Ittetsu Taniguchi Murali Jayapala Praveen Raghavan Francky Catthoor Keishi Sakanushi Yoshinori Takeuchi Masaharu Imai Systematic architecture exploration based on optimistic cycle estimation for low energy embedded processors. 449-454 2009 ASP-DAC http://doi.acm.org/10.1145/1509633.1509742 conf/aspdac/2009 db/conf/aspdac/aspdac2009.html#TaniguchiJRCSTI09