通过实验分析了各内存拷贝函数拷贝速度与拷贝内存量之间的对应关系。
An experiment is conducted to analyze the relations between the velocity of every memory copy function and the size of memory to be copied.
将这些值拷贝到传递给这个函数的行参数中。
Copy the values to the formal parameters passed to this function.
如果一个函数要频繁的使用全局变量,我们可以使用局部变量,作为全局变量的拷贝,这样就可以使用寄存器了。
If a function USES global variables heavily, it is beneficial to copy those global variables into local variables so that they can be assigned to registers.
应用推荐