Stijn Eyerman Lieven Eeckhout Tejas Karkhanis James E. Smith A mechanistic performance model for superscalar out-of-order processors. 2009 27 ACM Trans. Comput. Syst. 2 http://doi.acm.org/10.1145/1534909.1534910 db/journals/tocs/tocs27.html#EyermanEKS09