The WebDocumentation web of Foswiki. New Documentation for ARC https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation Copyright 2026 by contributing authors <updated>2026-05-20T21:14:34Z</updated> https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/WebHome 2026-05-20T21:14:34Z

: Arc User Guide Arc is the primary High Performance Computing (HPC) system at The University of Texas at San Antonio (UTSA) that can be used for running data in... (last changed by ZhiweiWang)

ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/AboutArcCluster 2026-05-20T20:42:50Z

About Arc Cluster Arc is UTSA's primary high performance (HPC) resource; utilized by researchers, students, faculty and staff from a broad range of disciplines. C... (last changed by ZhiweiWang)

ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/DesigningAndRunningParallelPrograms 2025-10-31T16:03:39Z

Importance of Parallel Programming High Performance Computing (HPC) systems — such as Arc — are clusters composed of many interconnected nodes, each equipped with... (last changed by ZhiweiWang)

ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/LoggingIntoARC 2025-10-09T18:37:19Z

Logging Into Arc from a Linux or Mac Desktop/Laptop You can connect to Arc using your myUTSA ID (abc123) and an SSH client or terminal. Two factor authentication ... (last changed by ZhiweiWang)

ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MonitoringBatchJobs 2025-10-08T20:39:38Z

Managing submitted batch jobs on Arc involves monitoring, controlling, and troubleshooting your jobs using Slurm commands. Below is a concise guide on how to do ... (last changed by ZhiweiWang)

ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/RunningApplicationsInteractivelyAndSubmittingBatchJobs 2025-10-08T16:17:54Z

Running Applications Interactively Running applications interactively on Arc allows you to test, debug, or run graphical or command line programs directly on a co... (last changed by ZhiweiWang)

ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MigratingDataToArc 2025-10-07T15:50:25Z

Migrating Data From Arc to the Isilon archival storage The Isilon storage system serves as secondary, archival storage for research data. It is accessible from bo... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/ArcFairUsePolicy 2024-10-28T21:35:24Z

Arc Fair Use Policy Active Jobs Compute nodes are not shared among multiple users. Instead, when a user grabs a compute node, they will be the only user allowed ... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/Faculty 2024-10-28T21:35:24Z

How to request an account on Arc for Faculty Faculty members who wish to have an account on Arc must submit their request via the form at https://utsa.az1.qualtri... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/GPU 2024-10-28T21:35:24Z

Sample GPU submit script using the Caffe training network Using the Tesla K80 cards: #SBATCH partition="gpu" #SBATCH nodes=1 #SBATCH gres=gpu:k80:1 . /etc/pr... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/ManagingYourFiles 2024-10-28T21:35:24Z

Managing your Files Users on Arc are automatically granted several locations to store their files. Most users will be storing their files in one of two locations,... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/OpenMPI 2024-10-28T21:35:24Z

OpenMPI Submit Script #!/bin/bash # #$ S /bin/bash export MYAPP=./test_openmpi export MYAPP_FLAGS='' #$ N TEST_OPENMPI #$ pe openmpi 4 . /etc/profile.d/... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/PythonVMsInAnaconda 2024-10-28T21:35:24Z

If you need to install your own programs/modules in python you can do it via creating vms. Some programs may need specific versions of modules to work correctly a... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/RTroubleshooting-FixingACorruptedLibraryDirectoryUsingBioconductor 2024-10-28T21:35:24Z

If the user uses bioconductor for biology projects in R and their R library becomes corrupted you can do this command in the R prompt. BiocManager::valid() At t... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/SimpleCheckpointAndRestartForPythonUsingAClass 2024-10-28T21:35:24Z

This is a simple example of a program that checkpoints using python and the pickle class. It will run for 15 minutes. The script checks for a file called "countin... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/TechSupport 2024-10-28T21:35:24Z

Technical Support * For technical support, you can submit a support request for Arc at the following link: https://support.utsa.edu/myportal. Instructions for ... (last changed by AdminUser)

AdminUser