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OLCF HistoryScienceTechnology

Charting the New Frontier

The Frontier supercomputer at the U.S. Department of Energy’s Oak Ridge National Laboratory logged a new benchmark this week that further illustrates its world-changing potential and held onto its top ranking as the world’s fastest on the 60th TOP500 list. Frontier set a new speed record for the mixed-precision calculations often used by artificial…
Matt Lakin
November 16, 2022
OLCF HistoryScienceTechnology

Pushing the new Frontier

The numbers are in, Frontier ranks No. 1, and the researchers of Oak Ridge National Laboratory's National Center for Computational Sciences are finally breathing a few sighs of relief. Teams worked around the clock for months to help prepare the new HPE Cray EX supercomputer and gauge its record-setting exascale…
Matt Lakin
June 8, 2022
Technology

Benchmarking Mixed-Precision Performance

Today at ISC High Performance 2021, a European virtual conference for high-performance computing (HPC), the Oak Ridge Leadership Computing Facility’s (OLCF’s) Summit was ranked as the world’s second-fastest supercomputer in the 57th TOP500 list. But it also took second place in a relatively new benchmark test apart from the main…
Coury Turczyn
June 28, 2021
Science

United States Continues To Lead World In Supercomputing

WASHINGTON, D.C. – Today, the world’s TOP500 Supercomputers were unveiled, and once again asserted U.S. supremacy in supercomputing. The Summit machine at DOE’s Oak Ridge National Laboratory again ranked first in the world, and Lawrence Livermore National Laboratory’s Sierra machine ranked second. In total, four of the ten fastest computers belong…
Katie Bethea
November 18, 2019
Science

Two DOE Supercomputers Top List of World’s Fastest

WASHINGTON, D.C. – Two U.S. Department of Energy (DOE) national laboratories are now home to the fastest supercomputers in the world, according to the new TOP500 List, a semiannual ranking of the world’s fastest computing systems. The IBM Summit system at Oak Ridge National Laboratory is currently ranked number one,…
Katie Bethea
November 13, 2018
People

Faces of Summit: Creating a Green Summit

Jim Rogers, computing and facilities director at the OLCF, has spent the last 30 years in the computing field. Over the course of his career, Rogers has taken part in a computing revolution, with systems increasing 1-million fold over the last three decades. The Faces of Summit series shares stories…
Rachel McDowell
August 29, 2018
Technology

ORNL’s Summit Supercomputer Named World’s Fastest

OAK RIDGE, Tenn.  – The US Department of Energy’s Oak Ridge National Laboratory is once again officially home to the fastest supercomputer in the world, according to the TOP500 List, a semiannual ranking of the world’s fastest computing systems. The recently launched Summit supercomputer was announced as No. 1 today…
Jonathan Hines
June 25, 2018
Technology

Titan Completes Acceptance Testing

Oak Ridge National Laboratory’s Titan supercomputer has completed rigorous acceptance testing to ensure the functionality, performance and stability of the machine, one of the world’s most powerful supercomputing systems for open science.
Leo Williams
June 12, 2013