术语 | locality |
释义 | locality 局域性 A term used with respect to virtual storage systems to indicate the amount of main storage a program requires during processing as a percentage (at least notional) of its total address space. A program is said to have “good locality” if it can execute with a small average amount of main storage and if it avoids short-duration large requirements. 虚拟存储系统中使用的一种术语,表示一个程序在执行期间所需要的主存空间占该程序的整 个地址空间的百分比数(至少是理论值)。说一个程序具有“良好的局域性”,是指它在运行 时平均来讲只需要较小的主存空间,并且也不发生短时间的大主存空间的要求。 |
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