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Summit Ranks on Graph500 List Using only a Fraction of Its Computing Power
3 months ago

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

By  •  3 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
4 months ago

OLCF Offers New Workload Capabilities with Slate Service

By  •  4 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
4 months ago

New Job Step Viewer Tool Captures Job Launching on Summit

By  •  4 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
5 months ago

Simulating the Stars at Exascale Requires HIP Solutions

By  •  5 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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Eight Teams Successfully Running on First NVIDIA and Arm Test Bed, Wombat at the OLCF
7 months ago

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

By  •  7 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
7 months ago

OLCF Staff Involved in Khronos Effort to Create New Visualization Standard

By  •  7 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
7 months ago

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

By  •  7 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
8 months ago

OLCF Supercharges Supercomputer Analytics with Apache Kafka

By  •  8 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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Farewell, Titan
1 year ago

Farewell, Titan

By  •  1 year ago  •  Featured, Technology

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 …
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TechInt Develops New Solutions for Storage on Summit
1 year ago

TechInt Develops New Solutions for Storage on Summit

By  •  1 year ago  •  Technology

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, …
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On the Verge of Exascale, the World’s Fastest Petascale System Points the Way
1 year ago

On the Verge of Exascale, the World’s Fastest Petascale System Points the Way

By  •  1 year ago  •  Featured, Technology

On May 7, the US Department of Energy (DOE) announced the Frontier exascale supercomputer is slated for delivery in 2021 at DOE’s Oak Ridge National Laboratory (ORNL). While researchers who …
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ORNL Adds Powerful AI Appliances to Computing Portfolio
1 year ago

ORNL Adds Powerful AI Appliances to Computing Portfolio

By  •  1 year ago  •  Featured, Technology

As home to three top-ranked supercomputers of the last decade, the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) has become synonymous with scientific computing at the largest …
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Network Enhancement Strengthens Ties Between OLCF, ESnet
2 years ago

Network Enhancement Strengthens Ties Between OLCF, ESnet

By  •  2 years ago  •  Technology

If data is the lifeblood of a scientific computing center, a resilient network can be the difference between new discoveries and costly service disruptions.

In November 2018, staff at the …
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Ready for Science: Summit Completes System Acceptance
2 years ago

Ready for Science: Summit Completes System Acceptance

By  •  2 years ago  •  People, Technology

A year-long acceptance process for the 200-petaflop, IBM AC922 Summit supercomputer at the US Department of Energy’s Oak Ridge National Laboratory (ORNL) is complete. Acceptance testing ensures that the supercomputer …
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New Storage System Boosts Efficiency to Better Preserve OLCF User Data
2 years ago

New Storage System Boosts Efficiency to Better Preserve OLCF User Data

By  •  2 years ago  •  Technology

Tape recorders and videocassette tapes may be considered archaic in the entertainment industry, but magnetic tape storage remains one of the most durable, secure, and cost-effective ways to archive big …
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