SC13 Home > SC13 Schedule > SC13 Presentation - The Origin of Mass

SCHEDULE: NOV 16-22, 2013

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The Origin of Mass

SESSION: ACM Gordon Bell Finalist II

EVENT TYPE: ACM Gordon Bell Finalists

TIME: 10:30AM - 11:00AM

SESSION CHAIR: Taisuke Boku

AUTHOR(S):Peter Boyle, Michael I. Buchoff, Norman Christ, Taku Izubuchi, Chulwoo Jung, Thomas C. Luu, Robert Mawhinney, Chris Schroeder, Ron Soltz, Pavlos Vranas, Joseph Wasem, Zhongjie Lin, Hantao Yin

ROOM:201/203

ABSTRACT:
The origin of mass is one of the deepest mysteries in science. Neutrons and protons, which account for almost all visible mass in the Universe, emerged from a primordial plasma through a cataclysmic phase transition microseconds after the Big Bang. However, most mass in the Universe is invisible. The existence of dark matter, which interacts with our world so weakly that it is essentially undetectable, has been established from its galactic-scale gravitational effects. Here we describe results from the first truly physical calculations of the cosmic phase transition and a groundbreaking first-principles investigation into composite dark matter, studies impossible with previous state-of-the-art methods and resources. By inventing a powerful new algorithm, ``DSDR,'' and implementing it effectively for contemporary supercomputers, we attain excellent strong scaling, perfect weak scaling to the LLNL BlueGene/Q two million cores, sustained speed of 7.2 petaflops, and time-to-solution speedup of more than 200 over the previous state-of-the-art.

Chair/Author Details:

Taisuke Boku (Chair) - University of Tsukuba

Peter Boyle - University of Edinburgh

Michael I. Buchoff - Lawrence Livermore National Laboratory

Norman Christ - Columbia University

Taku Izubuchi - Brookhaven National Laboratory

Chulwoo Jung - Brookhaven National Laboratory

Thomas C. Luu - Lawrence Livermore National Laboratory

Robert Mawhinney - Columbia University

Chris Schroeder - Lawrence Livermore National Laboratory

Ron Soltz - Lawrence Livermore National Laboratory

Pavlos Vranas - Lawrence Livermore National Laboratory

Joseph Wasem - Lawrence Livermore National Laboratory

Zhongjie Lin - Columbia University

Hantao Yin - Columbia University

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The full paper can be found in the ACM Digital Library