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LOCATION:D173
DTSTART;TZID=America/Chicago:20181112T092000
DTEND;TZID=America/Chicago:20181112T094000
UID:submissions.supercomputing.org_SC18_sess175_ws_opensu101@linklings.com
SUMMARY:Performance and Communication Modeling for Exascale Proxy Architec
 ture in Aspen
DESCRIPTION:Mariam Umar (Virginia Tech)\n\nThe performance capability of c
 urrent high-performance computing cores are already at their threshold, le
 ading to an unprecedented increase in number and complexity of exascale co
 mputational processors. Anticipating the performance and communication mod
 eling required for millions of exascale cores necessitates profiling and m
 odeling of proxy exascale applications on current supercomputers to help u
 s pin-point to the application's hardware requirements to perform correspo
 nding what-if analysis. This has to be done while considering both applica
 tions and hardware, leading to efficient co-design for exascale proxy arch
 itectures.  \n\nIn this paper, we study and profile the computation and co
 mmunication of one of the exascale proxy applications -- Co-design for Mol
 ecular Dynamics (CoMD). We model one of the proposed exascale homogeneous 
 architecture in the Aspen machine modeling language and develop the model 
 into a refined proxy architecture. We model the CoMD's computational and c
 ommunication requirements on Exascale proxy architecture in the Aspen appl
 ication modeling language to study the scalability analysis. We also prese
 nt an analysis about communication profiling for CoMD in Aspen, which guid
 es the efficient communication mapping of the application on the proxy arc
 hitecture.\n\nTag: Architectures, Collaborative Environments, Parallel Pro
 gramming Languages, Libraries, and Models, Simulation, Workflows\n\nRegist
 ration Category: Workshop Reg Pass\n\nSession Chairs: David Donofrio (Tact
 ical Computing Laboratories LLC, Lawrence Berkeley National Laboratory (LB
 NL)); Farzad Fatollahi-Fard (Lawrence Berkeley National Laboratory); and J
 ohn Leidel (Tactical Computing Laboratories LLC, Texas Tech University)\n\
 n
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