Partitioning Ada programs for distributed platforms

Proceedings of Third Workshop on Parallel and Distributed Real-Time Systems Pub Date : 1995-04-25 DOI:10.1109/WPDRTS.1995.470509

B. Ravindran

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引用次数: 1

Abstract

Few work has been done in the past which has dealt with programming for loosely coupled distributed systems. However, distributed execution is becoming increasingly important for real time systems, since most of them are implemented with distributed processors. Programming multiprocessors through a single program approach offers many advantages from a software engineering point of view like, abstract data types, separate compilation etc. However, few systems currently exist which allow programmers to develop software for distributed platforms through a single program, in a transparent fashion. In this context, Ada assumes great importance as, the Ada Language Reference Manual indicates that distributed execution was one of the goals of the designers. One of the most important attempts towards a distributed Ada system has been that of D. Cornhill (1984), in defining an Ada Program Partitioning Language (APPL). This system facilitates a distributed execution of Ada programs among a set of processors with a wide range of granularity. However in specific the distributable units of an Ada program using the constructs of APPL in an automatic fashion no attempt has been done in the past. Our goal has been towards developing a Ada Program Partitioning Tool to generate a distribution specification in a completely automated manner. A high level design of the tool is shown. We describe the techniques developed and the results obtained in subsequent sections.<>

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为分布式平台划分Ada程序

过去很少有人研究松耦合分布式系统的编程问题。然而，分布式执行对于实时系统变得越来越重要，因为大多数实时系统都是用分布式处理器实现的。从软件工程的角度来看，通过单一程序方法对多处理器进行编程提供了许多优点，如抽象数据类型、独立编译等。然而，目前很少有系统允许程序员通过单个程序以透明的方式为分布式平台开发软件。在这种情况下，Ada非常重要，因为Ada语言参考手册指出分布式执行是设计者的目标之一。对分布式Ada系统最重要的尝试之一是D. Cornhill(1984)，他定义了Ada程序分区语言(APPL)。该系统促进了Ada程序在一组具有广泛粒度的处理器之间的分布式执行。但是，在特定的Ada程序的可分发单元中，以自动方式使用APPL的构造，过去没有人尝试过这样做。我们的目标是开发一个Ada程序分区工具，以完全自动化的方式生成发行规范。给出了该工具的高级设计。我们将在随后的章节中描述所开发的技术和获得的结果

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of Third Workshop on Parallel and Distributed Real-Time Systems

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