Jorgen Peddersen Sri Parameswaran CLIPPER: Counter-based Low Impact Processor Power Estimation at Run-time. 890-895 2007 conf/aspdac/2007 ASP-DAC http://doi.ieeecomputersociety.org/10.1109/ASPDAC.2007.358102 db/conf/aspdac/aspdac2007.html#PeddersenP07