= B =
bit twiddling n.
[very common] 1. (pejorative) An
exercise in tuning (see tune) in which incredible amounts of
time and effort go to produce little noticeable improvement, often
with the result that the code becomes incomprehensible. 2. Aimless
small modification to a program, esp. for some pointless goal.
3. Approx. syn. for bit bashing; esp. used for the act of
frobbing the device control register of a peripheral in an attempt
to get it back to a known state.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.