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DTSTAMP:20250626T233531Z
LOCATION:B302-B305
DTSTART;TZID=America/New_York:20241121T100000
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UID:submissions.supercomputing.org_SC24_sess534_post187@linklings.com
SUMMARY:Parallelization of the Finite Element-Based Mesh Warping Algorithm
  Using Hybrid Parallel Programming
DESCRIPTION:Abir Haque (University of Kansas)\n\nWarping large volume mesh
 es is computationally expensive and has applications to biomechanics, aero
 dynamics, image processing, and cardiology. Existing parallel implementati
 ons of mesh warping algorithms do not take advantage of shared-memory and 
 one-sided communication features available in MPI-3. In this poster, we de
 scribe our parallelization of the finite element-based mesh warping algori
 thm for tetrahedral meshes. Our implementation takes advantage of shared m
 emory and one-sided communication and deforms a mesh by solving a linear s
 ystem with multiple right-hand sides based on the solution of a Poisson bo
 undary value problem. Our results demonstrate excellent efficiency and str
 ong scalability on up to 32 cores on a single node. Furthermore, we show a
  90% increase in speedup with 256 cores distributed uniformly across 64 no
 des versus our largest single node speedup while observing sublinear speed
 ups overall.\n\nRegistration Category: Tech Program Reg Pass, Exhibits Reg
  Pass\n\nSession Chairs: Ayesha Afzal (Friedrich-Alexander University, Erl
 angen-Nuremberg; Erlangen National High Performance Computing Center); Sal
 ly Ellingson (University of Kentucky); and Alan Sussman (University of Mar
 yland)\n\n
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