Image

Technology

Test Systems Pike and Crest Pave the Way for Next OLCF Supercomputer
4 years ago

Test Systems Pike and Crest Pave the Way for Next OLCF Supercomputer

By  •  4 years ago  •  Technology

In preparation for Summit, computer scientists and support staff are leaning on two modest-but-mighty test systems to explore Summit’s cutting-edge architecture.
Read More

New Test Harness Keeps OLCF Resources Running Smoothly
4 years ago

New Test Harness Keeps OLCF Resources Running Smoothly

By  •  4 years ago  •  Technology

Staff at ORNL saw a need for more efficient systems testing; through a collaboration of groups at the OLCF, they were able to build a state-of-the-art test harness.

Read More

New Test Bed Helps OLCF Scale Up for Next-Generation Supercomputer
4 years ago

New Test Bed Helps OLCF Scale Up for Next-Generation Supercomputer

By  •  4 years ago  •  Technology

To make sure Summit is ready for researchers from day one, the OLCF Scientific Computing, Technology Integration, and High-Performance Computing Operations groups are collaborating on a test bed for staff and vendors to help the OLCF prepare for Summit.
Read More

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.
Read More

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.
Read More

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.
Read More

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.
Read More

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.
Read More

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.
Read More

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.
Read More

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.
Read More

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.
Read More