https://www.math.uni-bielefeld.de/documenta/vol-ismp/25_bixby-robert.pdf https://www.math.uni-bielefeld.de/documenta/vol-ismp/25_bixb... The story narrated by

https://www.math.uni-bielefeld.de/documenta/vol-ismp/25_bixby-robert.pdf https://www.math.uni-bielefeld.de/documenta/vol-ismp/25_bixb... The story narrated by Bixby, the cofounder of CPLEX and Gurobi the two best available commercial mathematical optimization solvers. The magic happened in CPLEX V6.5 back in 1999 with almost 10x y—o-y performance improvement.