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Both Sol and Phoenix use the same partition and QoS options. Reference this page to help select the best option for your job.

Info

If not explicitly defined, jobs will default to the HTC partition and public QoS.

Partitions

general

The general-use partition comprises all Research Computing-owned nodes. This partition has a wall time limit of 7 days. CPU-only, GPU-accelerated, and FPGA-accelerated jobs will typically use this.

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The lightwork partition is aimed at jobs that require relatively less computing power than typical supercomputing jobs and may stay idle for larger amounts of time. Great examples of this would be creating mamba environments, compiling software, VSCode tunnels, or basic software tests. The aux-interactive command will automatically allocate on the lightwork partition.

Code Block
#SBATCH -p lightwork
#SBATCH -t 1-00:00:00

interactive -p lightwork --mem=1000G

The maximum job time is one day, and the maximum CPU cores per node are 8:

Code Block
[root@admin:tmp]# scontrol show partition lightwork
PartitionName=lightwork
   AllowGroups=ALL AllowAccounts=ALL AllowQos=public,debug
   AllocNodes=ALL Default=NO QoS=public
   DefaultTime=04:00:00 DisableRootJobs=NO ExclusiveUser=NO GraceTime=0 Hidden=NO
   MaxNodes=UNLIMITED MaxTime=1-00:00:00 MinNodes=0 LLN=NO MaxCPUsPerNode=8 MaxCPUsPerSocket=UNLIMITED
   Nodes=sc[001-002]
Info

Jobs that utilize cores to their full potential are more appropriately used in htc or general partitions, where cores are not shared/oversubscribed. Jobs that use full cores to > 99% for a continued duration of time, or jobs that request excessive resources prohibiting other users from using this partition, are subject to cancellation. Repeated misuse of this partition will result in ineligibility from using lightwork going forward.

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