HIGH PERFORMANCE COMPUTING

Arc is UTSA's high-performance computing cluster and is maintained by Tech Solutions’ (UTS) Research Computing Support Group (RCSG). RCSG provides technical support for Arc, which includes: 

  • Assistance and support, including training sessions, to all our users so they can maximize the utilization of Arc resources 
  • Application installation and support across the Arc environment 
  • Arc Operating System updates and security 
  • Installation and Maintenance of all Arc hardware components 
  • Troubleshooting all aspects of the environment, including both user and system issues
Requesting accounts on ARC:

ABOUT ARC

Arc comprises

  • 172 total compute/GPU nodes and 2 login nodes, the majority of these are Intel Cascade Lake CPUs and some are AMD EPYC CPUs 
  • 30 GPU nodes - each containing two CPUs with 20 cores each for a total of 40 cores, 384GB RAM, and each including one V100 Nvidia GPU accelerator
  • 5 GPU nodes - each containing two CPUs with 20 cores each for a total of 40 cores, 384GB RAM, and each including two V100 Nvidia GPU accelerators
  • 2 GPU nodes - each containing two CPUs and 4 V100 GPUs, and 384 GB RAM
  • 2 GPU nodes - each having two AMD EPYC CPUs and having one A100 80 GB GPU, and 1 TB RAM
  • 2 large-memory nodes, each containing four CPUs with 20 cores each for a total of 80 cores, and each including 1.5TB of RAM
  • 1 large-memory node, equipped with two AMD EPYC CPUs and 2 TB of RAM
  • 6 nodes equipped with two AMD EPYC CPUs and having 1 TB of RAM
  • 100Gb/s Infiniband connectivity
  • Two Lustre filesystems: /home and /work, where /home has 110 TBs capacity and /work has 1.1 PB of capacity
  • A cumulative total of 250TB of local scratch (approximately 1.5 TB of /scratch space on most compute/GPU nodes) 

Software installation can be requested by submitting a ticket via ServiceNow.