Technology

A move from cold- to warm-water cooling is projected to lower the OLCF’s cooling costs by more than half, saving nearly a million dollars per year in total operating costs.
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An article, published in the October 2015 issue of Nature Materials, provides an overview of recent advances in experimental imaging, data analytics, and high-performance computing that are enabling new opportunities for discovery and design of advanced materials.
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To reduce fragmentation of large scientific workloads on America’s fastest supercomputer, staff at the OLCF is fine-tuning how jobs are scheduled on Titan.
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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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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 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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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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For OLCF users, managing cache behavior has gotten a little easier thanks to the newly developed tool GLprof.
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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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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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