Skip to main content

Behind the Scenes

Reuben Budiardja
People
June 11, 2021

Pioneering Frontier: Forging a New Compiler

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s incoming exascale supercomputer, Frontier. The HPE Cray system is scheduled for delivery in 2021, with full user operations in 2022. Reuben Budiardja’s thoughts are often among the stars. As a…
ORNL OCR
People
March 31, 2021

ORNL’s Supercomputer Utility Squad

With more than 1,000 researchers around the world using the Oak Ridge Leadership Computing Facility’s (OLCF’s) IBM AC922 Summit this year to pursue some of the biggest mysteries in science, the nation’s most powerful supercomputer gets little downtime. At any given hour, it’s typically running complex codes to investigate everything…
People
February 18, 2021

Pioneering Frontier: Planning Ahead

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s incoming exascale supercomputer, Frontier. The HPE Cray system is scheduled for delivery in 2021, with full user operations in 2022. Whenever David Grant wakes up in the middle of the…
Technology
December 14, 2020

Building an Exascale-Class Data Center

When the US Department of Energy’s (DOE’s) new exascale supercomputer, Frontier, completes installation at Oak Ridge National Laboratory (ORNL) in 2021, it will later debut as a landmark in high-performance computing with groundbreaking performance of greater than 1.5 exaflops (one quintillion floating-point operations per second). But right now—long before Frontier’s…
Technology
October 28, 2020

The Greenest Option: Finding New Homes for Old Machines

As head of the High-Performance Computing (HPC) Infrastructure Operations Group in the National Center for Computational Science (NCCS) at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL), Paul Abston does not like to see government investments in technology go to waste. Even more so, he is highly…
OLCF HistoryTechnology
August 10, 2020

Take a Virtual Tour of ORNL’s Supercomputer Center

The National Center for Computational Sciences (NCCS) and Oak Ridge Leadership Computing Facility (OLCF) house some of the world’s fastest high-performance computing resources. Located at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL), these innovative machines are in high-security facilities, not often open to the general public.…