BogoMips (from "bogus" and MIPS) is an unscientific measurement of CPU
speed made by the Linux kernel when it boots, to calibrate an internal
busy-loop. An often-quoted definition of the term is "the number of
million times per second a processor can do absolutely nothing."
For further information, see the BogoMips FAQ at
http://tldp.org/HOWTO/BogoMips/