Because of the nature of memory systems and instruction-set designs, the best generic routine to copy memory is rarely as fast as code written to copy a particular length.

由于内存系统和指令集设计的特性，用于复制内存的最佳通用例程的执行速度通常比用于复制特定长度的代码慢。

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Because of the nature of memory systems and instruction-set designs, the best generic routine to copy memory is rarely as fast as code written to copy a particular length.

由于内存系统和指令集设计的特性，用于复制内存的最佳通用例程的执行速度通常比用于复制特定长度的代码慢。

youdao