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LOCATION:D166
DTSTART;TZID=America/Chicago:20181111T110000
DTEND;TZID=America/Chicago:20181111T113000
UID:submissions.supercomputing.org_SC18_sess174_ws_exampi103@linklings.com
SUMMARY:Understanding the Usage of MPI in Exascale Proxy Applications
DESCRIPTION:Nawrin Sultana (Auburn University)\n\nThe Exascale Computing P
 roject (ECP) focuses on the development of future exascale-capable applica
 tions. Most ECP applications use the Message Passing Interface (MPI) as th
 eir parallel programming model and create mini-apps to serve as proxies. T
 his paper explores the explicit usage of MPI in ECP proxy applications. Fo
 r our study, we empirically analyze fourteen proxy applications from the E
 CP Proxy Apps Suite. Our result shows that a small subset of features from
  MPI is commonly used in the proxies of exascale capable applications, eve
 n when they reference third-party libraries. Our study contributes to a be
 tter understanding of the use of MPI in current exascale applications. Thi
 s finding can help focus software investments made for exascale systems in
  the MPI middleware including optimization, fault-tolerance, tuning, and h
 ardware-offload.\n\nTag: Exascale, MPI, Networks, System Software\n\nRegis
 tration Category: Workshop Reg Pass\n\nSession Chairs: Purushotham Bangalo
 re (University of Alabama); Ryan Grant (Queen's University, Canada; Power 
 API); Daniel Holmes (Collis-Holmes Innovations); and Anthony Skjellum (Ten
 nessee Technological University, ASCEND-TNTECH)\n\n
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