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Technology

OLCF Hosts First OpenACC Hackathon
3 years ago

OLCF Hosts First OpenACC Hackathon

By  •  3 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
3 years ago

A Helping Hand

By  •  3 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
3 years ago

New Tool to Help Verify Integrity of Archival Data Holdings

By  •  3 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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Seeing Is Believing
4 years ago

Seeing Is Believing

By  •  4 years ago  •  Technology

When the Oak Ridge Leadership Computing Facility upgraded its Jaguar supercomputer to the Cray XK7 CPU/GPU hybrid system known as Titan, the center knew that upgrades to its data analysis and visualization resources were necessary to complement Titan’s more than 20 petaflops of computing power.
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Titan Delivered in 2013

By  •  4 years ago  •  Technology

By adding a graphics processing unit (GPU) accelerator to the 16-core central processing unit (CPU) on each node, the OLCF substantially increased Titan’s computing capability, enabling INCITE researchers to reach unprecedented science achievements.

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Collaboration Results in Better Parallel File System Tools

By  •  4 years ago  •  Technology

DCP has helped OLCF staff move 350 terabytes of data so far on behalf of some users, while other users have independently used dcp to copy much more.
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