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DTSTAMP:20211207T054809Z
LOCATION:227-228
DTSTART;TZID=America/Chicago:20211117T163000
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UID:submissions.supercomputing.org_SC21_sess176_pap300@linklings.com
SUMMARY:Index Launches: Scalable, Flexible Representation of Parallel Task
  Groups
DESCRIPTION:Paper\n\nIndex Launches: Scalable, Flexible Representation of 
 Parallel Task Groups\n\nSoi, Bauer, Treichler, Papadakis, Lee...\n\nIt's c
 ommon to see specialized language constructs in modern task-based programm
 ing systems for reasoning about groups of independent tasks intended for p
 arallel execution. However, most systems use an ad-hoc representation that
  limits expressiveness and often overfits for a given application domain. 
 We introduce index launches, a scalable and flexible representation of a g
 roup of tasks. Index launches use a flexible mechanism to indicate the dat
 a required for a given task, allowing them to be used for a much broader s
 et of use cases while maintaining an efficient representation. We present 
 a hybrid design for index launches, involving static and dynamic program a
 nalyses, along with a characterization of how they're used in Legion and R
 egent, and show how they generalize constructs found in other task-based s
 ystems. Finally, we present results of scaling experiments which demonstra
 te that index launches are crucial for the efficient distributed execution
  of several scientific codes in Regent.\n\nTag: Reproducibility Badge, Sys
 tem Software and Runtime Systems\n\nRegistration Category: Tech Program Re
 g Pass\n\nReproducibility Badges: Artifact Available, Artifact Functional,
  Results Reproduced
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