Harpers Ferry (2025-)
=====================

Harpers Ferry is WVU's latest HPC Cluster. It was deployed in October 2025 and was funded in part through a NASA Congressionally Directed Spending.

The cluster has a total of 37 compute nodes, one login node all managed from one master node.

Overview
--------

Harpers Ferry is a cluster with 37 compute nodes.

Hardware
--------

HPC has 37 compute nodes. There are two nodes with 3TB of RAM. All other 35 compute nodes have 768 GB.

+-----------------+-----------------+--------------+-----------+----------------------------+
| | Names of      | | Number of     | | CPU cores  | | RAM per | | Sockets CPU Manufacturer |
| | Nodes         | | Nodes         | | per node   | | Node    | | and Processor Model      |
+=================+=================+==============+===========+============================+
| hcocs[001-035]  | 35              | 256          | 768 GB    | 2X AMD EPYC 9754 128-Core  |
+-----------------+-----------------+--------------+-----------+----------------------------+
| hcocx[001-002]  | 2               | 256          | 3072 GB   | 2X AMD EPYC 9754 128-Core  |
+-----------------+-----------------+--------------+-----------+----------------------------+

Specifications of AMD EPYC 9754
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Harpers Ferry compute nodes were build with dual socket 4th Generation AMD EPYC™ Processors.
The following is a quick summary of some relevant features of these processors. 
For more information visit the official website at `AMD 9754`_

+---------------------------------+------------------+
| **Name**                        | AMD EPYC™ 9754   |
+---------------------------------+------------------+
| **Family and Series**           | EPYC 9004 Series |
+---------------------------------+------------------+
| **# of CPU Cores**              | 128              |
+---------------------------------+------------------+
| **# of Threads**                | 256              |
+---------------------------------+------------------+
| **Max. Boost Clock**            | Up to 3.1 GHz    |
+---------------------------------+------------------+
| **All Core Boost Speed**        | 3.1 GHz          |
+---------------------------------+------------------+
| **Base Clock**                  | 2.25 GHz         |
+---------------------------------+------------------+
| **L3 Cache**                    | 256 MB           |
+---------------------------------+------------------+
| **Default TDP**                 | 360 W            |
+---------------------------------+------------------+
| **AMD Configurable TDP (cTDP)** | 320-400 W        |
+---------------------------------+------------------+
| **CPU Socket**                  | SP5              |
+---------------------------------+------------------+
| **Socket Count**                | 1P / 2P          |
+---------------------------------+------------------+
| **Launch Date**                 | 06/13/2023       |
+---------------------------------+------------------+

Software
--------

Workload Manager
~~~~~~~~~~~~~~~~

Harpers Ferry uses Slurm as workload manager. There are five paritions defined and there is a default memory per CPU defined for each partition. The default partition is `defq` and allows jobs for up to 6 hours. See table below for more information about the parititions defined.

+-----------+-------------+------------+--------------------+------------------+
| Partition | Time Limit  | | Number of| | Nodes in         | | Default Memory | 
|           |             | | Nodes    | | Partition        | | per CPU        |
+===========+=============+============+====================+==================+
| defq*     | 6 hours     | 35         | hcocs[001-035]     | 3 GB             |
+-----------+-------------+------------+--------------------+------------------+
| day_3gb   | 1 day       | 35         | hcocs[001-035]     | 3 GB             |
+-----------+-------------+------------+--------------------+------------------+
| day_12gb  | 1 day       | 2          | hcocx[001-002]     | 12 GB            |
+-----------+-------------+------------+--------------------+------------------+
| week_3gb  | 1 week      | 35         | hcocs[001-035]     | 3 GB             |
+-----------+-------------+------------+--------------------+------------------+
| week_12gb | 1 week      | 2          | hcocx[001-002]     | 12 GB            |
+-----------+-------------+------------+--------------------+------------------+


Scientific Software
~~~~~~~~~~~~~~~~~~~

Harpers Ferry has a variety of compilers, numerical libraries, and scientific software specifically compiled and optimized for the hardware architecture.

+--------------+----------------+----------------+-------------+-------------------+
|              | | GNU Compiler | | GNU Compiler | | NVIDIA    | | Intel           | 
|              | | Collection   | | Collection   | | HPCSDK    | | oneAPI          |
+==============+================+================+=============+===================+
| Env. Module  | Host compiler  | gcc/13.1.0     | nvhpc/26.1  | compiler/2025.3.2 |
+--------------+----------------+----------------+-------------+-------------------+
| Version      | 11.5.0         | 13.1.0         | 26.1-0      | 2025.3.2          |
+--------------+----------------+----------------+-------------+-------------------+
| C Compiler   | gcc            | gcc            | nvc         | icx               |
+--------------+----------------+----------------+-------------+-------------------+
| C++ Compiler | g++            | g++            | nvc++       | icpx              |
+--------------+----------------+----------------+-------------+-------------------+
| Fortran      | gfortran       | gfortran       | nvfortran   | ifx               |
+--------------+----------------+----------------+-------------+-------------------+


Acknowledgment Message
----------------------

We ask our users to acknowledge the use of Harpers Ferry in all publications that were possible thanks to this resource. The message in the acknowledgment section could be as follows:

  *Computational resources were provided by the WVU Research Computing Harpers Ferry HPC cluster, which is funded in part through a NASA Congressionally Directed Spending*


.. _AMD 9754: https://www.amd.com/en/products/processors/server/epyc/4th-generation-9004-and-8004-series/amd-epyc-9754.html