I/O

A newly enhanced I/O subsystem will support the nation’s first exascale supercomputer and the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy high-performance computing user facility.

The …
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Researchers at US Department of Energy (DOE) national laboratories frequently transfer files between experimental and observational facilities, their home institutions, and computational facilities like the Oak Ridge Leadership Computing Facility …
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Researchers from commercial and industrial property insurer FM Global want to improve fire protection standards across the country.

The company, which insures one in three Fortune 1000 companies with a …
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OLCF staff delivered talks and tutorials to Lustre users covering the center’s on-going contributions to the effort to expand the parallel file system’s performance and flexibility.
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ORNL’s MDF recently reached out to the Oak Ridge Leadership Computing Facility’s (OLCF’s) Advanced Data and Workflow Group for assistance with 3-D visualization.
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More than 30 students completed summer internships at the OLCF in 2015.
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New and long-time Titan users attended the annual Oak Ridge Leadership Computing Facility (OLCF) User Meeting in June to learn about, share, and discuss the most recent science OLCF users are conducting on Titan.
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OLCF staff members Veronica Vergara Larrea, Chris Fuson, and Wayne Joubert won an award for best paper at the 2015 Cray User Group Conference last month in Chicago.
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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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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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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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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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Princeton’s Jeroen Tromp is part of a team using Oak Ridge National Laboratory’s (ORNL’s) Titan supercomputer, to reveal the Earth’s inner workings via adjoint tomography simulations, or monitoring the interaction of a forward wavefield, in which the waves travel from the source to the receivers, and an “adjoint” wavefield in which the waves travel inversely from the receivers to the source.
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The Ken Kennedy Institute for Information Technology at Rice University hosted its annual Oil and Gas HPC Workshop in Houston, Texas.
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