We've been experiencing some instability on the clusters (particularly Cardinal and Ascend). 

Search Documentation

Search Documentation

FY26 budgets: Action may be required

  • By default, the majority of budgets have an expiration of Monday, June 30, 2025.
  • Most Ohio academic clients will need to set new budgets for FY26 before June 30 to avoid service disruption, depending on the project type as detailed below. FY26 is the period of July 1, 2025 through June 30, 2026.
Ascend, Cardinal, Pitzer

Intel's implementation of the Message Passing Interface (MPI) library. See Intel Compilers for available compiler versions at OSC.

Cardinal

Ollama is an open-source inference server supporting a number of generative AI models.  This module also includes Open-WebUI, which provides an easy-to-use web interface.

Ascend, Pitzer

Ruby is a dynamic, open source programming language with a focus on simplicity and productivity.

Availability and Restrictions

Versions

The following versions of ruby are available on OSC clusters:

Options:

  • Duo Mobile: You can install Duo Mobile on your smartphone or tablet. It will give you two ways to authenticate either through DUO push notification or DUO mobile passcode
  • Text Message Passcode: You can register your phone and request a passcode via text message. It will send you a single use passcode via text message
  • Phone Call: You can register your phone and request a phone call. It will call you and provide a single use passcode
Ascend, Cardinal, Pitzer

Introduction

osc-seff is a command developed at OSC for use on OSC's systems and provides a the CPU resource data of the seff command with the GPU resource data of gpu-seff.

Ascend, Cardinal, Pitzer

Introduction

gpu-seff is a command developed at OSC for use on OSC's systems and is similar providing GPU resource data, similar to the CPU resource data reported by the seff command.

Ascend

The following are technical specifications for Quad GPU nodes.  

Number of Nodes

24 nodes

Number of CPU Sockets

48 (2 sockets/node)

Number of CPU Cores

2,304 (96 cores/node)

Cores Per Node

96 cores/node (88 usable cores/node)

Internal Storage

12.8 TB NVMe internal storage

Ascend
We use Slurm syntax for all the discussions on this page. Please check how to prepare slurm job script if your script is prepared in PBS syntax. 

Memory limit

Pages