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DTSTART:19700308T020000
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DTSTAMP:20230831T095745Z
LOCATION:Flüela
DTSTART;TZID=Europe/Stockholm:20230626T143000
DTEND;TZID=Europe/Stockholm:20230626T150000
UID:submissions.pasc-conference.org_PASC23_sess141_msa193@linklings.com
SUMMARY:Parallel Programming in Fortran 2018 and Beyond
DESCRIPTION:Minisymposium\n\nDamian Rouson (Lawrence Berkeley National Lab
 oratory, Archaeologic Inc.)\n\nThrough an international standard supported
  by multiple compilers, Fortran 2018 offers a portable path to high-perfor
 ming parallel execution at scale. This talk will present an overview of th
 e parallel features of Fortran 2018 and a preview of the new features comi
 ng in Fortran 2023. The Fortran 2018 features include concurrent loops, co
 array distributed data structures, error termination, synchronization stat
 ements, collective subroutines, hierarchical process sets (teams), process
  failure detection, locks, critical sections, atomics and encapsulated ato
 mics. The new Fortran 2023 features include concurrent reductions and comb
 ined remote data transfers with atomic notification. The talk will also sh
 ow examples of application and mini-application speedup relative to codes 
 that directly use the Message Passing Interface (MPI) codes. The talk will
  also demonstrate the portability benefits of programming-model-agnostic, 
 language-level parallelism. Lastly, the talk will describe the potential f
 or automatic GPU offloading using standard language features with current 
 compilers.\n\nDomain: Computer Science, Machine Learning, and Applied Math
 ematics 
\n\nSession Chair: Anshu Dubey (Argonne National Laboratory, Univ
 ersity of Chicago)
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