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.
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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 –
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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

26Jun

Introduction to HPC

Tuesday, JICS Auditorium, Building 5100

24Jul

Performance Portability with Kokkos (2018)

Tuesday, Building 8600, C156

31Jul

OpenACC Standards Committees Face-to-Face Meeting

Tuesday, SNS

22Oct

2018 GPU Hackathons

Monday,

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 Jun 19, 2018

Next 10 days scheduled downtimes

Jun 24

Jun 25

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Jun 27

Jun 28

Jun 29

Jun 30

Jul 01

Jul 02

Jul 03

Eos

Operational

Up since Mar 27, 2018

Next 10 days scheduled downtimes

Jun 24

Jun 25

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Jun 27

Jun 28

Jun 29

Jun 30

Jul 01

Jul 02

Jul 03

Rhea

Operational

Up since Apr 22, 2018

Next 10 days scheduled downtimes

Jun 24

Jun 25

Jun 26

Jun 27

Jun 28

Jun 29

Jun 30

Jul 01

Jul 02

Jul 03

HPSS

Operational

Up since May 29, 2018

Next 10 days scheduled downtimes

Jun 24

Jun 25

Jun 26

Jun 27

Jun 28

Jun 29

Jun 30

Jul 01

Jul 02

Jul 03

Atlas1

Operational

Up since Jun 18, 2018

Next 10 days scheduled downtimes

Jun 24

Jun 25

Jun 26

Jun 27

Jun 28

Jun 29

Jun 30

Jul 01

Jul 02

Jul 03

Atlas2

Operational

Up since Jun 20, 2018

Next 10 days scheduled downtimes

Jun 24

Jun 25

Jun 26

Jun 27

Jun 28

Jun 29

Jun 30

Jul 01

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Jul 03

OLCF News

Discover More

Summit by the Numbers

America’s most powerful supercomputer is a machine for scientific discovery.

particle physics, nuclear physics, supercomputing

Science

With Supercomputing Power and an Unconventional Strategy, Scientists Solve a Next-Generation Physics Problem

Researchers overcome a severe “signal-to-noise” problem and improve nucleon axial coupling calculations

Industry

Boosting Industry with OpenACC

Industrial users benefit from codes accelerated by directive-based programming standard

Matt Ezell works with the HPC systems team and other OLCF groups to identify bugs and technical issues with Summit’s software before the machine comes online.

People

Faces of Summit: Leading a Systems Expedition

HPC systems administrator Matt Ezell irons out crucial details during Summit project’s final stages