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srun
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srun [2020/03/11 16:22] root |
srun [2021/03/01 11:14] (current) root |
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| Used from a terminal, srun runs the job in the foreground (and blocks unless you use “& | Used from a terminal, srun runs the job in the foreground (and blocks unless you use “& | ||
| - | If you use srun directly (in a login terminal) your job will end if you close your terminal, unless you redirect IO and **disown** the job. You can also use a " | + | If you use srun directly (in a login terminal) your job will end if you close your terminal |
| ==== Examples ==== | ==== Examples ==== | ||
| srun hostname | srun hostname | ||
| - | |||
| - | srun -n3 hostname (runs 3 **tasks**: copies of the program specified, may run on the same node) | ||
| - | |||
| - | srun -n20 hostname (runs 20 **tasks**, will run on multiple nodes) | ||
| - | |||
| - | srun -N3 hostname (runs on 3 different nodes) | ||
| srun --pty bash -i | srun --pty bash -i | ||
| Line 21: | Line 15: | ||
| * You can specify a specific node with -w node5 (for instance). | * You can specify a specific node with -w node5 (for instance). | ||
| * Will only run if there is a slot available on the node. | * Will only run if there is a slot available on the node. | ||
| + | |||
| + | srun -n3 hostname (runs 3 **tasks**: copies of the program specified, may run on the same node) | ||
| + | |||
| + | srun -n30 hostname (runs 30 **tasks**, will run on multiple nodes since no node in that standard queue has as many as 30 cores) | ||
| + | |||
| + | srun -N3 hostname (runs on 3 different nodes) | ||
srun.1583958157.txt.gz · Last modified: 2020/03/11 16:22 by root
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