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Potential of LLVM for SX-Aurora

In: Sustained Simulation Performance 2018 and 2019

Author

Listed:
  • Simon Moll

    (Saarland University)

  • Matthias Kurtenacker

    (Saarland University)

  • Sebastian Hack

    (Saarland University)

Abstract

The NEC SX-Aurora TSUBASA is a high-performance vector CPU for sustained simulation performance. The existing compiler toolchain for the SX-Aurora is comprehensive but also proprietary restricting its use in research and confining its development to internal teams at NEC. In recent years, the open source LLVM compiler infrastructure has seen significant support and contributions by major players such as NVIDIA, AMD, ARM, Intel, Apple and Google. These employ LLVM in their official toolchains, GPU driver stacks and mission-critical infrastructure. Likewise, many compiler research labs have adopted LLVM for its accessibility, robustness and permissive license. Recently, the LLVM community has been discussing an extension for scalable vector architectures (LLVM-SVE), which feature an active vector length just as the SX-Aurora does. In this paper, we will discuss the potential of LLVM for the NEC SX-Aurora. The Compiler Design Lab at Saarland University is working with NEC on an LLVM-SVE backend for the SX-Aurora.

Suggested Citation

  • Simon Moll & Matthias Kurtenacker & Sebastian Hack, 2020. "Potential of LLVM for SX-Aurora," Springer Books, in: Michael M. Resch & Yevgeniya Kovalenko & Wolfgang Bez & Erich Focht & Hiroaki Kobayashi (ed.), Sustained Simulation Performance 2018 and 2019, pages 111-121, Springer.
    • Handle: RePEc:spr:sprchp:978-3-030-39181-2_10
    DOI: 10.1007/978-3-030-39181-2_10
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