OOKAMI Hackathon

Topic outline

• General info

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  This is the material (slides, example code) for the NHR@FAU hackathon organized for OOKAMI users.

  Links:

  • LIKWID: https://github.com/RRZE-HPC/likwid
  • OSACA: https://github.com/RRZE-HPC/OSACA
  • GitHub Repo with Hands-On code: https://github.com/RRZE-HPC/A64FX_SpMV_hands-on
    

• Introduction
  • 

    Introduction & Agenda File

• LIKWID tools, part 1
  • 

    likwid-topology and likwid-pin File

• Sparse matrix-vector multiplication (SpMV), part 1
  • 

    Sparse matrix-vector multiplication (SpMV) theory File
  • 

    Hands-on: likwid-pin, likwid-topology, CRS SpMV code File

• The Open-Source Architecture Code Analyzer (OSACA)
  • 

    OSACA tutorial for A64FX File
  • 

    Compiler Explorer SpMV example - C code URL
  • 

    Compiler Explorer SpMV example - Assembly code URL

• Sparse matrix-vector multiplication (SpMV), part 2
  • 

    The SELL-C-sigma matrix format File

• LIKWID tools, part 2
  • 

    LIKWID perfctr for A64FX File

• Hands-on, part 2
  • 

    Hands-on: likwid-perfctr, SELL-C-sigma File

• Sparse matrix-vector multiplication (SpMV), part 3
  • 

    Some advanced SpMV optimizations File