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2019

In this visualization from David Pugmire at Oak Ridge National Laboratory, a team led by Jeroen Tromp at Princeton University is imaging the interior of the Earth with adjoint tomography.Science

A Data-Driven Journey to the Center of the Earth

In a farewell nod to Titan, scheduled to be decommissioned in August 2019, we present a short series of features highlighting some of Titan’s impactful contributions to scientific research. In Jules Verne’s Journey to the Center of the Earth, an impatient geology professor leads a subterranean expedition in search of…
Jonathan Hines
July 5, 2019
Cray User Group 2019People

ORNL Teams Participate in CUG2019

This year’s Cray User Group meeting, an annual event that gives Cray users from around the world the opportunity to attend conferences and workshops and present papers relating to high-performance computing, was held this year in Montreal, Canada, from May 7 to 9. Oak Ridge Leadership Computing Facility (OLCF) team…
Will Wells
June 28, 2019
People

Jack Wells to Help Strengthen OpenACC User Community

On June 16, OpenACC.org announced that Jack Wells of Oak Ridge National Laboratory (ORNL) will serve as its newly elected vice president. Wells is currently the director of science for ORNL’s National Center for Computational Sciences, home of the Department of Energy’s (DOE’s) Oak Ridge Leadership Computing Facility. Wells will…
Will Wells
June 28, 2019
Titan supercomputer OLCFTechnology

Farewell, Titan

The Cray XK7 Titan supercomputer operated by the Oak Ridge Leadership Computing Facility (OLCF) at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) will be decommissioned on August 1 and disassembled for recycling. Performing up to 27 quadrillion calculations per second, Titan ranked as one of the…
Katie Elyce Jones
June 28, 2019
People

Second “Introduce Your Daughter to AI” Event Is a Hit

The Women in Computing (WiC) networking group at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) hosted its second “Introduce Your Daughter to AI” workshop on June 7. With 31 ORNL employees attending with their daughters ages 12 to 17, this year’s event topped last year’s attendance…
Rachel McDowell
June 28, 2019
People

NCCS Researchers Receive Award at Parallel Computing Symposium

A team of researchers from the National Center for Computational Sciences (NCCS) at the US Department of Energy’s (DOE) Oak Ridge National Laboratory (ORNL) received the “Best Paper” award in the Advances in Parallel and Distributed Computational Models (APDCM) workshop of the 33rd IEEE International Parallel and Distributed Processing Symposium…
Will Wells
June 12, 2019
2019 OLCF User Meeting Group PhotoPeople

15th OLCF User Meeting Looks to Future, Reflects on Past

In May, Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy (DOE) Office of Science User Facility located at DOE’s Oak Ridge National Laboratory (ORNL), held its 15th annual user meeting—an event that focused on the past, present, and future of high-performance computing (HPC) at the OLCF. The meeting was held from May 21–23,…
Will Wells
June 12, 2019
People

ORNL Staff Plug into Tech Day

Last month, the US Department of Labor’s (DOL’s) Tech Day 2019 put federal agencies’ emerging technologies on display for the public, highlighting developments in 3D printing, cybersecurity, virtual reality, and more. Researchers from the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) were among the participants in the…
Rachel McDowell
June 12, 2019
Technology

TechInt Develops New Solutions for Storage on Summit

The computational users running scientific codes on the Oak Ridge Leadership Computing Facility’s (OLCF’s) 200-petaflop IBM AC922 Summit supercomputer are generating more data than ever. To handle this data explosion, each Summit compute node is equipped with a solid-state storage device (SSD) that provides a fourfold speedup in the write…
Rachel McDowell
June 12, 2019
Science

Summit Charts a Course to Uncover the Origins of Genetic Diseases

https://vimeo.com/336592112 A visualization of a new structure of the human PIC. The spheres correspond to the positions of patient-derived mutations color-coded by disease phenotype. Video credit: Ivaylo Ivanov, Georgia State University. Environmental conditions, lifestyle choices, chemical exposure, and foodborne and airborne pathogens are among the external factors that can cause…
Elizabeth Rosenthal
May 20, 2019
Science

Science at Exascale: Mapping Climate Patterns

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling and simulation, as well as high-performance data analytics and artificial intelligence. In the “Science at Exascale” Q&A series, researchers working…
Elizabeth Rosenthal
May 7, 2019
Science

Science at Exascale: Simulating Small Modular Reactor Operations

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling and simulation, as well as high-performance data analytics and artificial intelligence. In the “Science at Exascale” Q&A series, researchers working…
Elizabeth Rosenthal
May 7, 2019
Science

Science at Exascale: Molecular Dynamics for Materials

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling and simulation, as well as high-performance data analytics and artificial intelligence. In the “Science at Exascale” Q&A series, researchers working…
Rachel McDowell
May 7, 2019
Science

Science at Exascale: 3D Printing

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling and simulation, as well as high-performance data analytics and artificial intelligence. In the “Science at Exascale” Q&A series, researchers working…
Rachel McDowell
May 7, 2019
Science

Science at Exascale: The Future of Fusion Modeling

Frontier is an exascale computer planned for delivery at the Oak Ridge Leadership Computing Facility in 2021. The system will support a wide range of scientific applications for advanced modeling and simulation, as well as high-performance data analytics and artificial intelligence. In the “Science at Exascale” Q&A series, researchers working…
Rachel McDowell
May 7, 2019
Science

CAAR Accepting Application Team Proposals for Frontier System

As details about the Frontier supercomputer emerge, the US Department of Energy’s (DOE’s) Oak Ridge Leadership Computing Facility (OLCF) is seeking partnerships with select applications teams to develop scientific applications for highly effective use on the Frontier system. Through its Center for Accelerated Application Readiness (CAAR), the OLCF will partner…
Jonathan Hines
May 7, 2019
ORNL’s Summit supercomputer was used to simulate and visualize the matter distribution of a virtual universe, with the gold color representing the highest densities. Credit: Joe Insely, Silvio Rizzi and HACC cosmology code team/Argonne National LaboratoryScience

Virtual Universes

Using Summit, the world’s most powerful supercomputer housed at Oak Ridge National Laboratory, a team led by Argonne National Laboratory ran three of the largest cosmological simulations known to date. They modeled nearly two trillion particles in each simulation to trace matter distribution and generated a total of eight petabytes…
Katie Elyce Jones
May 1, 2019