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
- - OLCF User Docs
- - Training
- - Center Announcements
  - Acknowledgement Statement
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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
- - OLCF User Docs
- - Training
- - Center Announcements
  - Acknowledgement Statement
- 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

COVID-19 Project Utilization

Project		Number of Jobs Run To-Date	Node Hours Used To-Date	Number of Jobs Running Now	Nodes in Use Now
Cleveland Clinic COVID-19 Computational Science Projects Requiring Additional Compute Needs PI: Feixiong Cheng, Cleveland Clinic		12	67	0	0
Computational Systems Biology for Viral Detection and Classification of Emerging Infections and Rapid Identification of Causal Agents and Mechanisms PI: Daniel Jacobson, Oak Ridge National Laboratory (ORNL)		1,359	221,322	1	1
COVID research PI: Bobby Sumpter, Oak Ridge National Laboratory (ORNL)		43	3,270	0	0
COVID-19: Molecular Simulations and Underexplored Drug Targets PI: Jason Crain, International Business Machines Corporation (IBM)		27	78	0	0
COVID-19: Submodular Optimization & Graph Clustering Approaches for Designing Effective Vaccination Strategies PI: Mahantesh Halappanavar, Pacific Northwest National Laboratory		159	1,751	0	0
Determining the contribution of glycosylation to SARS-CoV-2 S-protein conformational dynamics PI: James Gumbart, Georgia Institute of Technology		98	1,231	0	0
Dissecting inhibitor impacts on viral RNA polymerase and fidelity control of RNA synthesis in SARS-CoV-2 PI: Jin Yu, University of California - Irvine		115	309	2	2
Drug Discovery for COVID-19 PI: Jeremy Smith, University of Tennessee		4,953	525,920	2	2
Forecasting COVID-19 Infections across the US PI: Jesse Piburn, Oak Ridge National Laboratory (ORNL)		0	0	0	0
Molecular Simulations of Complexes of SARS-CoV Spike Proteins with Human Receptor ACE2 PI: Sameer Varma, University of South Florida		1,176	4,154	0	0
Multiscale modeling of SARS-CoV-2 virion and structural proteins PI: Gregory Voth, University of Chicago		0	0	0	0
Physical Models of COVID-19 Related Proteins PI: Ken Dill, State University of New York at Stony Brook		79	613	0	0
Prediction of synergistic drug combinations for treatment of COVID-19 PI: Jennifer Diaz, Icahn School of Medicine at Mount Sinai		303	449	0	0
Rapid Drug Discovery for COVID19 - Application to Human Targets PI: Rangaprasad Sarangarajan, BERG LLC		0	0	0	0
Structural Modeling of COVID-19 with HP PI: Debsindhu Bhowmik, Oak Ridge National Laboratory (ORNL)		2,529	67,952	30	60
Targeting the SARS-CoV-2 Proteome with Artificial Intelligence (AI) Driven Small Molecule Design and Screening PI: Rick Stevens, Argonne National Laboratory		1,376	34,549	0	0
Using MD and QM/MM to improve drug candidates for nCoV-19 targets PI: Gerardo Cisneros, University of North Texas		125	2,151	0	0
		12,354	863,817	35	65

OLCF Now

Announcements & Events

Center Updates

More Updates

Upcoming Events

21Jul

CUDA Concurrency

Tuesday

28Jul

TAU Performance Analysis Training

Tuesday

18Aug

GPU Performance Analysis

Tuesday

17Sep

CUDA Cooperative Groups

Thursday

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

Summit

Operational

Up since May 19, 2020

Next 10 days scheduled downtimes

Jul 07

Jul 08

Jul 09

Jul 10

Jul 11

Jul 12

Jul 13

Jul 14

Jul 15

Jul 16

Rhea

Operational

Up since Jun 9, 2020

Next 10 days scheduled downtimes

Jul 07

Jul 08

Jul 09

Jul 10

Jul 11

Jul 12

Jul 13

Jul 14

Jul 15

Jul 16

HPSS

Operational

Up since May 26, 2020

Next 10 days scheduled downtimes

Jul 07

Jul 08

Jul 09

Jul 10

Jul 11

Jul 12

Jul 13

Jul 14

Jul 15

Jul 16

OLCF News

Discover More

Science

Summit Helps Predict Molecular Breakups

Team uses Summit to calculate the fundamental physics of molecular structures crucial of molecules in drug and material design

People

Cracking the Linux Code with the OLCF’s Ketan Maheshwari

HPC staffer’s tutorial offers 13 years’ worth of tips on the popular operating system

Events

Amidst Pandemic, OLCF Hosts First Remote User Meeting

Throughout the 2 days of web conferencing, OLCF staff and users reflected on Summit accomplishments and looked toward the future of Frontier

Developing a Quantum Community

The OLCF’s Quantum Computing User Program connects researchers to advanced resources, paves way for next-gen computational science