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Technology

OLCF Emphasizes Importance, Furthers Development of OpenACC Standard
4 years ago

OLCF Emphasizes Importance, Furthers Development of OpenACC Standard

By  •  4 years ago  •  Technology

Jack Wells, OLCF director of science, was recently invited to be the keynote speaker of an OpenACC workshop at the University of Houston.
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Computer Scientists Increase Efficiency Through Lazy Checkpointing
4 years ago

Computer Scientists Increase Efficiency Through Lazy Checkpointing

By  •  4 years ago  •  Technology

At the Oak Ridge Leadership Computing Facility computer scientists Devesh Tiwari and Saurabh Gupta see laziness—a changed perception that reduces the frequency of application-level checkpoints—as increasingly important in recovering from computer failures on larger and faster machines.
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OLCF Staff Streamlines Application Development and Deployment
4 years ago

OLCF Staff Streamlines Application Development and Deployment

By  •  4 years ago  •  Technology

In October, 2014, a working group at the US Department of Energy’s Oak Ridge National Laboratory received a significant event award for streamlining the process of writing, testing, reviewing, and deploying code.
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OLCF Hosts First OpenACC Hackathon
4 years ago

OLCF Hosts First OpenACC Hackathon

By  •  4 years ago  •  Technology

From October 27 to 31, scientific computing teams from around the world gathered in Knoxville to participate in the OLCF’s inaugural Hackathon, an OpenACC event specifically aimed at scaling scientific applications to run on heterogeneous, high-performance computing systems such as Titan.
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A Helping Hand
4 years ago

A Helping Hand

By  •  4 years ago  •  Technology

For many researchers, Titan is only part of the picture; managing and understanding data are quickly becoming as important as the simulations that create it.
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New Tool to Help Verify Integrity of Archival Data Holdings
4 years ago

New Tool to Help Verify Integrity of Archival Data Holdings

By  •  4 years ago  •  Technology

A new data quality assurance tool developed by the Technology Integration Group at the OLCF will help protect that data by validating the integrity of the High Performance Storage System (HPSS) archive.
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Titan proves to be more energy-efficient than its predecessor
4 years ago

Titan proves to be more energy-efficient than its predecessor

By  •  4 years ago  •  Technology

When the Oak Ridge Leadership Computing Facility replaced its Jaguar supercomputer with Titan, not only did it expand its computing speed tenfold, it also saved on the electric bill.
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Titan Stability Helps Improve User Experience

By  •  4 years ago  •  Technology

Titan’s stability translates into an improved experience for Titan users. Fewer unscheduled outages and node failures reduce job interruptions, allowing jobs to run to completion with fewer restarts.
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Titan’s Tiny Counterpart Engages, Educates

By  •  4 years ago  •  Technology

Oak Ridge Leadership Computing Facility staff members Robert French, Adam Simpson, Suzanne Parete-Koon, and Anthony DiGirolamo developed Tiny Titan, which is substantially tinier than Titan in size and cost.
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Everybody’s Talking About Titan

By  •  4 years ago  •  Technology

The OLCF-organized series “Extreme Scale Supercomputing with the Titan Supercomputer,” chaired by Jack Wells, director of science, brought together Titan users in 24 conference sessions amounting to 540 minutes.
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World’s Most Powerful Accelerator Comes to Titan with a High-Tech Scheduler

By  •  4 years ago  •  Technology

The PanDA collaboration holds potential benefits for OLCF as well as for ATLAS.
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ORNL Researchers Collaborate to Study Application I/O Behavior

By  •  4 years ago  •  Technology

The Oak Ridge Leadership Computing’s Sudharshan Vazhkudai, working with colleagues at ORNL, North Carolina State University (NCSU) and Qatar Computing Research Institute (QCRI), has taken a step toward solving a key storage bottleneck.
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