[1] http://sbel.wisc.edu/Courses/ME964/Literature/knuthProgrammi...
[2] http://blog.cr.yp.to/20150314-optimizing.html
[1] http://sbel.wisc.edu/Courses/ME964/Literature/knuthProgrammi...
[2] http://blog.cr.yp.to/20150314-optimizing.html