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A High-Level Interface of Xevolver for Composing Loop Transformations

In: Sustained Simulation Performance 2015

Author

Listed:
  • Hiroyuki Takizawa

    (Tohoku University, Graduate School of Information Sciences)

  • Daichi Sato

    (Tohoku University, Graduate School of Information Sciences)

  • Shoichi Hirasawa

    (Tohoku University, Graduate School of Information Sciences)

  • Hiroaki Kobayashi

    (Tohoku University, Cyberscience Center)

Abstract

Xevolver is a code transformation framework under active development to help legacy application migration to extreme-scale computing systems. The framework originally assumes that transformation rules are written in XSLT, which might be too low-level for standard users to express their own rules. Hence, this article describes a high-level interface of the Xevolver framework, which offers an easy and declarative way to define a custom compiler directive associated with a composite of predefined loop transformation rules. Such a compiler directive can also be associated with text insertion and deletion. In the evaluation, 160 variants of a triple-nested loop required for empirical performance tuning can be generated mechanically by using the high-level interface.

Suggested Citation

  • Hiroyuki Takizawa & Daichi Sato & Shoichi Hirasawa & Hiroaki Kobayashi, 2015. "A High-Level Interface of Xevolver for Composing Loop Transformations," Springer Books, in: Michael M. Resch & Wolfgang Bez & Erich Focht & Hiroaki Kobayashi & Jiaxing Qi & Sabine Roller (ed.), Sustained Simulation Performance 2015, pages 137-145, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-20340-9_11
    DOI: 10.1007/978-3-319-20340-9_11
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