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DTSTAMP:20260422T000712Z
LOCATION:710
DTSTART;TZID=America/Denver:20231112T103000
DTEND;TZID=America/Denver:20231112T105400
UID:submissions.supercomputing.org_SC23_sess419_ws_prot103@linklings.com
SUMMARY:An Event Model for Trace-Based Performance Analysis of MPI Partiti
 oned Point-to-Point Communication
DESCRIPTION:Isabel Thärigen and Marc-André Hermanns (RWTH Aachen Universit
 y) and Markus Geimer (Forschungszentrum Jülich)\n\nThe MPI 4.0 standard in
 troduced the concept of partitioned point-to-point communication.  One fac
 et that may help in encouraging application developers to use this new con
 cept in their programs is the availability of proper tool support in a tim
 ely manner.  We therefore propose nine new events extending the OTF2 event
  model to accurately represent the runtime behavior of partitioned point-t
 o-point communication.  We then demonstrate the suitability of these exten
 sions with three different use cases in the context of performance analysi
 s.  In particular, we showcase a prototype implementation of an extended w
 aitstate analysis in the Scalasca trace analyzer, and discuss further pote
 ntial use cases in the realm of trace visualization and simulation.\n\nTag
 : Performance Measurement, Modeling, and Tools, Programming Frameworks and
  System Software\n\nRegistration Category: Workshop Reg Pass\n\nSession Ch
 airs: David Boehme (Lawrence Livermore National Laboratory (LLNL)), Anthon
 y Danalis (AMD), and Josef Weidendorfer (Dresden University of Technology)
 \n\n
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