Slides available here!

Speaker:

Rainer Leupers, RWTH Aachen University, Germany

Title:

Fast and accurate MPSoC power estimation

Abstract:

Power consumption must be taken into account already at high abstraction levels in an MPSoC design flow. However, only detailed low-level simulations or (if available) physical measurements provide high estimation accuracy. Unfortunately, low-level simulations are extremely time-consuming and cannot be iterated often. This creates a need for fast, yet accurate system-level (ESL) power estimation technologies. We present a novel calibration-based methodology for ESL power characterization of MPSoC components using dynamic state tracing in Virtual Platforms. In order to obtain a new ESL power model for a component, state traces are recorded during Virtual Platform based simulation of representative "training" workloads. These traces are afterwards correlated with highly accurate low-level (e.g. layout-level) power estimations or results of physical measurements. Experimental results indicate that this methodology consistently achieves good accuracy (5-15% error rates for real-life IP blocks like RISCs and DSPs) which is well suited for qualitative comparisons of early design alternatives. Compared to low-level estimations, however, ESL power estimation is orders of magnitude faster.

Bio:

Rainer Leupers received the M.Sc. (Dipl.-Inform.) and Ph.D. (Dr. rer. nat.) degrees in Computer Science with honors from the Technical University of Dortmund, Germany, in 1992 and 1997. In 2002, Dr. Leupers joined RWTH Aachen University as a professor for Software for Systems on Silicon. His research and teaching activities comprise software development tools, processor architectures, and system-level electronic design automation, with focus on application-specific multicore systems. He published numerous books and technical papers, and he served in committees of leading international conferences, including DAC, DATE, and ICCAD. He was a co-chair of the MPSoC Forum and SCOPES. Dr. Leupers received several scientific awards, including Best Paper Awards at DATE 2000, 2008 and DAC 2002, as well as multiple industry awards. He holds several patents on processor design automation technologies and has been a co-founder of LISATek (now with Synopsys), Silexica, and Secure Elements.



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