Stampede3 Queues#

On Stampede3, you specify a queue by specifying the node type to be used and, where possible, a special case of the node, such a large-memory, or development.

  • nvdimm

    • Ice Lake Large Memory Nodes NVDIMM

  • icx

    • Ice Lake Compute Nodes ICX

  • spr

    • Sapphire Rapids Compute Nodes SPR

  • pvc

    • Ponte Vecchio Compute Nodes PVC

  • skx

    • Skylake Compute Nodes SKX

  • skx-dev

    • Skylake Compute Nodes – Developer Queue SKX

    • Development queue used for testing.

    • Maximum time limit of 2 hours

    • Wait times for development queue are very low.

Production Queues at TACC – Limits on Stampede3#

Below are the current (2025) Queue limits. These limits are subject to change without notice.more

Queue Name

Node Type

Max Nodes per Job (assoc’d cores)

Max Duration

Max Jobs in Queue

Charge Rate (per node-hour)

nvdimm

ICX

1 node (80 cores)

48 hrs

3

4 SUs

icx

ICX

32 nodes (2560 cores)

48 hrs

12

1.5 SUs

spr

SPR

32 nodes (3584 cores)

48 hrs

24

2 SUs

pvc

PVC

4 nodes (384 cores)

48 hrs

2

3 SUs

skx

SKX

256 nodes (12288 cores)

48 hrs

40

1 SU

skx-dev

SKX

16 nodes (768 cores)

2 hrs

1

1 SU

Production Queue Status#

You can view the current status of each queue by accessing the TACC portal. You may need to log in.