- Addition is most commonly used arithmetic operation. It is often the speed-limiting element too
加法是最常用的算术运算。它通常也是速度限制的因素。
- Optimization of adder is very important
加法器的优化至关重要
- Optimization can be at logic or circuit level
可以在逻辑或者电路层面优化
- Logic level optimization tries to rearrange Boolean equations so that a faster and/or smaller circuit is achieved
逻辑级优化试图重新排列布尔方程，以实现更快和/或更小的电路
- Circuit optimization manipulates transistor sizes & circuit topology to optimize the speed
电路级优化通过调整晶体管尺寸和电路拓扑结构来优化速度
Adders