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Technology

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

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

By  •  1 month ago  •  Technology

With every new generation of supercomputer that arrives at the nation’s leadership computing facilities also comes an inevitable learning curve as computational scientists get acclimated to unfamiliar systems. Software bugs …
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NASA Team Releases Mars Landing Simulation Data to Encourage New Research into Spacecraft Descent Technologies
1 month ago

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

By  •  1 month ago  •  Technology

Scientists at NASA aim to one day land giant payloads on Mars, but safely descending passengers, flight crew, and other equipment in an atmosphere much thinner than Earth’s poses a …
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Runs on Summit Provided Data for Cray’s New Networking Benchmark
1 month ago

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

By  •  1 month ago  •  Technology

Companies that design the networks that allow compute systems to share information often rely on certain benchmarks to test how well their networks perform.

But the traditional benchmarks that measure …
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Oak Ridge Leadership Computing Facility Fosters GCC Compiler Development with Mentor Contract
2 months ago

Oak Ridge Leadership Computing Facility Fosters GCC Compiler Development with Mentor Contract

By  •  2 months ago  •  Technology

The computational scientists who run codes on the massively powerful supercomputers at the Oak Ridge Leadership Computing Facility (OLCF) are working on solving some of the world’s most challenging problems. …
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Realizing the Dream of Rotating Detonation Engines through an OLCF, NETL, GE, and University of Michigan Collaboration
2 months ago

Realizing the Dream of Rotating Detonation Engines through an OLCF, NETL, GE, and University of Michigan Collaboration

By  •  2 months ago  •  Industry, Technology

Revisiting an engine concept first proposed in the 1950s, researchers at the University of Michigan (UM) are conducting trailblazing research that may finally unlock its potential for ultra-high-efficiency propulsion and …
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Take a Virtual Tour of ORNL’s Supercomputer Center
3 months ago

Take a Virtual Tour of ORNL’s Supercomputer Center

By  •  3 months ago  •  OLCF History, Technology

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 …
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Summit Ranks on Graph500 List Using Only a Fraction of Its Computing Power
6 months ago

Summit Ranks on Graph500 List Using Only a Fraction of Its Computing Power

By  •  6 months ago  •  Technology

For the first time ever and using only a fraction of its processing power, an Oak Ridge National Laboratory (ORNL) supercomputer has entered the Graph500 ranking, a list published twice …
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OLCF Offers New Workload Capabilities with Slate Service
7 months ago

OLCF Offers New Workload Capabilities with Slate Service

By  •  7 months ago  •  Technology

The large scientific simulations users at the Oak Ridge Leadership Computing Facility (OLCF) run on the center’s IBM AC922 Summit supercomputer almost always require other attendant tasks to fully realize …
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New Job Step Viewer Tool Captures Job Launching on Summit
7 months ago

New Job Step Viewer Tool Captures Job Launching on Summit

By  •  7 months ago  •  Technology

Before computational users launch large scientific jobs on the Oak Ridge Leadership Computing Facility’s (OLCF’s) IBM AC922 Summit supercomputer, they need to understand how they will use the full power …
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Simulating the Stars at Exascale Requires HIP Solutions
8 months ago

Simulating the Stars at Exascale Requires HIP Solutions

By  •  8 months ago  •  Technology

As GPU architectures have become the standard for scientific computing, application teams have had to retrofit their scientific codes to run on new systems. Even teams with codes that have …
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Making room for Frontier
9 months ago

Making room for Frontier

By  •  9 months ago  •  Technology

One of the challenges of cutting-edge equipment at a cutting-edge laboratory is that when a problem arises, the answers are never straightforward.

As the 2021 delivery date for Frontier — …
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Eight Teams Successfully Running on First NVIDIA and Arm Test Bed, Wombat at the OLCF
9 months ago

Eight Teams Successfully Running on First NVIDIA and Arm Test Bed, Wombat at the OLCF

By  •  9 months ago  •  Technology

Alongside the regular high-performance computing (HPC) resources at supercomputing centers are test beds, small computing clusters that offer HPC experts a chance to explore new architectures before they are considered …
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OLCF Staff Involved in Khronos Effort to Create New Visualization Standard
9 months ago

OLCF Staff Involved in Khronos Effort to Create New Visualization Standard

By  •  9 months ago  •  Technology

To those outside the high-performance computing community, supercomputers are a mysterious breed. Rows of refrigerator-sized cabinets span the length of an entire room, connected in an ensemble of fiber-optic cables …
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New Year Brings New Directory Structure for OLCF’s High-Performance Storage System
10 months ago

New Year Brings New Directory Structure for OLCF’s High-Performance Storage System

By  •  10 months ago  •  Technology

The High-Performance Storage System (HPSS) at the Oak Ridge Leadership Computing Facility (OLCF) will soon transition to a project-based directory structure. This may sound like a small change, but for …
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OLCF Supercharges Supercomputer Analytics with Apache Kafka
10 months ago

OLCF Supercharges Supercomputer Analytics with Apache Kafka

By  •  10 months ago  •  Technology

The high-performance computing (HPC) systems at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) are about to vault into the “pubsub” era of real-time streaming analytics.

Employing …
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OLCF and Tech Company Providentia Worldwide Build Intelligence System for Supercomputer Cooling Plant
1 year ago

OLCF and Tech Company Providentia Worldwide Build Intelligence System for Supercomputer Cooling Plant

By  •  1 year ago  •  People, Technology

The Oak Ridge Leadership Computing Facility (OLCF) and technology consulting company Providentia Worldwide LLC recently collaborated to develop an intelligence system that combines real-time updates from the IBM AC922 Summit …
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