SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis



SCHEDULE: NOV 12-18, 2011

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Iso-energy-efficiency: An approach to scalable system power-performance optimization

SESSION: Doctoral Research Showcase (1 of 2)

EVENT TYPE: Doctoral Research Showcase

TIME: 1:45PM - 2:00PM

SESSION CHAIR: Volodymyr Kindratenko

Presenter(s):Shuaiwen Song

ROOM:TCC LL1

ABSTRACT:
Future large-scale high performance supercomputer systems require high energy efficiency to achieve exaflops computational power and beyond. Despite the need to understand energy efficiency in high-performance systems, there are few techniques to evaluate energy efficiency at scale. To solve the problem, we proposed a system-level Iso-energy-efficiency model to analyze, evaluate and predict energy-performance of data intensive parallel applications with various execution patterns running on large-scale power-aware clusters. Our analytical model can help users explore the effects of machine and application dependent characteristics on system energy efficiency and isolate efficient ways to scale system parameters to balance energy use and performance. Our results indicate that the model accurately predicts total system energy consumption within 5% error on average for parallel applications with various execution and communication patterns. We demonstrate effective use of the model for various application contexts and in scalability decision-making.

Chair/Presenter Details:

Volodymyr Kindratenko (Chair) - NCSA

Shuaiwen Song - Virginia Tech

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