gigaflopyoudaoicibaDictYouDict
"A unit of computing speed equal to one thousand million floating-point operations per second", 1970s: back-formation from gigaflops (see giga-, -flop).
-flopyoudaoicibaDictYouDict
"Floating-point operations per second (used as a measure of computing power)", Acronym; originally spelled -flops (s = second) but shortened to avoid misinterpretation as plural.