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Common SLURM environment variables

Common SLURM Environment Variables

Variable	Description
$SLURM_JOB_ID	The Job ID.
$SLURM_JOBID	Deprecated. Same as $SLURM_JOB_ID
$SLURM_SUBMIT_DIR	The path of the job submission directory.
$SLURM_SUBMIT_HOST	The hostname of the node used for job submission.
$SLURM_JOB_NODELIST	Contains the definition (list) of the nodes that is assigned to the job.
$SLURM_NODELIST	Deprecated. Same as SLURM_JOB_NODELIST.
$SLURM_CPUS_PER_TASK	Number of CPUs per task.
$SLURM_CPUS_ON_NODE	Number of CPUs on the allocated node.
$SLURM_JOB_CPUS_PER_NODE	Count of processors available to the job on this node.
$SLURM_CPUS_PER_GPU	Number of CPUs requested per allocated GPU.
$SLURM_MEM_PER_CPU	Memory per CPU. Same as --mem-per-cpu .
$SLURM_MEM_PER_GPU	Memory per GPU.
$SLURM_MEM_PER_NODE	Memory per node. Same as --mem .
$SLURM_GPUS	Number of GPUs requested.
$SLURM_NTASKS	Same as -n, –ntasks. The number of tasks.
$SLURM_NTASKS_PER_NODE	Number of tasks requested per node.
$SLURM_NTASKS_PER_SOCKET	Number of tasks requested per socket.
$SLURM_NTASKS_PER_CORE	Number of tasks requested per core.
$SLURM_NTASKS_PER_GPU	Number of tasks requested per GPU.
$SLURM_NPROCS	Same as -n, --ntasks. See $SLURM_NTASKS.
$SLURM_NNODES	Total number of nodes in the job’s resource allocation.
$SLURM_TASKS_PER_NODE	Number of tasks to be initiated on each node.
$SLURM_ARRAY_JOB_ID	Job array’s master job ID number.
$SLURM_ARRAY_TASK_ID	Job array ID (index) number.
$SLURM_ARRAY_TASK_COUNT	Total number of tasks in a job array.
$SLURM_ARRAY_TASK_MAX	Job array’s maximum ID (index) number.
$SLURM_ARRAY_TASK_MIN	Job array’s minimum ID (index) number.

A full list of environment variables for SLURM can be found by visiting the SLURM page on environment variables.