Change --ntasks-per-node from 36 to 128, barbora to karolina

docs.it4i/general/slurm-job-submission-and-execution.md

@@ -63,11 +63,11 @@ Run interactive job - queue `qcpu_exp`, one node by default, one task by default
 $ salloc -A PROJECT-ID -p qcpu_exp
 ```
 
-Run interactive job on four nodes, 36 tasks per node (Barbora cluster, CPU partition recommended value based on node core count),
+Run interactive job on four nodes, 128 tasks per node (Karolina cluster, CPU partition recommended value based on node core count),
 two hours time limit:
 
 ```console
-$ salloc -A PROJECT-ID -p qcpu -N 4 --ntasks-per-node 36 -t 2:00:00
+$ salloc -A PROJECT-ID -p qcpu -N 4 --ntasks-per-node 128 -t 2:00:00
 ```
 
 Run interactive job, with X11 forwarding:
@@ -95,7 +95,7 @@ Create example job script called script.sh with the following content:
 #SBATCH --account PROJECT-ID
 #SBATCH --partition qcpu
 #SBATCH --nodes 4
-#SBATCH --ntasks-per-node 36
+#SBATCH --ntasks-per-node 128
 #SBATCH --time 12:00:00
 
 ml purge
@@ -111,7 +111,7 @@ Script will:
 * use project PROJECT-ID for job access and accounting
 * use partition/queue qcpu
 * use four nodes
-* use 36 tasks per node - value used by MPI
+* use 128 tasks per node - value used by MPI
 * set job time limit to 12 hours
 
 * load appropriate module
@@ -139,10 +139,10 @@ This can be changed using sbatch options `--output` (shortly `-o`) and `--error`
 Example output of the job:
 
 ```shell
-     36 cn17.barbora.it4i.cz
-     36 cn18.barbora.it4i.cz
-     36 cn19.barbora.it4i.cz
-     36 cn20.barbora.it4i.cz
+     128 cn017.karolina.it4i.cz
+     128 cn018.karolina.it4i.cz
+     128 cn019.karolina.it4i.cz
+     128 cn020.karolina.it4i.cz
 ```
 
 ### Job Environment Variables