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DTSTART:19700308T020000
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DTSTAMP:20260522T150115Z
LOCATION:D161
DTSTART;TZID=America/Chicago:20181116T105000
DTEND;TZID=America/Chicago:20181116T111000
UID:submissions.supercomputing.org_SC18_sess153_ws_espt105@linklings.com
SUMMARY:Gotcha: A Function-Wrapping Interface for HPC Tools
DESCRIPTION:David Poliakoff and Matthew LeGendre (Lawrence Livermore Natio
 nal Laboratory)\n\nThis paper introduces Gotcha, a function wrapping inter
 face and library for HPC tools.  Many HPC tools, and performance analysis 
 tools in particular, rely on function wrapping to integrate with applicati
 ons.  But existing mechanisms, such as LD_PRELOAD on Linux, have limitatio
 ns that lead to tool instability and complexity.  Gotcha addresses the lim
 itations in existing mechanisms, provides a programmable interface for HPC
  tools to manage function wrapping, and supports function wrapping across 
 multiple tools.  In addition, this paper introduces the idea of interface-
 independent function wrapping, which makes it possible for tools to wrap a
 rbitrary application functions.\n\nTag: Performance, Productivity\n\nRegis
 tration Category: Workshop Reg Pass\n\nSession Chairs: Martin Schulz (Tech
 nical University of Munich, Leibniz Supercomputing Centre (LRZ)) and Felix
  Wolf (Technical University of Darmstadt)\n\n
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