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DTSTAMP:20211207T055402Z
LOCATION:Online
DTSTART;TZID=America/Chicago:20211115T140000
DTEND;TZID=America/Chicago:20211115T142500
UID:submissions.supercomputing.org_SC21_sess342_ws_worksp103@linklings.com
SUMMARY:Dynamic Heterogeneous Task Specification and Execution for In Situ
  Workflows
DESCRIPTION:Workshop\n\nDynamic Heterogeneous Task Specification and Execu
 tion for In Situ Workflows\n\nYildiz, Morozov, Nicolae, Peterka\n\nToday’s
  science campaigns consist of multiple tasks with wide-ranging data and co
 mputing requirements, and rarely are all the required capabilities found i
 n current in situ workflow systems. In this work, we explore providing inc
 reased capabilities for scientific computing by bringing new capabilities 
 to in situ workflows: a flexible interface for workflow specification, het
 erogeneous task placement, and dynamic changes to the workflow task graph.
  We evaluate our approach using materials science and cosmology use cases.
  Our results show that our approach (i) can save time and resources in sci
 ence workflows exhibiting dynamic patterns by enabling dynamic workflow ch
 anges during their lifetime; (ii) enables easier specification of large-sc
 ale workflows consisting of subgraphs and ensemble computations; (iii) eff
 iciently coordinates heterogeneous tasks by enabling free intermixing of t
 ime and space partitioning, thus resulting in time and space savings.\n\nT
 ag: Online Only, Cloud and Distributed Computing, Scientific Computing, Wo
 rkflows\n\nRegistration Category: Workshop Reg Pass
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