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DTSTART;TZID=America/Denver:20231113T083000
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UID:submissions.supercomputing.org_SC23_sess243_tut134@linklings.com
SUMMARY:Parallel I/O In Practice
DESCRIPTION:Rob Latham and Robert Ross (Argonne National Laboratory (ANL))
 , Brent Welch (Google LLC), and Glenn Lockwood (Microsoft Corporation)\n\n
 I/O on HPC systems is a black art. This tutorial sheds light on the state-
 of-the-art in parallel I/O and provides the knowledge necessary for attend
 ees to best leverage I/O resources available to them. We cover the entire 
 I/O software stack including storage and parallel file systems at the lowe
 st layer, the role of NVRAM devices, intermediate layers (such as MPI-IO),
  and high-level I/O libraries (such as HDF-5). We emphasize ways to use th
 ese interfaces that result in high performance and tools for generating in
 sight into these stacks.\n\nOur first third of the tutorial covers paralle
 l I/O fundamentals.  We discuss storage technologies, both present and nea
 r-future and the major parallel and distributed file systems.  We focus on
  application in our second third, connecting storage to our examination of
  the upper library layers of the I/O stack, covering MPI-IO, Parallel netC
 DF, and HDF5. Finally, we discuss tools for understanding I/O behavior.\n\
 nTag: Architecture and Networks, I/O and File Systems\n\nRegistration Cate
 gory: Tutorial Reg Pass\n\n
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