OLCF Team Resolves Performance Bottleneck in OpenACC Code

Technology

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.

Elizabeth RosenthalSeptember 28, 2016

Technology

Data Transfer Service Upgrades to Improve Efficiency and Performance

OLCF Staff members recently upgraded the OLCF’s data transfer service. The team included (front row, left to right) Sergey Shpanskiy, Jason Anderson, and Dustin Leverman; (back row, left to right) Jason Kincl, Jason Hill, and Clay England; (not pictured) Daniel Pelfrey, Jesse Hanley, and Lawrence Sorrillo. Data transfer can be…

Rachel McDowellSeptember 28, 2016

Technology

OLCF-Fermilab Collaboration Gives ADIOS a Boost

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 (OLCF), a DOE Office of Science User Facility located at DOE’s Oak Ridge National Laboratory (ORNL). Moving large files between…

Rachel McDowellSeptember 28, 2016

Science

Physicists Quench Their Thirst for Modeling Superfluids

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 come upon the next frontier of physics research—understanding materials at the most fundamental level and how changes in temperature or…

Eric GedenkSeptember 28, 2016

People

CSGF Annual Program Review Brings Staff and Students Together

OLCF Staff members (left to right) Verónica Vergara Larrea, Adam Simpson, and Judy Hill presented at the poster session during the 2016 CSGF Annual Program Review. For the sixth year in a row, staff from the Oak Ridge Leadership Computing Facility (OLCF) networked with promising graduate fellows and introduced them…

Rachel McDowellSeptember 6, 2016

People

OLCF Staff Engage at International Supercomputing Conference

ISC has been bringing HPC experts together for 30 years, and OLCF staff always look for ways to take leadership roles at the conference. 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…

Eric GedenkSeptember 6, 2016

Technology

OLCF Dives into Deep Learning

The Deep Learning Users Group, organized by the OLCF’s Advanced Data and Workflow Group, gathered this summer to discuss topics related to deep learning, a fast-growing offshoot of machine learning with potential for automating knowledge discovery. Though they sprout from the same family tree, scientific computing and artificial intelligence (AI)…

Jonathan HinesSeptember 6, 2016

September 2016