Difference between revisions of "BwUniCluster2.0/Batch System Migration Guide"
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* Use the time option '''-t''' or '''--time''' (instead of '''-l walltime'''). If only one number is entered behind '''-t''', the default unit is minutes. |
* Use the time option '''-t''' or '''--time''' (instead of '''-l walltime'''). If only one number is entered behind '''-t''', the default unit is minutes. |
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− | * Use the option '''-N 1''' or '''--nodes=1''' and '''c ''x'' ''' (instead of '''-l nodes=1,ppn=''x'' '''). ''x''can be a number between 1 and 40 (because of 40 cores within one node); it can also be a number between 41 and 80 (because of active hyperthreading). |
+ | * Use the option '''-N 1''' or '''--nodes=1''' and '''c ''x''''' or '''--cpus-per-task=''x''''' (instead of '''-l nodes=1,ppn=''x'' '''). '''''x''''' can be a number between 1 and 40 (because of 40 cores within one node); it can also be a number between 41 and 80 (because of active hyperthreading). |
* Use the option ''-m'' or ''--mem'' (instead of ''-l pmem''). The default unit is MegaByte. |
* Use the option ''-m'' or ''--mem'' (instead of ''-l pmem''). The default unit is MegaByte. |
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* If you want to use one node exclusively, you must enter the whole memory (''-m 96327'' or ''--mem=96327''). |
* If you want to use one node exclusively, you must enter the whole memory (''-m 96327'' or ''--mem=96327''). |
Revision as of 12:27, 13 March 2020
1 Serial Programs
- Use the time option -t or --time (instead of -l walltime). If only one number is entered behind -t, the default unit is minutes.
- Use the option -n 1 or --ntasks=1 (instead of -l nodes=1,ppn=1).
- Use the option -m or --mem (instead of -l pmem). The default unit is MegaByte.
- If you want to use one node exclusively, you must enter the whole memory (-m 96327 or --mem=96327).
Example for a serial job
$ sbatch -p single -t 60 -n 1 -m 96327 ./job.sh
The script job.sh (containing the execution of a serial program) is started running 60 minutes exclusively on a batch node.
2 Multithreaded Programs
- Use the time option -t or --time (instead of -l walltime). If only one number is entered behind -t, the default unit is minutes.
- Use the option -N 1 or --nodes=1 and c x or --cpus-per-task=x (instead of -l nodes=1,ppn=x ). x can be a number between 1 and 40 (because of 40 cores within one node); it can also be a number between 41 and 80 (because of active hyperthreading).
- Use the option -m or --mem (instead of -l pmem). The default unit is MegaByte.
- If you want to use one node exclusively, you must enter the whole memory (-m 96327 or --mem=96327).
Example for a serial job
$ sbatch -p single -t 60 -n 1 -m 96327 ./job.sh
A serial program is started running 60 minutes exclusively on a batch node.