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
Accelerating COVID-19 drug discovery through leadership-scale graph neural net machine learning PI: Thomas Miller, Entos, Inc.		0	0	0	0
Cleveland Clinic COVID-19 Computational Science Projects Requiring Additional Compute Needs PI: Feixiong Cheng, Cleveland Clinic		161	42,353	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)		5,325	244,392	0	0
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)		532	3,879	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		520	25,233	2	2
Dissecting inhibitor impacts on viral RNA polymerase and fidelity control of RNA synthesis in SARS-CoV-2 PI: Jin Yu, University of California - Irvine		444	2,575	0	0
Drug Discovery for COVID-19 PI: Jeremy Smith, University of Tennessee		9,262	587,615	0	0
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		4,894	14,900	0	0
Multiscale modeling of SARS-CoV-2 virion and structural proteins PI: Gregory Voth, University of Chicago		232	6,638	7	14
Pandemic Modeling for COVID-19 PI: Byung Park, Oak Ridge National Laboratory (ORNL)		53	224	0	0
Physical Models of COVID-19 Related Proteins PI: Ken Dill, State University of New York at Stony Brook		577	33,031	24	192
Prediction of synergistic drug combinations for treatment of COVID-19 PI: Jennifer Diaz, Icahn School of Medicine at Mount Sinai		369	1,987	0	0
Rapid Drug Discovery for COVID19 - Application to Human Targets PI: Rangaprasad Sarangarajan, BERG LLC		90	5,496	0	0
Simulating the Transmission and Dispersion of Aerosol in Turbulent Flows PI: Ramesh Balakrishnan, Argonne National Laboratory		0	0	0	0
Simulation of Full-scale, Membrane-Bound SARS-CoV2 Spike Proteins in Crowded Viral Envelope PI: Karan Kapoor, University of Illinois at Urbana-Champaign		2	0	0	0
Structural Modeling of COVID-19 with HP PI: Debsindhu Bhowmik, Oak Ridge National Laboratory (ORNL)		3,663	105,933	18	36
Targeting the SARS-CoV-2 Proteome with Artificial Intelligence (AI) Driven Small Molecule Design and Screening PI: Rick Stevens, Argonne National Laboratory		3,463	250,379	3	130
Using MD and QM/MM to improve drug candidates for nCoV-19 targets PI: Gerardo Cisneros, University of North Texas		323	9,306	0	0
		30,112	1,338,961	54	374

OLCF Now

Announcements & Events

Center Updates

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Upcoming Events

07Oct

Introduction to Deep Learning for Scientific Applications

Wednesday

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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 Sep 15, 2020

Next 10 days scheduled downtimes

Sep 28

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

Rhea

Operational

Up since Sep 15, 2020

Next 10 days scheduled downtimes

Sep 28

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

HPSS

Operational

Up since Sep 15, 2020

Next 10 days scheduled downtimes

Sep 28

Sep 29

Sep 30

Oct 01

Oct 02

Oct 03

Oct 04

Oct 05

Oct 06

Oct 07

OLCF News

Discover More

Summit on Summit, Sierra, and Perlmutter (SoSSP)

‘Summit on Summit, Sierra, and Perlmutter’ Hits 2nd Anniversary of Team-Effort Problem-Solving

When it comes to solving complex technical issues for GPU-accelerated supercomputers, the national labs have found that tackling them is “better together”

People

NCCS’ James Simmons Recognized as Top Lustre Contributor of the Decade

Simmons’ contributions to the Lustre software stack over the past 10 years have impacted systems at OLCF and beyond

NASA Team Releases Mars Landing Simulation Data to Encourage New Research into Spacecraft Descent Technologies

Simulations performed on Summit, the nation’s fastest supercomputer, are now publicly available to the scientific community

Runs on Summit Provided Data for Cray’s New Networking Benchmark

Benchmark released by Hewlett Packard Enterprise was tested on multiple DOE systems, including the OLCF’s Summit, and is a better measure of network congestion