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DTSTART:19700308T020000
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BEGIN:VEVENT
DTSTAMP:20230124T171521Z
LOCATION:C140-142
DTSTART;TZID=America/Chicago:20221114T141500
DTEND;TZID=America/Chicago:20221114T150000
UID:submissions.supercomputing.org_SC22_sess438_ws_canopie107@linklings.co
 m
SUMMARY:Libfabric-Based Injection Solutions for Portable Containerized MPI
  Applications
DESCRIPTION:Workshop\n\nLibfabric-Based Injection Solutions for Portable C
 ontainerized MPI Applications\n\nMadonna, Aliaga\n\nLinux containers bring
  several advantages for the deployment of High Performance Computing appli
 cations using the Message Passing Interface (MPI).  However, efficiently l
 everaging high-speed network resources when employing portable container i
 mages able to work on different systems remains a challenging goal.  Often
 , the adopted approach to combine image portability with performance is to
  replace at runtime the container's MPI libraries with a native implementa
 tion.  While effective, such practice is heavily constrained by the requir
 ement of binary compatibility between host and container libraries.  This 
 work presents two techniques based on libfabric which overcome the limitat
 ions of MPI replacement, while still granting containerized applications n
 ear-native communication performance and portability.  These techniques we
 re validated experimentally with synthetic benchmarks, demonstrating their
  effectiveness and, in the case of one technique, revealing a notable degr
 ee of flexibility at runtime.  Two scale-out experiments also showed the c
 apability to closely match native results using both synthetic and real-wo
 rld benchmarks.\n\nSession Format: Recorded\n\nRegistration Category: Work
 shop Reg Pass
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