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Torsten Hoefler:

 Developing high-performance software, from modeling to programming

(Presentation - presented in Nuremberg, Germany, Feb. 2018)
Invited opening presentation at the Multicore@Siemens conference


We advocate the usage of mathematical models and abstractions in practical high-performance computing. For this, we show a series of examples and use-cases where the abstractions introduced by performance models can lead to clearer pictures of the core problems and often provide non-obvious insights. We start with models of parallel algorithms leading to close-to-optimal practical implementations. We continue our tour with distributed-memory programming models that provide various abstractions to application developers. A short digression on how to measure parallel systems shows common pitfalls of practical performance modeling. Application performance models based on such accurate measurements support insight into the resource consumption and scalability of parallel programs on particular architectures. We close with a demonstration of how models can be used to optimize high-performance code in a structured approach.


download slides:


  author={Torsten Hoefler},
  title={{Developing high-performance software, from modeling to programming}},
  location={Nuremberg, Germany},

serving:© Torsten Hoefler