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Published January 18, 2022 | Version v1
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Workflows Community Summit: Tightening the Integration between Computing Facilities and Scientific Workflows

  • 1. Oak Ridge National Laboratory
  • 2. University of Chicago
  • 3. University of Hawaii at Manoa
  • 4. Lawrence Livermore National Laboratory
  • 5. Brookhaven National Laboratory
  • 6. Argonne National Laboratory
  • 7. National Center for Supercomputing Applications
  • 8. National Renewable Energy Laboratory
  • 9. Lawrence Berkeley National Laboratory
  • 10. Pittsburgh Supercomputing Center


The importance of workflows is highlighted by the fact that they have underpinned some of the most significant discoveries of the past decades. Many of these workflows have significant computational, storage, and communication demands, and thus must execute on a range of large-scale computer systems, from local clusters to public clouds and upcoming exascale HPC platforms. Historically, infrastructures for workflow execution consisted of complex, integrated systems, developed in-house by workflow practitioners with strong dependencies on a range of legacy technologies. Due to the increasing need to support workflows, dedicated workflow systems were developed to provide abstractions for creating, executing, and adapting workflows conveniently and efficiently while ensuring portability.  While these efforts are all worthwhile individually, there are now hundreds of independent workflow systems. The resulting workflow system technology landscape is fragmented, which may present significant barriers for future workflow users due to many seemingly comparable, yet usually mutually incompatible, systems that exist. In order to tackle some of these challenges, the DOE-funded ExaWorks and NSF-funded WorkflowsRI projects have organized in 2021 a series of events entitled the "Workflows Community Summit". The third edition of the ``Workflows Community Summit" explored workflows challenges and opportunities from the perspective of computing centers and facilities. The third summit brought together a small group of facilities representatives with the aim to understand how workflows are currently being used at each facility, how facilities would like to interact with workflow developers and users, how workflows fit with facility roadmaps, and what opportunities there are for tighter integration between facilities and workflows. More information at:



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