OLCF Team Resolves Performance Bottleneck in OpenACC Code

A team at the Oak Ridge Leadership Computing Facility recently addressed a performance bottleneck in one portion of an OLCF user’s application. Because of its efforts, the user’s team saw a sixfold performance improvement in the code.
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Data transfer can be tricky—especially when it involves moving large datasets at a rate of dozens of gigabits per second to and from one of the world’s most powerful supercomputers.

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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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Simply put, physicists study energy, matter, and how the two interact. Through the years researchers have cataloged countless phenomena relating to these complex interactions.

As science has advanced, researchers have …
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For the sixth year in a row, staff from the Oak Ridge Leadership Computing Facility (OLCF) networked with promising graduate fellows and introduced them to research opportunities during the US …
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For more than 30 years, high-performance computing (HPC) experts from around the world have gathered to share supercomputing ideas, insights, and innovations at the International Supercomputing Conference (ISC).

This year’s …
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Though they sprout from the same family tree, scientific computing and artificial intelligence (AI) make up their own distinct branches of computing. Recent advances in an offshoot of AI called …
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