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

29Sep

OpenMP Offload Part 1: Basics of Offload 2023

Friday

02Oct

GPU Profiling (Performance Timelines: Rocprof and Omnitrace)

Monday

06Oct

OpenMP Offload Part 2: Optimization and Data Management 2023

Friday

10Oct

Performance Portability Training Series: RAJA

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 Sep 26, 2023

Next 10 days scheduled downtimes

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

Oct 08

Summit

Operational

Up since Sep 12, 2023

Next 10 days scheduled downtimes

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

Oct 08

HPSS

Operational

Up since Sep 19, 2023

Next 10 days scheduled downtimes

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

Oct 08

Andes

Operational

Up since Sep 28, 2023

Next 10 days scheduled downtimes

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

Oct 08

OLCF News

Discover More

Science

DOE’s First ‘Intro to HPC’ Bootcamp Focuses on Energy Justice and a New Model for Workforce Development

Broad-based program emphasizes social issues to attract a diverse pool of students to computing sciences.

ORNL Researchers Develop Open-Source Mixed-Precision Benchmark Tool

OpenMxP reveals the high-speed, lower-precision performance of GPU-driven supercomputers

Steven Hamilton ORNL

ExaSMR Nominated for 2023 ACM Gordon Bell Prize

The ECP-supported software stack produces the highest-resolution nuclear reactor systems simulations yet by leveraging exascale supercomputers

Trees and a green lawn in front of a brick and glass building.

OLCF to host 19th annual user meeting in October

The hybrid event welcomes users and non-users of the OLCF.