SBATCH and SRUN Options

Flag Syntax

Description

Notes

--time=0-01:00:00

Requested walltime

Default=0-00:01:00

--nodes=2

Number of nodes for job

Default=1

--job-name=myJob

Name of your job

Optional

--ntasks=8

Number of parallel tasks to run

For MPI jobs and job steps, Default=1

--ntasks-per-node=2

Number of tasks to start on each node

Default=1

--mem=1gb

Memory requested for the job

No default

--cpus-per-task=2

Number of cpu cores requested per task

For multi-threaded jobs, Default=1

--mem-per-cpu=1gb

Memory to use per cpu core requested

No default

--account=someLab

Requests access to private account partition

Optional

--array=1-5

Used for job array tasks

Example: 5 array tasks numbered 1-5

--output=test.out

Specifies stdout file

Default is slurm-<jobid>.out

--partition=general-short

Requests specific SLURM node partition

Optional

--constraint=gpu

Requests nodes with a particular feature

Optional

--mail-user=<address>

Specify the email address to send job status

Optional

--mail-type=ALL

Specify when to send job-related email

Must be used with --mail-user

--exclusive

At the job-level will not share the node w/ other jobs

Optional