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Technology

OLCF-Developed Tool Offers a Window into Center Operations
2 years ago

OLCF-Developed Tool Offers a Window into Center Operations

By  •  2 years ago  •  Technology

Optimizing compute jobs based on these separate and combined streams of information, however, can be challenging. Fortunately for staff and users at the OLCF, a new tool called the Grand Unified Information Directory for the OLCF (GUIDO) has been developed to enhance existing capabilities.
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OLCF Training Video Channel Now Open
3 years ago

OLCF Training Video Channel Now Open

By  •  3 years ago  •  Technology

User support specialists recent made a new training video channel for current and prospective users to access training materials at any time.
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On the Road to Summit: More Power
3 years ago

On the Road to Summit: More Power

By  •  3 years ago  •  Technology

Facility enhancements to accommodate Summit, the OLCF’s next leadership-class supercomputer, continue to proceed on schedule.
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OLCF Team Works to Facilitate Data Transfer
3 years ago

OLCF Team Works to Facilitate Data Transfer

By  •  3 years ago  •  Technology

Recently, a cross-departmental team engaged in an ongoing process to make data transfer easier for OLCF users.
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OLCF Delivers New Optimized Job Launching Tool
3 years ago

OLCF Delivers New Optimized Job Launching Tool

By  •  3 years ago  •  Technology

The OLCF developed Wraprun, an optimized job launching tool, to assist users of Titan that wish to run ensemble jobs.
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Finding New Ways to Optimize Old Codes
3 years ago

Finding New Ways to Optimize Old Codes

By  •  3 years ago  •  Technology

A team led by OLCF’s Christos Kartsaklis has built a tool to help users to extract enough parallelism from their existing programs to take advantage of additional computational power.
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2015 Hackathons Round Out in Knoxville
3 years ago

2015 Hackathons Round Out in Knoxville

By  •  3 years ago  •  Technology

The Oak Ridge Leadership Computing Facility hosted its GPU hackathon October 19–23 at the Marriott hotel in downtown Knoxville.
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Warmer Water to Cool Future OLCF Supercomputers
3 years ago

Warmer Water to Cool Future OLCF Supercomputers

By  •  3 years ago  •  Technology

A move from cold- to warm-water cooling is projected to lower the OLCF’s cooling costs by more than half, saving nearly a million dollars per year in total operating costs.
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ORNL Researchers Hail Promise of Data-Driven Materials Discovery and Design
3 years ago

ORNL Researchers Hail Promise of Data-Driven Materials Discovery and Design

By  •  3 years ago  •  Technology

An article, published in the October 2015 issue of Nature Materials, provides an overview of recent advances in experimental imaging, data analytics, and high-performance computing that are enabling new opportunities for discovery and design of advanced materials.
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Moab Scheduling Tweak Tightens Titan’s Workload
3 years ago

Moab Scheduling Tweak Tightens Titan’s Workload

By  •  3 years ago  •  Technology

To reduce fragmentation of large scientific workloads on America’s fastest supercomputer, staff at the OLCF is fine-tuning how jobs are scheduled on Titan.
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Retrofitting Rhea
3 years ago

Retrofitting Rhea

By  •  3 years ago  •  Technology

Prompted by the annual user survey, OLCF’s Rhea received an upgrade this fall. In two phases, OLCF staff doubled Rhea’s amount of RAM per node and added GPU nodes.
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On the Road to Summit
3 years ago

On the Road to Summit

By  •  3 years ago  •  Technology

Following the Summit announcement, OLCF staff have been making infrastructure changes to accommodate Summit. The OLCF has already hit several major milestones on the way to building Summit.
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