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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.
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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.
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#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:
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[spock@sg008:~]$ 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] |
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Jobs that utilize cores to their full potential are more appropriately used in |
QOS
public
The public QOS should be used for any jobs that use public Research Computing Resources. This includes any job submitted to the above-listed partitions. Under most circumstances, public is the preferred QOS.
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This is a special-case QOS not available by default, it is granted on a user-by-user basis; if you are interested in using this QOS, please be ready to share a job ID demonstrating the need and effective use of existing core allocations. If you have any questions, feel free to ask staff and also explore the Slurm EFFiciency reporter: /wiki/spaces/RC/pages/395083777
class
If you are using Research Computing supercomputers as part of coursework, you will have been granted access to the class QOS.
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#SBATCH -p general
#SBATCH -q class
interactive -p general -q class |
Jobs submitted with the class QOS are limited to 1 CPU, 1 A100 MIG slice of 10GB, and 40GB of system memory at any given time. This helps to ensure that classes can have faster access to compute resources for coursework, albeit at a limited capacity.
Additional Help
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