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DTSTART:19700308T020000
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DTSTAMP:20230124T171520Z
LOCATION:C147-154
DTSTART;TZID=America/Chicago:20221114T143800
DTEND;TZID=America/Chicago:20221114T150000
UID:submissions.supercomputing.org_SC22_sess452_ws_pawatm111@linklings.com
SUMMARY:Design and Performance Evaluation of UCX for Tofu-D Interconnect w
 ith OpenSHMEM-UCX on Fugaku
DESCRIPTION:Workshop\n\nDesign and Performance Evaluation of UCX for Tofu-
 D Interconnect with OpenSHMEM-UCX on Fugaku\n\nWatanabe, Sato, Tsuji, Mura
 i, Boku\n\nThe partitioned global address space (PGAS) model with one-side
 d communication has recently received attention as an easy and intuitive m
 ethod for describing remote data access in nodes. PGAS can be implemented 
 using remote direct memory access, which provides lightweight one-sided co
 mmunication and low overhead synchronization semantics. In this paper, to 
 enable portable, lightweight, and efficient one-sided communication on the
  Fugaku supercomputer, we designed and implemented Universal Communication
  X (UCX) for Tofu Interconnect D. An evaluation using OpenSHMEM-UCX and OS
 HMPI indicates that OpenSHMEM with UCX on Tofu Interconnect D enables smal
 ler latency and better efficiency compared with that for OpenSHMEM with MP
 I and that it is beneficial for several applications based on PGAS models.
 \n\nSession Format: Recorded\n\nTag: Applications, Architectures, Heteroge
 neous Systems, Hierarchical Parallelism, Parallel Programming Languages an
 d Models, Performance, Performance Portability, Scientific Computing\n\nRe
 gistration Category: Workshop Reg Pass
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