Integrated Circuit and System Design. Power and Timing Modeling, Optimization, and Simulation 21st International Workshop, PATMOS 2011, Madrid, Spain, September 26-29, 2011. Proceedings - Ayala, José L.; García-Cámara, Braulio; Prieto, Manuel; Ruggiero, Martino; Sicard, Gilles (Springer Berlin Heidelberg : Imprint: Springer, 2011)