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The Open Community Runtime on the Intel Knights Landing Architecture

  • Jiri Dokulil
  • Siegfried Benkner
  • Jakub Yaghob
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10393)

Abstract

The Intel Xeon Phi Knights Landing manycore processor comes with new interesting features: on-chip high-bandwidth memory and several user-selectable NUMA configurations. In this paper, we look into how these affect applications that target the Open Community Runtime (OCR), an asynchronous tasked-based runtime system for future parallel architectures. We have extended our OCR runtime to make it NUMA aware and to allow it to use the high-bandwidth memory. We have conducted a range of experiments, comparing OpenMP, TBB, our OCR implementation, and the reference OCR implementation on different machine configurations using a memory intensive seismic simulation.

Keywords

Open Community Runtime Knights Landing Intel Xeon Phi High-bandwidth memory Parallel runtime systems NUMA 

Notes

Acknowledgments

The work was supported in part by the Austrian Science Fund (FWF) project P 29783 Dynamic Runtime System for Future Parallel Architectures and by Charles University project PROGRES Q48.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Faculty of Computer ScienceUniversity of ViennaViennaAustria
  2. 2.Department of Software Engineering, Charles UniversityPragueCzech Republic

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