Posts By OLCF Staff Writer

Team members of the OLCF hosted staff from ALCF, and NERSC for a meeting with high-performance computing vendors late last month to discuss strategies for application readiness and performance portability in preparation for the next generation of supercomputers.
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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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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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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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Several OLCF Staff Members were recognized at the November 7 Awards Night Event.
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Two Oak Ridge Leadership Computing Facility (OLCF) partners received HPC Innovation Excellence awards from the International Data Corporation (IDC) for their research using OLCF computing resources.
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Representatives from the US Department of Energy’s Oak Ridge National Laboratory, Oak Ridge Leadership Computing Facility, and HPC experts from around the world gathered in Gatlinburg, Tennessee, from September 2 to 6 to design and discuss scientific requirements and future approaches in preparation for the coming of the exascale era.
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Oak Ridge National Laboratory’s (ORNL’s) Bronson Messer shared his knowledge on this subject during the 2014 International Summer School on AstroComputing (ISSAC), held at the University of California’s High-Performance AstroComputing Center (UC-HiPACC) in San Diego, from July 21 to August 1.
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A team from the OLCF accompanied Tiny Titan to Washington D.C. on September for the inaugural National Lab Day on the Hill.
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A group of graduate students from the University of Tennessee has the unique opportunity to perform research on Oak Ridge National Laboratory’s Titan.
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This year’s March Meeting of the American Physical Society featured a focus session on computational materials research proposed and led by ORNL’s Jack Wells.
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Ramgen Power Systems is using the Titan supercomputer managed by the OLCF to optimize novel designs based on aerospace shock wave compression technology for gas compression systems, such as carbon dioxide compressors.
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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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Now, more than a decade later, researchers mapping radiation signatures from the Cassiopeia A supernova with NASA’s NuSTAR high-energy x-ray telescope array have published observational evidence that supports the SASI model.
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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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