Kirk Kelsey Tongxin Bai Chen Ding Chengliang Zhang Fast Track: A Software System for Speculative Program Optimization. 157-168 2009 CGO http://doi.ieeecomputersociety.org/10.1109/CGO.2009.18 conf/cgo/2009 db/conf/cgo/cgo2009.html#KelseyBDZ09