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 ZhiweiWang) 2025-12-18T21:58:02Z 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/CProgrammingWithSelf-DefinedCheckpoint-and-Restart 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/Checkpoint-and-RestartForR 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/FAQ 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/GPU 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) 2024-10-28T21:35:24Z admin https://hpcsupport.utsa.edu/foswiki/bin/view/WebDocumentation/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/ModuleEnvironments 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) 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