Although looking one line higher at the size of the engine in memory (118,812 KB), we aren't working with a lot of memory, Let's keep cache on the table.
虽然在第一行中，针对引擎的大小来对内存做了考虑(118,812KB)，但是，我们没有使用很多内存，我们为表保持缓存。
In particular, note that the array is padded out to 16 bytes; this is the size of a cache line, and the DMA engine likes to work in cache lines.
具体来说，请注意数组被补全为16字节；这是缓存线路的大小，dma引擎喜欢按照缓存线路大小进行操作。
You can control the maximum size of the cache by using the command line option in Listing 1, but note that this maximum size may be constrained by operating system restrictions on shared memory
可以使用清单1中的命令行选项控制缓存的最大大小，但是请注意，这个最大大小可能受到操作系统共享内存限制的约束
You can control the maximum size of the cache by using the command line option in Listing 1, but note that this maximum size may be constrained by operating system restrictions on shared memory
可以使用清单1中的命令行选项控制缓存的最大大小，但是请注意，这个最大大小可能受到操作系统共享内存限制的约束
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