The Working Set Model for Program Behavior

Peter J. Denning, 1968, Communications of the ACM

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程序行为的工作集模型

Peter J. Denning

麻省理工学院，剑桥，马萨诸塞州

现代计算机系统中缺少对资源分配的一般处理的最基本原因，可能是缺乏一个足够的程序行为模型。本文提出并发展了一种新模型，即“工作集模型”。与一个进程相关联的页面的工作集，被定义为其最近使用的页面集合，为分页内存的动态管理提供了至关重要的知识。我们说明“进程”和“工作集”是同一持续计算活动的表现形式；随后定义“处理器需求”和“内存需求”；并将资源分配表述为在需求与可用设备之间进行平衡的问题。

关键词和短语：一般操作系统概念，多处理，多道程序设计，操作系统，程序行为，程序模型，资源分配，调度，存储分配

CR 分类：4.30，4.32

  1. 引言

资源分配是一项棘手的工作。最近，人们对进程调度和主内存管理进行了大量讨论，然而技术的发展却沿着这两个方向独立推进。没有人会否认，需要一种统一的方法。本文将说明，建立一种统一的方法是可能的。从观察到每个正在运行的程序会同时对所有系统资源，特别是处理器和内存，提出需求开始，我们最终定义“系统需求”；资源分配问题将由在需求与可用资源之间进行平衡构成。

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Read off the page by a vision model reading the page images using olmOCR-2-7B-1025-FP8. Translated into 中文 by gpt-5, against glossary version 6. Translated from the English.