BEGIN:VCALENDAR
VERSION:2.0
PRODID:Linklings LLC
BEGIN:VTIMEZONE
TZID:America/Denver
X-LIC-LOCATION:America/Denver
BEGIN:DAYLIGHT
TZOFFSETFROM:-0700
TZOFFSETTO:-0600
TZNAME:MDT
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0600
TZOFFSETTO:-0700
TZNAME:MST
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20240116T191656Z
LOCATION:704-706
DTSTART;TZID=America/Denver:20231112T120600
DTEND;TZID=America/Denver:20231112T123000
UID:submissions.supercomputing.org_SC23_sess424_ws_ross107@linklings.com
SUMMARY:Analysis and Characterization of Performance Variability for OpenM
 P Runtime
DESCRIPTION:Workshop\n\nMinyu Cui, Nikela Papadopoulou, and Miquel Pericās
  (Chalmers University of Technology, Sweden)\n\nIn the high performance co
 mputing (HPC) domain, performance variability is a major scalability issue
  for parallel computing applications with heavy synchronization and commun
 ication.  We present an experimental performance analysis of OpenMP benchm
 arks regarding the variation of execution time, and determine the potentia
 l factors causing performance variability.\n\nOur work offers some underst
 anding of performance distributions and directions for future work on how 
 to mitigate variability for OpenMP-based applications. Two representative 
 OpenMP benchmarks from the EPCC OpenMP micro-benchmark suite and BabelStre
 am are run across two x86 multicore platforms featuring up to 256 threads.
  From the obtained results, we characterize and explain the execution time
  variability as a function of thread-pinning, simultaneous multithreading 
 (SMT) and core frequency variation.\n\nTag: Middleware and System Software
 , Programming Frameworks and System Software, Runtime Systems\n\nRegistrat
 ion Category: Workshop Reg Pass\n\nSession Chairs: Balazs Gerofi (Intel Co
 rporation, RIKEN); Torsten Hoefler (ETH Zürich, Microsoft Corporation); an
 d Kamil Iskra (Argonne National Laboratory (ANL))
END:VEVENT
END:VCALENDAR