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DTSTAMP:20181221T160727Z
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:Workshop\nArchitectures, Collaborative Environments, Parallel 
 Programming Languages, Libraries, and Models, Simulation, Workflows, Works
 hop Reg Pass\n\nPerformance and Communication Modeling for Exascale Proxy 
 Architecture in Aspen\n\nUmar\n\nThe performance capability of current hig
 h-performance computing cores are already at their threshold, leading to a
 n unprecedented increase in number and complexity of exascale computationa
 l processors. Anticipating the performance and communication modeling requ
 ired for millions of exascale cores necessitates profiling and modeling of
  proxy exascale applications on current supercomputers to help us pin-poin
 t to the application's hardware requirements to perform corresponding what
 -if analysis. This has to be done while considering both applications and 
 hardware, leading to efficient co-design for exascale proxy architectures.
   \n\nIn this paper, we study and profile the computation and communicatio
 n of one of the exascale proxy applications -- Co-design for Molecular Dyn
 amics (CoMD). We model one of the proposed exascale homogeneous architectu
 re in the Aspen machine modeling language and develop the model into a ref
 ined proxy architecture. We model the CoMD's computational and communicati
 on requirements on Exascale proxy architecture in the Aspen application mo
 deling language to study the scalability analysis. We also present an anal
 ysis about communication profiling for CoMD in Aspen, which guides the eff
 icient communication mapping of the application on the proxy architecture.
URL:https://sc18.supercomputing.org/presentation/?id=ws_opensu101&sess=ses
 s175
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