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
- - System User Guides –
  - Software –
- - Training –
- Close
OLCF Media –
- - 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.
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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
- - System User Guides –
  - Software –
- - Training –
- Close
OLCF Media –
- - 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

05Nov

Programming Methods for Summit’s Multi-GPU Nodes

Monday,

03Dec

Summit Training Workshop

Monday, Crowne Plaza Hotel

21May

2019 OLCF User Meeting

Tuesday, ORNL

No event found!

OLCF Support

Computing at the OLCF

Getting Started

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

Titan

Operational

Up since Sep 12, 2018

Next 10 days scheduled downtimes

Oct 24

Oct 25

Oct 26

Oct 27

Oct 28

Oct 29

Oct 30

Oct 31

Nov 01

Nov 02

Eos

Operational

Up since Aug 31, 2018

Next 10 days scheduled downtimes

Oct 24

Oct 25

Oct 26

Oct 27

Oct 28

Oct 29

Oct 30

Oct 31

Nov 01

Nov 02

Rhea

Unavailable

Down since Oct 23, 2018

Next 10 days scheduled downtimes

Oct 24

Oct 25

Oct 26

Oct 27

Oct 28

Oct 29

Oct 30

Oct 31

Nov 01

Nov 02

HPSS

Operational

Up since Oct 16, 2018

Next 10 days scheduled downtimes

Oct 24

Oct 25

Oct 26

Oct 27

Oct 28

Oct 29

Oct 30

Oct 31

Nov 01

Nov 02

Atlas1

Operational

Up since Aug 23, 2018

Next 10 days scheduled downtimes

Oct 24

Oct 25

Oct 26

Oct 27

Oct 28

Oct 29

Oct 30

Oct 31

Nov 01

Nov 02

Atlas2

Operational

Up since Sep 14, 2018

Next 10 days scheduled downtimes

Oct 24

Oct 25

Oct 26

Oct 27

Oct 28

Oct 29

Oct 30

Oct 31

Nov 01

Nov 02

OLCF News

Discover More

People

Annual OpenACC Meeting Promotes Programming Innovation

OpenACC users, members converse and collaborate

People

Simple Summit

Two high schoolers break down how the world’s fastest supercomputer works

Science

Titan Speeds Inquiry into Engine Alloys That Can Take the Heat

Simulations reveal a crucial underlying mechanism during design of an innovative high‑temperature aluminum alloy family

Summit Speeds Calculations in the Search for Exotic Particles

The accelerated architecture of America’s fastest supercomputer boosts QCD simulations