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Technology

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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Tiny Titan on Stage at DOE National Science Bowl
3 years ago

Tiny Titan on Stage at DOE National Science Bowl

By  •  3 years ago  •  Technology

Tiny Titan was featured prominently this spring at the US Department of Energy National Science Bowl at the National 4-H Conference Center in Chevy Chase, Maryland.
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New DDNTool Streamlines OLCF File System Monitoring
3 years ago

New DDNTool Streamlines OLCF File System Monitoring

By  •  3 years ago  •  Technology

Upgrades allow staff to monitor hardware failures and performance data in real-time

Staff members at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) are constantly trying to …
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Banishing Bad Cache Behavior
3 years ago

Banishing Bad Cache Behavior

By  •  3 years ago  •  Technology

For OLCF users, managing cache behavior has gotten a little easier thanks to the newly developed tool GLprof.
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OLCF Upgrades System to CUDA 6.5
3 years ago

OLCF Upgrades System to CUDA 6.5

By  •  3 years ago  •  Technology

The OLCF’s recent CUDA upgrade fosters unified memory function that improves memory management between the CPUs and GPUs and also provides the benefit of globally shared data. The upgrade is a true win–win for the OLCF and its users.
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Science DMZ Set to Expedite Data In and Out of ORNL
3 years ago

Science DMZ Set to Expedite Data In and Out of ORNL

By  •  3 years ago  •  Technology

Researchers at the OLCF are working to speed up the process of data transfer using a new tool.
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Tiny Titan Is Now Accepting Visitors
3 years ago

Tiny Titan Is Now Accepting Visitors

By  •  3 years ago  •  Technology

Tiny Titan, the portable parallel computer designed for students and the general public by staff at the OLCF, is the subject of a new exhibit at the American Museum of Science and Energy (AMSE) in Oak Ridge, Tennessee.
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OLCF Shares Lustre Knowledge at International Workshop
3 years ago

OLCF Shares Lustre Knowledge at International Workshop

By  •  3 years ago  •  Technology

The OLCF played a significant role in an ORNL event to share knowledge and discuss the future development of the parallel file system, Lustre.
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Storage System Infrastructure Upgrades Improve Performance, Data Security
3 years ago

Storage System Infrastructure Upgrades Improve Performance, Data Security

By  •  3 years ago  •  Technology

OLCF staff have invested heavily in making sure users can access data quickly while also taking steps to keep data safe.
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New RAIT System Keeps Large Data Sets Safe
3 years ago

New RAIT System Keeps Large Data Sets Safe

By  •  3 years ago  •  Technology

The OLCF’s RAIT system allows incoming data to be striped across four tapes, but it also has an extra tape—called a parity tape—that can allow the data to be reconstructed in the event that a tape is damaged or lost.
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OLCF Staff Study Possible Temperature Changes to Chilled Water Systems
4 years ago

OLCF Staff Study Possible Temperature Changes to Chilled Water Systems

By  •  4 years ago  •  Technology

In the spirit of saving energy, the OLCF brought in an engineering team to evaluate how existing supercomputers could be cooled more efficiently.
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