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DTSTAMP:20211207T055401Z
LOCATION:Second Floor Atrium
DTSTART;TZID=America/Chicago:20211118T083000
DTEND;TZID=America/Chicago:20211118T170000
UID:submissions.supercomputing.org_SC21_sess280_rpost106@linklings.com
SUMMARY:Enabling Combustion Science Simulations for Future Exascale Machin
 es
DESCRIPTION:Posters, Research Posters\n\nEnabling Combustion Science Simul
 ations for Future Exascale Machines\n\nRood, Henry de Frahan, Day, Sitaram
 an, Yellapantula...\n\nReacting flow simulations for combustion applicatio
 ns require extensive computing capabilities. Leveraging the AMReX library,
  the Pele suite of combustion simulation tools targets the largest superco
 mputers available and future exascale machines. We introduce PeleC, the co
 mpressible solver in the Pele suite, and detail its capabilities, includin
 g complex geometry representation, chemistry integration and discretizatio
 n. We present a comparison of development efforts using both OpenACC and A
 MReX's C++ performance portability framework for execution on multiple GPU
  architectures. We discuss relevant details that have allowed PeleC to ach
 ieve high performance and scalability. PeleC's performance characteristics
  are measured through relevant simulations on multiple supercomputers. The
  success of PeleC's design for exascale is exhibited through demonstration
  of a 160 billion cell simulation and weak scaling onto 100% of Summit, an
  NVIDIA-based GPU supercomputer at Oak Ridge National Laboratory. Our resu
 lts provide confidence that PeleC will enable future combustion science si
 mulations with unprecedented fidelity.\n\nRegistration Category: Tech Prog
 ram Reg Pass, Exhibit Hall Only
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