Engineering for Performance in High Performance Computing; Bill Gropp (University of Illinois)

Presentation given at the PASC14 conference, June 2-3, 2014 www.pasc14.org Engineering for Performance in High Performance Computing; Bill Gropp, Director of the Parallel Computing Institute, University of Illinois Urbana-Champaign, USA Achieving good performance on any system requires balancing many competing factors. More than just minimizing communication (or floating point or memory motion), for high end systems the goal is to achieve the lowest cost solution. And while cost is typically considered in terms of time to solution, other metrics, including total energy consumed, are likely to be important in the future. Making effective use of the next generations of extreme scale systems requires rethinking the algorithms, the programming models, and the development process. This talk will discuss these challenges and argue that performance modeling, combined with a more dynamic and adaptive style of programming, will be necessary for extreme scale systems.