https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation The WebDocumentation web of Foswiki. New Documentation for ARC en-us Copyright 2026 by contributing authors Wiki Administrator [rcsg@utsa.edu] The contributing authors of Foswiki Foswiki https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation https://hpcsupport.utsa.edu/foswiki/bin/../pub/System/ProjectLogos/foswiki-logo.png https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/WebHome : 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) 2026-08-11T16:04:14Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/AboutArcCluster 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) 2026-05-20T20:42:50Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/DesigningAndRunningParallelPrograms 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) 2025-10-31T16:03:39Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/LoggingIntoARC 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) 2025-10-09T18:37:19Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MonitoringBatchJobs 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) 2025-10-08T20:39:38Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/RunningApplicationsInteractivelyAndSubmittingBatchJobs 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) 2025-10-08T16:17:54Z ZhiweiWang https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MigratingDataToArc 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) 2025-10-07T15:50:25Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/UsingTensorflowWithMultipleGPUs 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) 2024-10-28T21:35:25Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/UsingVectorEnginesOnArc 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) 2024-10-28T21:35:25Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/ApplicationCheckpointingAndRestartOnArc 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/ArcFairUsePolicy 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/HTMLVersion-LoggingIntoArcAndSubmittingJobs 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/MonitoringYourJobs 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/OpenMPI 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/PythonDependencyJob 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/SimpleCheckpointAndRestartForPythonUsingAClass 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) 2024-10-28T21:35:24Z admin