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DTSTART:19700308T020000
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DTSTAMP:20260522T150119Z
LOCATION:C140/142
DTSTART;TZID=America/Chicago:20181114T163000
DTEND;TZID=America/Chicago:20181114T170000
UID:submissions.supercomputing.org_SC18_sess210_pap346@linklings.com
SUMMARY:Performance Evaluation of a Vector Supercomputer SX-Aurora TSUBASA
DESCRIPTION:Kazuhiko Komatsu (Tohoku University); Shintaro Momose, Yoko Is
 obe, Osamu Watanabe, and Akihiro Musa (Tohoku University, NEC Corporation)
 ; Mitsuo Yokokawa (Kobe University); Toshikazu Aoyama (NEC Corporation); a
 nd Masayuki Sato and Hiroaki Kobayashi (Tohoku University)\n\nA new SX-Aur
 ora TSUBASA vector supercomputer has been released with a new system archi
 tecture and a new execution model to achieve high sustained performance, e
 specially for memory-intensive applications. In SX-Aurora TSUBASA, the vec
 tor host (VH) of a standard x86 Linux node is attached to the vector engin
 e (VE) of a newly developed vector processor.  An application is executed 
 on the VE, and only system calls are offloaded to the VH. This new executi
 on model can avoid redundant data transfers between a VH and a VE that can
  easily become a bottleneck in the conventional execution model. This pape
 r examines the potential of SX-Aurora TSUBASA. First, the basic performanc
 e of SX-Aurora TSUBASA is clarified by evaluating benchmark programs. Then
 , the effectiveness of the new execution model is examined by using a micr
 obenchmark.  Finally, the high potential of SX-Aurora TSUBASA is clarified
  through evaluations of practical applications.\n\nTag: Architectures, Net
 works, Performance, Scientific Computing, State of the Practice, Tools\n\n
 Registration Category: Tech Program Reg Pass\n\nSession Chair: Ashley Bark
 er (Oak Ridge National Laboratory (ORNL))\n\n
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