1. C++ extended scientific computing library. http://www.xsc.de (2013)
2. Intel Threading Building Blocks. http://www.threadingbuildingblocks.org (2013)
3. OpenBLAS library. http://xianyi.github.com/OpenBLAS/ (2013)
4. Difficult benchmark problems. http://www-sop.inria.fr/coprin/logiciels/ALIAS/Benches/node6.html (2014)
5. GNU linear programming kit. http://www.gnu.org/software/glpk/ (2014)