Converting PBS/Torque options to Slurm

This is preliminary documentation for the pilot users. It will be further refined as the pilot progresses.

See also the Slurm Rosetta Stone of Workload Managers (PDF document).

Common tasks in Torque/Moab and Slurm

Task

Torque/Moab

Slurm equivalent

Submit a job

qsub

sbatch

Cancel a job

qdel

scancel

List jobs in the queue

qstat, showq

squeue

#PBS / qsub command line options

When specified in a Torque job script, the line specifying the option should start with #PBS. In Slurm, such lines start with #SBATCH.

PBS/Torque

Slurm equivalent

-L tasks=<X>:lprocs=<Y>

–ntasks=<X> –cpus-per-task=<Y>

-l walltime=<time>

-t <time>, –time=<time>

-N <jobname>

-J <jobname>, –job-name=<jobname>

-o <file>

-o <file template>, –output=<file template>

-e <file>

-e <file template>, –error=<file template>, default is sending stderr to stdout

-m abe

–mail-type=FAIL,BEGIN,END

-M <mailaddress>

–mail-user=<mailaddress>

-v <variable list>

–export=<variable list>

Environment variables

PBS variable

Slurm variable

PBS_JOBID

SLURM_JOB_ID
SLURM_JOBID (for backward compatibility)

PBS_JOBNAME

SLURM_JOB_NAME
%j in filename templates

PBS_NODENUM

PBS_NODEFILE

Replaced by a variable specifying the nodes rather than a node file: SLURM_JOB_NODELIST, SLURM_NODELIST (for backward compatibility)

PBS_NUM_NODES

SLURM_JOB_NUM_NODES
SLURM_NNODES (for backward compatibility)

PBS_NUM_PPN

PBS_NP

PBS_O_WORKDIR

SLURM_SUBMIT_DIR
Slurm executes the job in the directory from which the job was submitted (unless otherwise specified) rather than the home dir.

PBS_WALLTIME

No equivalent.