Record hardware effects such as cache misses.
记录硬件的作用，比如缓冲失效。
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This helps minimize page and cache misses during program execution.
这在程序执行期间帮助最小化页面和cache丢失。
When the page cache was moved into its own pool, the cache misses dropped about 50%.
当该页面缓存转移到其自己的池之后，缓存未命中降低了将近50%。
应用推荐
模块上移
模块下移
不移动