Dos and Don'ts

Here is a collection of things to do and not to do on the clusters.

  • Always use the queue system for running jobs. The login nodes are only for file tranfer, compilation, editing, job submission and short tests, etc. If you run production jobs on the login nodes, we will kill them and email you about it. If you continue to do it, we might have to lock your account.
  • Don't run interactive calculations on the login nodes; use srun or salloc.
  • Don't use --exclusive in job scripts. It does not "play well" with --mem-per-cpu.
  • Don't use --hint=nomultithread in jobs on Fram, at least not with Intel MPI. If you do, the result is that all the tasks (ranks) will be bound to the first CPU core on each compute node.

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