MPI sorter with buffers, missing SnowPlow technique

2026-10-16 13:42:05 +00:00 · 2023-12-01 01:57:05 +00:00
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+# Usage of cluster with slurm
+
+Information about che cluster and partitions could be obtained doing:
+ sinfo
+ scontrol show partition
+
+With srun we cen reserve a subset of the resources of the compute nodes for out tasks:
+More parameters are provided in the documentation.
+ srun --partition=production --time=00:30:00 --nodes=1 --pty bash -i
+ (take for half hour 1 node from the production partition and launch the command 'bash -i')
+
+To simplify all this expression we can create a basic batch file with all directives and the code to run.
+Is a good thing to redirect the output in a file to save it securely.
+ sbatch run.sh
+
+Example of batch script
+ #!/bin/bash
+ #SBATCH -n 10
+ #SBATCH --time=00:30:00
+ ...
+ mpirun ./my_exec_code
+
+To see the queue of jobs in the system we can run
+ squeue
+ squeue --long
+
+To remove a job from the queue we can run
+ scancel <job/process_id>