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slurm [2022/09/06 14:18] vodrazka [Batch mode] |
slurm [2022/10/17 10:35] fucik [Interactive mode] |
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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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#!/bin/bash | #!/bin/bash | ||
#SBATCH -J helloWorld | #SBATCH -J helloWorld | ||
- | #SBATCH -p cpu-troja | + | #SBATCH -p cpu-troja |
#SBATCH -o helloWorld.out | #SBATCH -o helloWorld.out | ||
#SBATCH -e helloWorld.err | #SBATCH -e helloWorld.err | ||
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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 | ||
+ | </ | ||
+ | |||
+ | If you need you can have slurm report to you: | ||
+ | |||
+ | < | ||
+ | #SBATCH --mail-type=begin | ||
+ | #SBATCH --mail-type=end | ||
+ | #SBATCH --mail-type=fail | ||
+ | #SBATCH --mail-user=< | ||
</ | </ | ||
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</ | </ | ||
- | filter jobs in specific state (e.g. '' | + | filter jobs in specific state (see '' |
< | < | ||
squeue -t RUNNING | squeue -t RUNNING | ||
</ | </ | ||
+ | |||
+ | filter jobs running on a specific node: | ||
+ | < | ||
+ | squeue -w dll-3gpu1 | ||
+ | </ | ||
+ | |||
+ | ==== Cluster info ==== | ||
+ | |||
+ | The command '' | ||
+ | |||
+ | List available partitions(queues). The default partition is marked with '' | ||
+ | < | ||
+ | sinfo | ||
+ | </ | ||
+ | |||
+ | List detailed info about nodes: | ||
+ | < | ||
+ | sinfo -l -N | ||
+ | </ | ||
+ | |||
+ | List nodes with some custom format info: | ||
+ | < | ||
+ | sinfo -N -o "%N %P %.11T %.15f" | ||
+ | </ | ||
+ | |||
+ | === 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 | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | | ||
+ | </ | ||
+ | |||
+ | In the example above you can see comments at all lines relevant to CPU allocation. | ||
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< | < | ||
- | Where: | + | |
- | | + | |
* '' | * '' | ||
+ | |||
+ | < | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | |||
+ | < | ||
+ | * '' | ||
To see all the available options type: | To see all the available options type: |