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slurm [2022/09/08 13:46] vodrazka [Batch mode] |
slurm [2022/10/03 13:38] vodrazka [Cluster info] |
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====== ÚFAL Grid Engine (LRC) ====== | ====== ÚFAL Grid Engine (LRC) ====== | ||
- | LRC (Linguistic Research Cluster) is a name of ÚFAL' | + | LRC (Linguistic Research Cluster) is the name of ÚFAL' |
+ | Currently there are following partitions (queues) available for computing: | ||
+ | |||
+ | | **Partition name** | **Nodes** | ||
+ | | cpu-troja | ||
+ | | gpu-troja | ||
+ | | gpu-ms | ||
+ | |||
+ | In order to submit a job you need to login to one of the head nodes: | ||
+ | |||
+ | | ||
+ | | ||
===== Basic usage ===== | ===== Basic usage ===== | ||
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#SBATCH -N 2 # number of nodes (default 1) | #SBATCH -N 2 # number of nodes (default 1) | ||
#SBATCH --nodelist=node1, | #SBATCH --nodelist=node1, | ||
- | #SBATCH -c 4 # number of cores/ | + | #SBATCH --cpus-per-task=4 |
#SBATCH --gres=gpu: | #SBATCH --gres=gpu: | ||
#SBATCH --mem=10G | #SBATCH --mem=10G | ||
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</ | </ | ||
+ | === CPU core allocation === | ||
+ | |||
+ | The minimal computing resource in SLURM is one CPU core. However, CPU count advertised by SLURM corresponds to the number of CPU threads. | ||
+ | If you ask for 1 CPU core with < | ||
+ | |||
+ | For example '' | ||
+ | |||
+ | < | ||
+ | $> scontrol show node dll-8gpu1 | ||
+ | $ scontrol show node dll-8gpu1 | ||
+ | NodeName=dll-8gpu1 Arch=x86_64 CoresPerSocket=16 | ||
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+ | </ | ||
+ | In the example above you can see comments at all lines relevant to CPU allocation. | ||