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LOCATION:D171/173
DTSTART;TZID=America/Chicago:20181116T083000
DTEND;TZID=America/Chicago:20181116T120000
UID:submissions.supercomputing.org_SC18_sess145@linklings.com
SUMMARY:International Workshop on Performance, Portability, and Productivi
 ty in HPC (P3HPC)
DESCRIPTION:Evaluating the Impact of Proposed OpenMP 5.0 Features on Perfo
 rmance, Portability, and Productivity\n\nWe investigate how specialization
  mechanisms proposed for OpenMP 5.0 -- specifically, the metadirective and
  declare variant directives -- may be deployed in a real-life code, using 
 the miniMD benchmark from the Mantevo suite.\n\nAdditionally, we develop a
 n OpenMP 4.5 implementation of miniMD that achi...\n\n\nSimon J. Pennycook
 , Jason D. Sewall, and Jeff R. Hammond (Intel Corporation)\n--------------
 -------\nPerformance Portability Challenges for Fortran Applications\n\nTh
 is project investigates how different approaches to parallel optimization 
 impact the performance portability for Fortran codes. In addition, we expl
 ore the productivity challenges due to the software tool-chain limitations
  unique to Fortran. For this study, we build upon the Truchas software, a 
 me...\n\n\nAbigail Hsu (Stony Brook University, Los Alamos National Labora
 tory); David Howard Neill (Grinnell College, Los Alamos National Laborator
 y); Joseph Schoonover (Fluid Numerics LLC); and Zach Jibben, Neil Carlson,
  and Robert Robey (Los Alamos National Laboratory)\n---------------------\
 nHeterogeneous CPU-GPU Execution of Stencil Applications\n\nHeterogeneous 
 computer architectures are now ubiquitous in high performance computing; t
 he top 7 supercomputers are all built with CPUs and accelerators. Portabil
 ity across different CPUs and GPUs is becoming paramount, and heterogeneou
 s scheduling of computations is also of increasing interest to m...\n\n\nB
 alint Siklosi and Istvan Reguly (Pázmány Péter Catholic University, Hungar
 y) and Gihan Mudalige (University of Warwick)\n---------------------\nEffe
 ctive Performance Portability\n\nExascale computing brings with it diverse
  machine architectures and programming approaches which challenge applicat
 ion developers. Applications need to perform well on a wide range of archi
 tectures while simultaneously minimizing development and maintenance overh
 eads. In order to alleviate these cos...\n\n\nStephen Lien Harrell (Purdue
  University); Joy Kitson (University of Delaware); Robert Bird (Los Alamos
  National Laboratory); Simon John Pennycook, Jason Sewall, and Doug Jacobs
 en (Intel Corporation); David Neil Asanza (Grinnell College); Abigail Hsu 
 (Stony Brook University); Hector Carrillo Cabada (University of New Mexico
 ); Heesoo Kim (Brown University); and Robert Robey (Los Alamos National La
 boratory)\n---------------------\nDelivering Performance-Portable Stencil 
 Computations on CPUs and GPUs Using Bricks\n\nAchieving high performance o
 n stencil computations poses a number of challenges on modern architecture
 s. The optimization strategy varies significantly across architectures, ty
 pes of stencils, and types of applications. The standard approach to adapt
 ing stencil computations to different architecture...\n\n\nTuowen Zhao (Un
 iversity of Utah), Samuel Williams (Lawrence Berkeley National Laboratory)
 , Mary Hall (University of Utah), and Hans Johansen (Lawrence Berkeley Nat
 ional Laboratory)\n---------------------\nP3HPC Session 1 Panel Discussion
 \n\nModerated panel discussion\n\n\nDoug Doerfler (Lawrence Berkeley Natio
 nal Laboratory)\n---------------------\nIntroduction - International Works
 hop on Performance, Portability, and Productivity in HPC (P3HPC)\n\nThe ab
 ility for applications to achieve both portability and high performance ac
 ross computer architectures remains an open challenge.  It is often unreal
 istic or undesirable for developers to maintain separate implementations f
 or each target architecture, yet in many cases, achieving high performan..
 .\n\n\nDouglas Doerfler (Lawrence Berkeley National Laboratory), Robert Ne
 ely (Lawrence Livermore National Laboratory), John Pennycook (Intel Corpor
 ation), and Kathryn O'Brien (IBM)\n---------------------\nAn Empirical Roo
 fline Methodology for Quantitatively Assessing Performance Portability\n\n
 System and node architectures continue to diversify to better balance on-n
 ode computation, memory capacity, memory bandwidth, interconnect bandwidth
 , power, and cost for specific computational workloads. For many applicati
 ons developers, however, achieving performance portability (effectively ex
 ploi...\n\n\nCharlene Yang, Rahulkumar Gayatri, Thorsten Kurth, Protonu Ba
 su, and Zahra Ronaghi (Lawrence Berkeley National Laboratory); Adedoyin Ad
 etokunbo (Los Alamos National Laboratory); and Brian Friesen, Brandon Cook
 , Douglas Doerfler, Leonid Oliker, Jack Deslippe, and Samuel Williams (Law
 rence Berkeley National Laboratory)\n---------------------\nHigh-Performan
 ce Molecular Dynamics Simulation for Biological and Materials Sciences: Ch
 allenges of Performance Portability\n\nHighly-optimized parallel molecular
  dynamics programs have, in recent years, allowed researchers to achieve g
 round-breaking results in biological and materials sciences. This type of 
 performance has come at the expense of portability: a significant effort i
 s required for performance optimization on ...\n\n\nAda Sedova (Oak Ridge 
 National Laboratory); John D. Eblen (University of Tennessee); Reuben Budi
 ardja and Arnold Tharrington (Oak Ridge National Laboratory); and Jeremy C
 . Smith (Oak Ridge National Laboratory, University of Tennessee)\n--------
 -------------\nWorkshop Morning Break\n\nKathryn O'Brien (IBM)\n----------
 -----------\nPerformance Portability of an Unstructured Hydrodynamics Mini
 -Application\n\nIn this work we study the parallel performance portability
  of BookLeaf: a recent 2D unstructured hydrodynamics mini-application. The
  aim of BookLeaf is to provide a self-contained and representative testbed
  for exploration of the modern hydrodynamics application design-space.\n\n
 We present a previousl...\n\n\nTimothy R. Law (University of Warwick); Rob
 ert Kevis and Seimon Powell (Atomic Weapons Establishment (AWE), UK); Jame
 s Dickson (University of Warwick); Satheesh Maheswaran and J. A. Herdman (
 Atomic Weapons Establishment (AWE), UK); and Stephen A. Jarvis (University
  of Warwick)\n---------------------\nP3HPC Session 2 Panel Discussion\n\nJ
 ohn Pennycook (Intel Corporation)\n---------------------\nP3HPC Community 
 Discussion and Next Steps\n\nRob Neely (Lawrence Livermore National Labora
 tory)\n\nTag: Heterogeneous Systems, Performance\n\nRegistration Category:
  Workshop Reg Pass\n\nSession Chair: Rob Neely (Lawrence Livermore Nationa
 l Laboratory)
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