If a program reads a single byte in memory, the processor loads the whole cache line that contains that byte into the L2 and L1 caches.

如果一个程序在存储中读到一个单独的字节，处理器就会释放包含字节的所有的缓存线到L2和L1缓存中。

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Purify keeps track of the status of every byte of memory used by your program and uses four colors to represent the status: red, yellow, green, and blue.

Purify 能够跟踪您程序中内存使用的每个字节的状态情况，并用四种颜色来代表不同的状态：红色，黄色，绿色和蓝色。

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Almost any interesting Basic program was full of low-level hacks, where one had to poke memory byte 714 to change the screen background color to yellow.

几乎所有好玩的Basic程序都遍布着神奇的底层操作，比如说，如果要把屏幕背景色变成黄色的话，就需要修改内存的第714字节。

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