Oak Ridge Leadership Computing Facility – The OLCF was established at Oak Ridge National Laboratory in 2004 with the mission of standing up a supercomputer 100 times more powerful than the leading systems of the day.

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About OLCF
- - ORNL’s supercomputing program grew from humble beginnings to deliver the most powerful system ever seen. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.
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OLCF Resources
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. For User support in using these resources, please visit the For Users section of this website.
- - Compute Systems
- - Data & Visualization Resources
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R&D Activities
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. Please note that the For Users section of this website provides extensive information on accessing and employing these resources.
- Close
Science at OLCF
- - The Oak Ridge Leadership Computing Facility (OLCF) engages a world-class team from national laboratories, research institutions, computing centers, universities, and vendors to take a dramatic step forward to field a new capability for high-end science.
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For Users
- - Contact Support
    
    Need assistance from a trained OLCF support staff member? We're here to help.
    
    User Assistance Center
    
    Submit a Support Ticket
    
    Call: 865.241.6536
    
    Email: help@olcf.ornl.gov
    
    Status Tweets: @olcfstatus
- - OLCF User Docs
- - Training
- - Center Announcements
  - Acknowledgement Statement
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Community
- - Look here for the latest news, reports, and graphics from the OLCF, including branding tools, logos, and acknowledgement statements. You will also find archived information and resources like annual reports and operational assessments.
- Close

Menu

About OLCF
- - ORNL’s supercomputing program grew from humble beginnings to deliver the most powerful system ever seen. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.
- Close
OLCF Resources
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. For User support in using these resources, please visit the For Users section of this website.
- - Compute Systems
- - Data & Visualization Resources
- Close
R&D Activities
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. Please note that the For Users section of this website provides extensive information on accessing and employing these resources.
- Close
Science at OLCF
- - The Oak Ridge Leadership Computing Facility (OLCF) engages a world-class team from national laboratories, research institutions, computing centers, universities, and vendors to take a dramatic step forward to field a new capability for high-end science.
- Close
For Users
- - Contact Support
    
    Need assistance from a trained OLCF support staff member? We're here to help.
    
    User Assistance Center
    
    Submit a Support Ticket
    
    Call: 865.241.6536
    
    Email: help@olcf.ornl.gov
    
    Status Tweets: @olcfstatus
- - OLCF User Docs
- - Training
- - Center Announcements
  - Acknowledgement Statement
- Close
Community
- - Look here for the latest news, reports, and graphics from the OLCF, including branding tools, logos, and acknowledgement statements. You will also find archived information and resources like annual reports and operational assessments.
- Close

OLCF Now

Announcements & Events

Center Updates

More Updates

Upcoming Events

01Dec

Lessons and Tips from OLCF’s Crusher Hackathons

Thursday

09Dec

Crusher User Experience Talks

Friday

14Dec

December 2022 OLCF User Conference Call: TBA

Wednesday

14Dec

Preparing for Frontier: Using HIP and GPU Libraries with OpenMP

Wednesday

No event found!

OLCF Support

Computing at the OLCF

User Documentation

All the information you’ll need about getting an account, requesting a project, connecting and more.

System User Guides

The definitive source for information on a particular OLCF system including resource specific specs, user guides, and best practices.

Training

Archives of training materials, hands-on technical tutorial, and videos detailing how to use OLCF resources and services

Software

Descriptions, usage information, and version availability of all software packages in use at the OLCF.

OLCF Policy Guide

A comprehensive guide of all official policies of the OLCF.

Documents & Forms

Documents and forms for requesting project allocations, user accounts, software and more.

MyOLCF

User-centric web application to view and report your project allocation usage in various ways.

More at Support

Center Status

Summit

Operational

Up since Nov 15, 2022

Next 10 days scheduled downtimes

Nov 26

Nov 27

Nov 28

Nov 29

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

HPSS

Operational

Up since Nov 18, 2022

Next 10 days scheduled downtimes

Nov 26

Nov 27

Nov 28

Nov 29

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

Andes

Operational

Up since Nov 19, 2022

Next 10 days scheduled downtimes

Nov 26

Nov 27

Nov 28

Nov 29

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

OLCF News

Discover More

Science

LLNL, ORNL unite for UnifyFS

New software release harnesses the power of node-local storage for HPC applications

Science

2022 OLCF User Group Executive Board Election

Science

ORNL staff join industry, government mentors in student cluster competition

The virtual competition hosted twelve student teams from HBCUs and HSIs across the country

Science

New Storage System Complements Existing Capabilities at the OLCF

Themis meets users in the middle with flexible storage options