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Cheaha is a high-performance computing (HPC) platform available to all researchers in the UAB research community, and is operated by the UAB IT Research Computing (UABRC) team.
If you encounter any issues while using Open OnDemand, please email <support@listserv.uab.edu> with OOD included in the subject line.
For more information on Cheaha and the tools available to support research please review the documentation at <https://docs.rc.uab.edu/>. For more information on using Open OnDemand, please see <https://docs.rc.uab.edu/cheaha/open_ondemand/ood_main/>.
------------------- Available Slurm Partitions --------------------------
| Partition | Nodes | Nodes Per Researcher | Time Limit | Priority Tier |
| :----------------- | ----: | -------------------: | ---------------: | ------------: |
| interactive | 52 | 1 | 2 hours | 20 |
| express | 52 | UNLIMITED | 2 hours | 20 |
| short | 52 | 44 | 12 hours | 16 |
| medium | 52 | 44 | 2 days, 2 hours | 12 |
| long | 52 | 5 | 6 days, 6 hours | 8 |
| intel-dcb | 21 | 5 | 6 days, 6 hours | 8 |
| amd-hdr100 | 33 | 5 | 6 days, 6 hours | 8 |
| | | | | |
| **GPU** | | | | |
| amperenodes | 20 | 2 | 12 hours | 16 |
| amperenodes-medium | 10 | 2 | 2 days, 0 hours | 16 |
| pascalnodes | 18 | UNLIMITED | 12 hours | 16 |
| pascalnodes-medium | 7 | UNLIMITED | 2 days, 0 hours | 15 |
| | | | | |
| **Large mem** | | | | |
| largemem | 14 | 10 | 2 days, 2 hours | 6 |
| largemem-long | 5 | 10 | 6 days, 6 hours | 6 |
Use of Cheaha, and other UABRC resources, is governed by the
[UAB Acceptable Use Policy for Computer and Network Resources](https://secure2.compliancebridge.com/uab/portal/getdoc.php?file=300)
and other relevant [UAB IT Policies](https://www.uab.edu/it/home/policies).