ntasks=4 pw.x -i mos2.rlx.in <http://mos2.rlx.in>

Still only one node is running the processes
no, the processes are running as had been asked for.

$ squeue
             JOBID PARTITION     NAME     USER ST TIME  NODES NODELIST(REASON)
             755+1    QUARTZ     myQE   ghatee  R 0:47      1 rocks7
             755+0    QUARTZ     myQE   ghatee  R 0:47      1 compute-0-2

compute-0-2 is the first pack (755+0), it should run 2 tasks

$ rocks run host compute-0-2  "ps aux | grep pw.x"
ghatee     541  0.1  0.0 582048  7604 ?        Sl 02:29   0:00 srun --pack-group=0 --ntasks=2 : --pack-group=1 --ntasks=4 pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee     542  0.0  0.0  46452   748 ?        S 02:29   0:00 srun --pack-group=0 --ntasks=2 : --pack-group=1 --ntasks=4 pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee     559 99.6  0.1 1930560 129728 ?      Rl 02:29   0:52 /home/ghatee/QuantumEspresso621/bin/pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee     560 99.7  0.1 1930560 129720 ?      Rl 02:29   0:52 /home/ghatee/QuantumEspresso621/bin/pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee     590  0.0  0.0 113132  1588 ?        Ss 02:30   0:00 bash -c ps aux | grep pw.x
ghatee     629  0.0  0.0 112668   960 ?        S 02:30   0:00 grep pw.x

process ids 559 and 560


rocks7 is the second pack (755+1), it should run 4 tasks

$ rocks run host rocks7  "ps aux | grep pw.x"
ghatee   16219 99.0  0.1 1930484 127764 ?      Rl 10:59   1:00 /home/ghatee/QuantumEspresso621/bin/pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee   16220 99.1  0.1 1930524 127764 ?      Rl 10:59   1:00 /home/ghatee/QuantumEspresso621/bin/pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee   16221 99.0  0.1 1930484 127760 ?      Rl 10:59   1:00 /home/ghatee/QuantumEspresso621/bin/pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee   16222 99.1  0.1 1930496 127760 ?      Rl 10:59   1:00 /home/ghatee/QuantumEspresso621/bin/pw.x -i mos2.rlx.in <http://mos2.rlx.in> ghatee   16391  0.0  0.0 316388 26652 pts/16   Sl+ 11:00   0:00 /opt/rocks/bin/python /opt/rocks/bin/rocks run host rocks7 ps aux | grep pw.x ghatee   16394  0.0  0.0 113132  1368 pts/16   S+ 11:00   0:00 bash -c ps aux | grep pw.x
ghatee   16396  0.0  0.0 112664   952 pts/16   S+ 11:00   0:00 grep pw.x


process ids 16219, 16220, 16221 and 16222

Or did I miss something?


Best
Marcus


Regards,
Mahmood





--
Marcus Wagner, Dipl.-Inf.

IT Center
Abteilung: Systeme und Betrieb
RWTH Aachen University
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