Yan Meng Timothy Sherwood Ryan Kastner On the Limits of Leakage Power Reduction in Caches. 154-165 2005 conf/hpca/2005 HPCA http://doi.ieeecomputersociety.org/10.1109/HPCA.2005.23 db/conf/hpca/hpca2005.html#MengSK05