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DTSTART:19700308T020000
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DTSTAMP:20181221T160725Z
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:Workshop\nExascale, MPI, Networks, System Software, Workshop R
 eg Pass\n\nUnderstanding the Usage of MPI in Exascale Proxy Applications\n
 \nSultana\n\nThe Exascale Computing Project (ECP) focuses on the developme
 nt of future exascale-capable applications. Most ECP applications use the 
 Message Passing Interface (MPI) as their parallel programming model and cr
 eate mini-apps to serve as proxies. This paper explores the explicit usage
  of MPI in ECP proxy applications. For our study, we empirically analyze f
 ourteen proxy applications from the ECP Proxy Apps Suite. Our result shows
  that a small subset of features from MPI is commonly used in the proxies 
 of exascale capable applications, even when they reference third-party lib
 raries. Our study contributes to a better understanding of the use of MPI 
 in current exascale applications. This finding can help focus software inv
 estments made for exascale systems in the MPI middleware including optimiz
 ation, fault-tolerance, tuning, and hardware-offload.
URL:https://sc18.supercomputing.org/presentation/?id=ws_exampi103&sess=ses
 s174
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