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DTSTAMP:20211207T054806Z
LOCATION:220-221
DTSTART;TZID=America/Chicago:20211117T133000
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UID:submissions.supercomputing.org_SC21_sess147_pap177@linklings.com
SUMMARY:Pilgrim: Scalable and (Near) Lossless MPI Tracing
DESCRIPTION:Paper\n\nPilgrim: Scalable and (Near) Lossless MPI Tracing\n\n
 Wang, Balaji, Snir\n\nTraces of MPI communications are used by many perfor
 mance analysis and visualization tools. Storing exhaustive traces of large
  scale MPI applications is infeasible, due to their large volume.  Aggrega
 ted or lossy MPI traces are smaller, but provide much less information. In
  this paper, we present Pilgrim, a near lossless MPI tracing tool that inc
 urs moderate overheads and generates small trace files at large scales, by
  using sophisticated compression techniques. Furthermore, for codes with r
 egular communication patterns, Pilgrim can store their traces in constant 
 space regardless of the problem size, the number of processors and the num
 ber of iterations. In comparison with existing tools, Pilgrim preserves mo
 re information with less space in all programs we tested.\n\nTag: Performa
 nce\n\nRegistration Category: Tech Program Reg Pass
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