Queues and Reservations

Here are the queues available on Pitzer.

Note that in SLURM, queues are known as partitions as well.
NAME MAX WALLTIME NODES AVAILABLE MIN JOB SIZE MAX JOB SIZE NOTES
Serial 168 hours Available minus reservations 1 core 1 node  
Longserial 336 hours Available minus reservations 1 core 1 node Restricted access (contact OSC Help if you need access)
Parallel 96 hours Available minus reservations 2 nodes 40 nodes   
Longparallel TBD Available minus reservations 2 nodes TBD Not currently supported.
Hugemem 168 hours 4 nodes 1 core 1 node  
Largemem 168 hours 12 nodes 1 core 1 node  
Parallel hugemem TBD 4 nodes 2 nodes TBD Not currently supported.
Parallel largemem TBD 12 nodes 2 nodes TBD Not currently supported.
GPU serial 168 hours Available minus reservations 1 core 1 node Includes dual GPU and quad GPU nodes
GPU parallel 96 hours Available minus reservations 2 nodes 10 nodes Includes dual GPU and quad GPU nodes 
Debug-regular 1 hour Available minus reservations 1 core 2 nodes For small interactive and test jobs
Debug-GPU 1 hour Available minus reservations 1 core 2 nodes For small interactive and test GPU jobs

 

Note:

  • "Available minus reservations" means all standard dense or GPU compute nodes in the cluster currently operational (this will fluctuate slightly), less the reservations for specific projects.
  • To access one of the restricted queues, please contact OSC Help. Generally, access will only be granted to these queues if the performance of the job cannot be improved, and job size cannot be reduced by splitting or checkpointing the job.
  • Only up to 2 quad GPU nodes can be requested in a single job
Supercomputer: 
Service: