Speaking of statistics, FreeBSD comes with a tool called "ministat", which accepts a bunch of input files filled with numbers and tells you how statistically si

Speaking of statistics, FreeBSD comes with a tool called "ministat", which accepts a bunch of input files filled with numbers and tells you how statistically significant the difference is between them. It's frequently used to demonstrate performance improvements in kernel code: http://www.freebsd.org/cgi/man.cgi?query=ministat&apropos=0&sektion=0&manpath=FreeBSD+8-current&format=html http://www.freebsd.org/cgi/man.cgi?query=ministat&apropo...