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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Even then, it still includes the database protocol overhead and memory copy from the server space to the application space.

即便如此，它仍然包括数据库协议开销，以及从服务器空间到应用程序空间的内存复制。

youdao

Consider an elementary implementation of memory copy.

请考虑内存拷贝的基本实现。

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I want an actual copy in memory so that that string is in two different places.

我想要在内存中有一个拷贝，把字符串存储在,两个不同的地方。

哈佛公开课 - 计算机科学课程节选

X That's just the special symbol in C that says don't pass X, that is don't pass a copy of X. Rather figure out where x is in memory, where he is in that frame and provide swap the numeric address in RAM of that value so that swap can go do anything it wants at that address.

这在C中是一个特殊的符号，指明不传送，也不是传递X的拷贝，而是指出x在内存中哪个地方,它在那个框架中的哪个地方,提供给swap它的地址值,这样swap就可以使用那个地址中的数据。

哈佛公开课 - 计算机科学课程节选

Rohrer built the application and stored the only copy on a flash memory drive, which he showed to the GDC crowd.

FORBES: Game Design Challenge 2011: Bigger Than Jesus

Instead of a traditional key stored in the secure element's memory, every single copy of this chip carries a unique fingerprint within the physical structure of its transistors.

ENGADGET

Even better, the receiver's gigabyte of mass storage flash memory makes it simple to copy stored documents onto the PC or share them with a friend or colleague via good old sneakernet.

ENGADGET: Switched On: More options for getting from scribble to screen