The outer loop decrements a loopcounter variable each time through the loop.
每循环一次,外部循环都使循环计数器变量递减一次。
2
More importantly, -O3 also avoids keeping the loopcounter in memory, even with the original source.
更重要的是, -O3 也避免了在内存中保留循环计数器,即使使用原始源。
3
Normally, variables are best named by their use (like firstName or title), but as this variable is essentially a loopcounter, using single letters is also fine.