The WebDocumentation web of Foswiki. New Documentation for ARC https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation Copyright 2026 by contributing authors <updated>2025-12-18T21:58:02Z</updated> https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/WebHome 2025-12-18T21:58:02Z

: 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/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/UsingTensorflowWithMultipleGPUs 2024-10-28T21:35:25Z

With GPU support, you can significantly improve the performance of a Deep Learning model built with Tensorflow. Running a model with a single GPU is very simple. ... (last changed by AdminUser)

AdminUser https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/UsingVectorEnginesOnArc 2024-10-28T21:35:25Z

Using NEC SX Aurora Vector Engines On Arc This guide provides an overview of the NEC SX Aurora TSUBASA Vector Engines (VE) nodes available on the Arc HPC Cluster.... (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/LoggingIntoArcAndSubmittingJobs 2024-10-28T21:35:24Z

Table of Contents LOGGING INTO ARC. 1 ACCESSING COMPUTE NODES ON ARC. 1 RUNNING JOBS INTERACTIVELY WITH THE SRUN COMMAND.. 3 SUBMITTING BATCH JOBS WITH THE SBATCH... (last changed by AdminUser)

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

The base R package is provided on Arc via modules on the compute nodes. First, start an interactive session on a compute node by tpying: srun p compute1 n 1 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/UsingPyTorchOnArc 2024-10-28T21:35:24Z

OVERVIEW PyTorch is a Python based scientific computing package. It is an automatic differentiation library that is useful to implement neural networks. Just like... (last changed by AdminUser)

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