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Development Nodes

ARCHIE has four additional "development" nodes intended for testing jobs and testing code development.

These nodes are essentially identical to the standard nodes, but have a maximum runtime of 1 hour. This should allow a fast turnaround time for users who are testing and developing code, or who want to test job scripts and/or input files/parameters.

To run on the "dev" partition you should use in your job script:

   #SBATCH --partition=dev

or if using the srun command to to obtain an interactive session you should use something like:

    srun --account=testing --partition=dev --time=00:30:00 --x11 --ntasks=8 --pty bash

Note that the dev partition is subject to the following limitations:

  • maximum runtime of 1 hour
  • maximum of 1 job running at a time
  • maximum of 1 node per job (mpi can be tested, but not across multiple nodes)
  • use of --exclusive is not permitted
  • 4.5GB RAM per core as usual, and max of 180GB per node

This means that multi-core jobs should not be tested on the login nodes, but on the dev nodes instead. Anyone with permission to run on the standard nodes should be able to run immediately on the dev partition. If you encounter any problems, email support.