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Manycore Parallelism through OpenMP

High-Performance Scientific Computing with Xeon Phi
  • James Barker
  • Josh Bowden
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8122)

Abstract

Intel’s Xeon Phi coprocessor presents a manycore architecture that is superficially similar to a standard multicore SMP. Xeon Phi can be programmed using the OpenMP standard for shared-memory parallelism. We investigate the performance and optimisation of two real-world scientific codes, parallelised with OpenMP and accelerated on Xeon Phi, and compare with a conventional CPU architecture. We conclude that Xeon Phi offers the potential of significant speedup compared to conventional CPU architectures, much of which is attainable through the use of OpenMP.

Keywords

Main Loop Absorb Boundary Condition Tile Size Manual Vectorisation SIMD Instruction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • James Barker
    • 1
  • Josh Bowden
    • 2
  1. 1.Application SupportCSIRO Advanced Scientific Computing (IM&T)Australia
  2. 2.Novel TechnologiesCSIRO Advanced Scientific Computing (IM&T)Australia

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