Efficient Implementation of the Smalltalk-80 System

L. Peter Deutsch, Allan M. Schiffman, 1984, POPL

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Allan M. Schiffman Fairchild Laboratory for Artificial Intelligence Research

摘要

Smalltalk-80*编程语言包括动态存储分配、完全向上的 funargs 和通用多态过程；Smalltalk-80程序系统具有交互式执行、增量编译以及实现可移植性。这些现代程序系统的特性即使单独来看，也是最难以高效实现的特性之一。一个新的Smalltalk-80系统实现运行在基于小型微处理器的计算机上，在保持与现有实现完全（对象代码）兼容的同时，达到了高性能。本文讨论了项目过程中开发出的最重要的优化技术，其中许多技术适用于其他语言。其核心思想是以多种形式表示某些运行时状态（包括代码和数据），并在需要时在这些形式之间进行转换。

*Smalltalk-80是Xerox Corporation的商标。

References

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