The WebDocumentation web of Foswiki. New Documentation for ARC http://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation Copyright 2026 by contributing authors <updated>2026-08-11T16:04:14Z</updated> http://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/WebHome 2026-08-11T16:04:14Z

: 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 AdminUser)

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

Checkpointing is the process of saving the execution state of an application such that this saved state can be used to continue the execution at a later time. Typ... (last changed by AdminUser)

AdminUser http://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/CProgrammingWithSelf-DefinedCheckpoint-and-Restart 2024-10-28T21:35:24Z

Checkpoint and restart with DMTCP or tools can create large disk images, and the checkpoint details are controlled by the third party system. To avoid the problem... (last changed by AdminUser)

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

Frequently Asked Questions Who can use Arc? The Arc research cluster is available at no charge to all University of Texas at San Antonio students, faculty and st... (last changed by AdminUser)

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

Module Environments A module system helps in managing access to the software packages and versions that you need. If there are multiple versions of a software ava... (last changed by AdminUser)

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

If you have a Python script that is expected to run more than 72 hours on Arc, we suggest you break it into a few smaller tasks, so that each of the tasks runs le... (last changed by AdminUser)

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

Main.AdminUser 29 Jun 2021 (last changed by AdminUser)

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

Here's a simple example of a checkpointing program being run with a slurm job script that will automatically generate a restart script for when you need to restar... (last changed by AdminUser)

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

Python virtual environments (VE )are saved in your home directory by default. However, in case you are running out of space in your home directory, you can save t... (last changed by AdminUser)

AdminUser