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slurm [2022/09/08 12:48]
vodrazka [Interactive mode] 		slurm [2022/09/13 10:01]
vodrazka [ÚFAL Grid Engine (LRC)]
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 ====== ÚFAL Grid Engine (LRC) ====== ====== ÚFAL Grid Engine (LRC) ======
  
-LRC (Linguistic Research Cluster) is a name of ÚFAL's computational grid/cluster.+LRC (Linguistic Research Cluster) is the name of ÚFAL's computational grid/cluster. The cluster is built on top of [[https://slurm.schedmd.com/|SLURM]] and is using [[https://www.lustre.org/|Lustre]] for [[internal:linux-network#directory-structure|data storage]].
  
 +Currently there are following partitions (queues) available for computing:
 +
 +| **Partition name** | **Nodes**  | **Note** |
 +| cpu-troja      | 7x CPU | default partition |
 +| gpu-troja      | 6x GPU | features: gpuram48G,gpuram40G |
 +| cpu-ms         | 7x GPU | features: gpuram48G,gpuram24G |
 +
 +In order to submit a job you need to login to one of the head nodes:
 +
 +   lrc1.ufal.hide.ms.mff.cuni.cz
 +   lrc2.ufal.hide.ms.mff.cuni.cz
 ===== Basic usage ===== ===== Basic usage =====
  
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 #!/bin/bash #!/bin/bash
 #SBATCH -J helloWorld   # name of job #SBATCH -J helloWorld   # name of job
-#SBATCH -p cpu-troja   # name of partition or queue+#SBATCH -p cpu-troja   # name of partition or queue (if not specified default partition is used)
 #SBATCH -o helloWorld.out   # name of output file for this submission script #SBATCH -o helloWorld.out   # name of output file for this submission script
 #SBATCH -e helloWorld.err   # name of error file for this submission script #SBATCH -e helloWorld.err   # name of error file for this submission script
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 <code> <code>
 sinfo sinfo
 +</code>
 +
 +List detailed info about nodes:
 +<code>
 +sinfo -l -N
 </code>  </code> 
  
-List types of available GPUs:+List nodes with some custom format info:
 <code> <code>
-sinfo -o %G+sinfo -N -o "%N %P %.11T %.15f"
 </code> </code>
  
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 <code>srun -p cpu-troja --mem=64G --pty bash</code> <code>srun -p cpu-troja --mem=64G --pty bash</code>
  
-  * ''-p cpu-troja'' explicitly requires partition ''cpu-troja''+  * ''-p cpu-troja'' explicitly requires partition ''cpu-troja''. If not specified slurm will use default partition.
   * ''--mem=64G'' requires 64G of memory for the job   * ''--mem=64G'' requires 64G of memory for the job
  
-<code>srun -p gpu-troja --nodelist=tdll-3gpu1 --mem=64G --gres=gpu:2 --pty bash</code> +<code>srun -p gpu-troja,gpu-ms --nodelist=tdll-3gpu1 --mem=64G --gres=gpu:2 --pty bash</code> 
 +  * ''-p gpu-troja,gpu-ms'' require only nodes from these two partitions
   * ''--nodelist=tdll-3gpu1'' explicitly requires one specific node   * ''--nodelist=tdll-3gpu1'' explicitly requires one specific node
   * ''--gres=gpu:2'' requires 2 GPUs   * ''--gres=gpu:2'' requires 2 GPUs
 +
 +<code>srun -p gpu-troja --constraint="gpuram44G|gpuram39G" --mem=64G --gres=gpu:2 --pty bash</code>
 +  * ''--constraint="gpuram44G|gpuram39G"'' only consider nodes that have either ''gpuram44G'' or ''gpuram39G'' feature defined
  
 To see all the available options type: To see all the available options type:

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