NASA Technical Reports Server (NTRS) : Challenges pdf

NASA Technical Reports Server (NTRS) : Challenges

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Conclusions: a) Proper software abstractions should enable rapid-exploration of platform-specific optimizations/ tradeoffs. b) Pseudo-spectra! methods are marginally viable for at least some classes of petascaie problems. i.e., GPU based machine with good bisection would be best. c) Scalability at exascale is possible, but the necessary resolution will make algorithm prohibitively expensive. Efficient implementations of realistic global transposes are mtricate and tedious in MPI. PS at petascaie requires exploration of a variety of strategies for spreading local and remote communic3tions. PGAS allows far simpler implementation and thus rapid exploration of variants

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 9/26/2011
• Year: 2011
• Book Topics/Themes: NASA Technical Reports Server (NTRS), ALGORITHMS, OPTIMIZATION, SPECTRAL METHODS, SPHERES, TRADEOFFS, SPREADING, Clune, Thomas

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