Complex sentence: When implemented inside a microprocessor, an FMA can actually be faster than a multiply operation followed by an add, even though standard industrial implementations based on the original IBM RS/6000 design require a 2 "N"-bit adder to compute the sum properly.
Split into simpler sentences: When implemented inside a microprocessor, an FMA can actually be faster than a multiply operation followed by an add. However, standard industrial implementations based on the original IBM RS/6000 design require a 2 "N"-bit adder to compute the sum properly.