https://www.nas.nasa.gov/hecc/support/kb/ https://www.nas.nasa.gov/hecc/support/kb/amd-turin-processors_714.html The AMD Turin nodes of the new Athena cluster are installed in a module located less than a mile from the main NAS building. This is a simplified configuration of an AMD Turin node with two EPYC 9745 processors (i.e., two sockets) and a... Systems Reference/Athena Mon, 09 Nov 2026 10:27:58 -0800 https://www.nas.nasa.gov/hecc/support/kb/athena-configuration-details_715.html Athena is a modular computing system housed in NASA's Modular Supercomputing Facility, located less than a mile from the main NAS building. Athena is configured as follows: AMD Turin-Based Compute Resources 6 racks 1,536 Turin nodes 393,216... Systems Reference/Athena Mon, 09 Nov 2026 10:27:27 -0800 https://www.nas.nasa.gov/hecc/support/kb/preparing-to-run-on-athena-turin-nodes_716.html To help you prepare for running jobs on Athena's Turin nodes, this short user guide includes information on the general configuration of Turin nodes, compiling your code, and running PBS jobs. Athena Front-End Systems Four new front-ends... Running Jobs with PBS/PBS on Athena Mon, 09 Nov 2026 10:26:32 -0800 https://www.nas.nasa.gov/hecc/support/kb/how-do-i-add-more-hours-to-my-account_2.html Only principal investigators (PIs) can make allocation requests. If you want to add more hours to your account, contact your PI. For PIs: See Requesting an Allocation. FAQs Mon, 09 Nov 2026 10:25:01 -0800 https://www.nas.nasa.gov/hecc/support/kb/preparing-to-run-on-endeavour_652.html The Endeavour supercomputer comprises two nodes, Endeavour3 and Endeavour4. Each of the two systems includes 896 cores and six terabytes (TB) of global shared memory. See Endeavour Configuration Details for more hardware information. Endeavour 3... Systems Reference/Endeavour Wed, 04 Nov 2026 12:52:58 -0800 https://www.nas.nasa.gov/hecc/support/kb/nas-lustre-filesystems_225.html All NAS systems share several filesystems intended to provide working space for compute jobs. These filesystems, called "nobackup" (/nobackuppX), provide more than 90 petabytes (PB) of disk space and serve many thousands of cores. The /nobackup... Systems Reference/Filesystems Tue, 03 Nov 2026 11:15:02 -0800 https://www.nas.nasa.gov/hecc/support/kb/job-accounting_171.html Usage on HECC compute systems is charged using a standard billing unit (SBU). SBUs are charged to each PBS job running on the compute nodes according to the following formula: SBUs charged = wall-clock hours used * number of MAUs * SBU rate ... Allocations & Job Accounting Fri, 16 Oct 2026 14:59:45 -0700 https://www.nas.nasa.gov/hecc/support/kb/reserving-a-dedicated-compute-node_556.html The reservable front end feature allows you to reserve dedicated access to an Electra compute node for up to 90 days. You can use the node the same way you would use a PFE—to submit jobs and perform other tasks such as post-processing,... Running Jobs with PBS/Managing Jobs Fri, 16 Oct 2026 11:31:42 -0700 https://www.nas.nasa.gov/hecc/support/kb/pbs-job-queue-structure_187.html Running Jobs on Athena To run a PBS job on the Athena compute nodes, submit the job from one of the Athena front-end systems (ATHFEs) to one of the queues managed by the PBS server pbs06a: devel, normal, long, and wide. Note: You cannot submit... Running Jobs with PBS/PBS on Cabeus Wed, 14 Oct 2026 13:50:20 -0700