SCHEDULE: NOV 15-20, 2015

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Exploring Asynchronous Many-Task Runtime Systems Toward Extreme Scales

SESSION: Regular & ACM Student Research Competition Poster Reception

EVENT TYPE: Posters, Receptions, ACM Student Research Competition

EVENT TAG(S): HPC Beginner Friendly, Regular Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR(S): Michela Becchi, Manish Parashar, Dorian C. Arnold

AUTHOR(S):Samuel Knight, Marc Gamell, Gavin Baker, David Hollman, Gregory Sjaadema, Hemanth Kolla, Keita Teranishi, Jeremiah Wilke, Nicole Slattengren, Janine C. Bennett

ROOM:Level 4 - Lobby

ABSTRACT:

Major exascale computing reports indicate a number of software challenges to meet the drastic change of system architectures in near future. While several-orders-of-magnitude increase in parallelism is the most commonly cited of those, hurdles also include performance heterogeneity of compute nodes across the system, increased imbalance between computational capacity and I/O capabilities, frequent system interrupts, and complex hardware architectures. Asynchronous, task-parallel programming models show great promise in addressing these issues, but are not yet fully understood nor developed sufficiently for computational science and engineering application codes.
We address this knowledge gaps through quantitative and qualitative exploration of leading candidate solutions in the context of engineering applications at Sandia. In this poster, we evaluate MiniAero code ported to three leading candidate programming models (Charm++, Legion and Uintah) to examine both the feasibility and tradeoffs of a technical solution that permits insertion of new programming model elements into an existing code base.

Chair/Author Details:

Michela Becchi, Manish Parashar, Dorian C. Arnold (Chair) - University of Missouri|Rutgers University|University of New Mexico|

Samuel Knight - Florida Institue of Technology

Marc Gamell - Rutgers University

Gavin Baker - California Polytechnic State Univeristy

David Hollman - Sandia National Laboratories

Gregory Sjaadema - Sandia National Laboratories

Hemanth Kolla - Sandia National Laboratories

Keita Teranishi - Sandia National Laboratories

Jeremiah Wilke - Sandia National Laboratories

Nicole Slattengren - Sandia National Laboratories

Janine C. Bennett - Sandia National Laboratories

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