The local variable space is used as a general storage area for the function, and the register save area is used to save the values of non-volatile registers that the function USES.
本地变量空间用作该函数的通用存储空间，寄存器保存区用于保存函数所使用的非可变寄存器的值。
2
If the user is looking for storagespace for some non-sensitive data, then the basic online storage is an ideal one.
如果用户寻找储存空间，为一些非敏感的数据，那么，基本的线上存储是一个理想。
3
To save storagespace, storing only the coefficients of polynomials in non-0 entry.