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DTSTART;TZID=America/Denver:20231113T090100
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UID:submissions.supercomputing.org_SC23_sess449_misc137@linklings.com
SUMMARY:Introduction to The 6th Annual Parallel Applications Workshop, Alt
 ernatives to MPI+X
DESCRIPTION:Karla V. Morris Wright (Sandia National Laboratories)\n\nAs su
 percomputers become more and more powerful, the number and diversity of ap
 plications that can be tackled with these machines grows. Unfortunately, t
 he architectural complexity of these supercomputers grows as well, with he
 terogeneous processors, multiple levels of memory hierarchy, and many ways
  to move data and synchronize between processors. The MPI+X programming mo
 del, use of which is considered by many to be standard practice, demands t
 hat a programmer be expert in both the application domain and the low-leve
 l details of the architecture(s) on which that application will be deploye
 d, and the availability of such superhuman programmers is a critical bottl
 eneck. Things become more complicated when evolution and change in the und
 erlying architecture translates into significant re-engineering of the MPI
 +X code to maintain performance.\n\nNumerous alternatives to the MPI+X mod
 el exist, and by raising the level of abstraction on the application domai
 n and/or the target architecture, they offer the ability for “mere mortal”
  programmers to take advantage of the supercomputing resources that are av
 ailable to advance science and tackle urgent real-world problems. However,
  compared to the MPI+X approach, these alternatives generally lack two thi
 ngs. First, they aren’t as well known as MPI+X and a domain scientist may 
 simply not be aware of models that are a good fit to their domain. Second,
  they are less mature than MPI+X and likely have more functionality or per
 formance “potholes” that need only be identified to be addressed.\n\nPAW-A
 TM is a forum for discussing HPC applications written in alternatives to M
 PI+X. Its goal is to bring together application experts and proponents of 
 high-level languages to present concrete example uses of such alternatives
 , describing their benefits and challenges.\n\nTag: Accelerators, Artifici
 al Intelligence/Machine Learning, Algorithms, Applications, Architecture a
 nd Networks, Distributed Computing, Compilers, Data Analysis, Visualizatio
 n, and Storage, Exascale, Heterogeneous Computing, Linear Algebra, Message
  Passing, Performance Optimization, Programming Frameworks and System Soft
 ware, Quantum Computing, Runtime Systems, Software Engineering, Sustainabi
 lity, Task Parallelism, Tensors\n\nRegistration Category: Workshop Reg Pas
 s\n\nSession Chairs: Engin Kayraklioglu (Hewlett Packard Enterprise (HPE))
 , Daniele Lezzi (Barcelona Supercomputing Center (BSC)), Bill Long (Retire
 d), Karla Vanessa Morris Wright (Sandia National Laboratories), Irene Moul
 itsas (Cranfield University), and Elliott Slaughter (SLAC National Acceler
 ator Laboratory)\n\n
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