The results will be identical, but the first code segment will run faster than others.
他们的运算结果是相同的,但是第一个代码片断要比其他片断运行的要快。
These engines perform optimizations to run code faster, and clearly, these optimizations make variable access much faster than others.
这些引擎在执行代码时进行了优化,而且很明显,这些优化使访问变量的速度比以往更快。
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