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/Checkpoint-and-RestartForR 2024-10-28T21:35:24Z

If your R script is expected to run beyond the 72 hour limit on Arc, we suggest implementing a checkpointing and restart mechanism in your script. This will help ... (last changed by AdminUser)

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

Monitoring your jobs Using the squeue Command Check the status of all jobs on Arc using the squeue command (this is just an example compute names may be differe... (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/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/UsingAbaqusOnArc 2024-10-28T21:35:24Z

ABAQUS on Arc The ABAQUS software suite from Dassault Systems is used for finite element analysis and computer aided engineering. The ABAQUS software is used in t... (last changed by AdminUser)

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

NAMD is a computer software application for molecular dynamics simulation. We have MPI and multiple core versions installed on Arc. The software is accessible via... (last changed by AdminUser)

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