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DTSTART:19700308T020000
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DTSTAMP:20260522T150116Z
LOCATION:D166
DTSTART;TZID=America/Chicago:20181111T160000
DTEND;TZID=America/Chicago:20181111T163000
UID:submissions.supercomputing.org_SC18_sess174_ws_exampi106@linklings.com
SUMMARY:Anycast: Rootless Broadcasting with MPI
DESCRIPTION:Tonglin Li, Quincey Koziol, Houjun Tang, and Suren Byna (Lawre
 nce Berkeley National Laboratory)\n\nFlexible communication routines that 
 enable high-performance computing (HPC) applications to operate with less 
 synchronization are a great benefit to application algorithm creation and 
 developer productivity.  Further, communication operations that reduce syn
 chronization in HPC applications while continuing to scale well are critic
 al to application performance in the exascale era.  We present an algorith
 m that allows an application to scalably broadcast a message from any MPI 
 rank without specifying the origin of the message in advance, demonstratin
 g application development flexibility, highly scalable operation, and redu
 ced application synchronization.\n\nTag: Exascale, MPI, Networks, System S
 oftware\n\nRegistration Category: Workshop Reg Pass\n\nSession Chairs: Pur
 ushotham Bangalore (University of Alabama); Ryan Grant (Queen's University
 , Canada; Power API); Daniel Holmes (Collis-Holmes Innovations); and Antho
 ny Skjellum (Tennessee Technological University, ASCEND-TNTECH)\n\n
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