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
    
    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
    
    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

06Dec

December 2023 OLCF User Conference Call: Quantum Computing User Program

Wednesday

07Dec

Using HPE Cray Programming Environment to Port and Optimize Applications to a GPU Environment Using OpenMP Offload or OpenACC,

Thursday

12Dec

Kokkos User Group Meeting 2023

Tuesday

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

Frontier

Operational

Up since Oct 12, 2023

Next 10 days scheduled downtimes

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

Dec 06

Dec 07

Dec 08

Dec 09

Summit

Operational

Up since Nov 7, 2023

Next 10 days scheduled downtimes

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

Dec 06

Dec 07

Dec 08

Dec 09

HPSS

Operational

Up since Nov 28, 2023

Next 10 days scheduled downtimes

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

Dec 06

Dec 07

Dec 08

Dec 09

Andes

Operational

Up since Nov 13, 2023

Next 10 days scheduled downtimes

Nov 30

Dec 01

Dec 02

Dec 03

Dec 04

Dec 05

Dec 06

Dec 07

Dec 08

Dec 09

OLCF News

Discover More

Events

OLCF hosts first in-person user meeting since breaking exascale barrier

Users connect to discuss current systems and prepare for the future of supercomputing

Science

Integrated Research Infrastructure at ORNL

Science

ESnet Turns On 400G Circuits to Four DOE National Labs, Supercharging Multi-Site Scientific Research

Argonne, Oak Ridge, and Pacific Northwest National Laboratories and NERSC are first to have access to cutting-edge networking speeds – with more on the way

Science

New Study Reveals the Influence of Natural Climate Drivers on Extreme Monsoons in Pakistan

Analysis identified oceanic and atmospheric influences that account for over 70% of monsoon variability over Pakistan