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  • In the first study of its kind, an international collaboration of scientists, including Kenneth Roche, HPC Group, developed a novel model to take a more intricate look at what happens during the final stages of the nuclear fission process. They determined that fission fragments remain connected far longer than expected before the daughter nuclei split apart, delivering a long-awaited description of real-time fission dynamics within a microscopic framework. In addition to its publication, the paper was highlighted as an Editors’ Suggestion by Physical Review Letters. Read More.



  • For the fourth time in a row, Sriram Krishnamoorthy, System Software and Applications Team Lead, will have his work, this time focused on avoiding cache conflict misses that lower computing system performance, featured as part of the Conference on Programming Language Design and Implementation, or PLDI.

    “This is simply another great example of Sriram’s impressive work,” said Darren Kerbyson, associate division director of PNNL’s High Performance Computing group. Read more.



About the Division


PNNL’s ACMD Division focuses on the Science of Computing and creating new computational capabilities to solve problems using extreme-scale simulation and data analytics.

The Advanced Computing, Mathematics & Data (ACMD) Division at Pacific Northwest National Laboratory provides science, technologies, and leadership to solve significant problems of national interest in energy, environment, national security, and fundamental science. Within the ACMD Division, our research is aimed at creating new, state-of-the-art computational capabilities using extreme-scale simulation and petascale data analytics that enable scientific breakthroughs.

We are developing intelligent hardware and software solutions that analyze, store, and share data in ways that enable innovative research, while reducing both cost and time. These research and development activities are giving rise to scientific breakthroughs in high-impact areas, including infrastructures, computing architectures, and advanced analytical techniques.

In addition, ACMD Division offers investigator-initiated and multi-institutional collaborative research, unique scientific instrumentation, and national program leadership to translate the latest discoveries into technologies for the scientific community.

To address a constantly shifting set of opportunities as new areas of inquiry become technically feasible for the first time, ACMDD is cultivating research capabilities in:


Director, Advanced Computing, Mathematics & Data Division


Chief Scientist, Advanced Computing & PNNL Laboratory Fellow

Advanced Computing, Mathematics, and Data

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