Partial read usually is equal to cache line size in cache manager.

部分读取通常等于高速缓存管理器线尺寸。

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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。

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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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