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, 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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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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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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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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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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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.
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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.

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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.
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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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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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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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