Slurm Partitions

Partition Overview

Oscar has the following slurm partitions. The number and size of jobs allowed on Oscar vary with both partition and type of user account. You can email [e-mail] if you need advice on which partitions to use‌.

To list partitions on Oscar available to your account, run the following command:

sinfo -O "partition"     

To view all partitions (including ones you don't have access to), replace the -O in the command above with -aO.

Name	Purpose
batch	general purpose computing
debug	short wait time, short run time partition for debugging
vnc	graphical desktop environment
gpu	GPU nodes
gpu-he	High End GPU nodes
gpu-debug	short wait time, short run time partition for gpu debugging
batch_preempt	Preemptible CPU computing resources
gpu_preempt	Preemptible Standard GPU computing resources.
gpu_he_preempt	Preemptible High End GPU computing resources.

batch is the default partition.

Partition Details

Below are brief summary of partitions. Please refer to the System Overview page for more details on nodes in these partition.

batch

• General purpose computing

• Priority is determined by account type (from highest

  to lowest: condo, priority, exploratory)

Condo limits apply to the group (i.e., they reflect the sum of all users on the condo). Condo users can check the limits on their condo with the command condos.

There is no limit on the time for condo jobs, but users should be aware that planned maintenance on the machine may occur (one month’s notice is given prior to any planned maintenance).‌

debug

• Short wait time, short run time access for debugging

• All users have the same limits and priority on the debug partition

vnc

• These nodes are for running VNC sessions/jobs

• Account type may affect Priority

gpu

• For GPU-based jobs

• GPU Priority users get higher priority and more resources than free users on the GPU partition

• Condo users submit to the gpu partition with normal or priority access (if they have a priority account in addition to their condo)

gpu-he

• For GPU-based jobs

• Uses Tesla V100 GPUs

• Restricted to High End GPU Priority users

gpu-debug

• Short wait time, short run time gpu access for debugging

• All users have the same limits and priority on the gpu-debug partition

batch_preempt, gpu_preempt & gpu_he_preempt

• Available exclusively to condo account holders and priorty account users to run jobs beyond their resource caps.

• Jobs are preemptible: if a non-preemptable condo job requires resources, your preempted job will be stopped. Batch jobs are automatically requeued.

• Only condo users can preempt jobs in the preemptible partitions.

• Requires application checkpointing. For detailed setup guides, script examples, and signal handling, see the Preemptible Partitions Guide.